./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4768d9-dc81-40a3-b4c7-5b1466a0c395/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4768d9-dc81-40a3-b4c7-5b1466a0c395/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4768d9-dc81-40a3-b4c7-5b1466a0c395/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4768d9-dc81-40a3-b4c7-5b1466a0c395/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4768d9-dc81-40a3-b4c7-5b1466a0c395/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4768d9-dc81-40a3-b4c7-5b1466a0c395/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 35aee247a9d57b19731affe394846ba9ce20d46b03fd5dbce1e446f98386181b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:24:41,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:24:41,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:24:41,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:24:41,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:24:41,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:24:41,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:24:41,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:24:41,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:24:41,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:24:41,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:24:41,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:24:41,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:24:41,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:24:41,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:24:41,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:24:41,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:24:41,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:24:41,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:24:41,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:24:41,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:24:41,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:24:41,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:24:41,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:24:41,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:24:41,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:24:41,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:24:41,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:24:41,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:24:41,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:24:41,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:24:41,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:24:41,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:24:41,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:24:41,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:24:41,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:24:41,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:24:41,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:24:41,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:24:41,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:24:41,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:24:41,316 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4768d9-dc81-40a3-b4c7-5b1466a0c395/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:24:41,340 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:24:41,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:24:41,341 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:24:41,341 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:24:41,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:24:41,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:24:41,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:24:41,342 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:24:41,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:24:41,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:24:41,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:24:41,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:24:41,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:24:41,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:24:41,344 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:24:41,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:24:41,345 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:24:41,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:24:41,345 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:24:41,345 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:24:41,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:24:41,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:24:41,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:24:41,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:24:41,347 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:24:41,347 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:24:41,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:24:41,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:24:41,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4768d9-dc81-40a3-b4c7-5b1466a0c395/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4768d9-dc81-40a3-b4c7-5b1466a0c395/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35aee247a9d57b19731affe394846ba9ce20d46b03fd5dbce1e446f98386181b [2021-11-22 23:24:41,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:24:41,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:24:41,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:24:41,607 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:24:41,608 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:24:41,611 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4768d9-dc81-40a3-b4c7-5b1466a0c395/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound1.c [2021-11-22 23:24:41,683 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4768d9-dc81-40a3-b4c7-5b1466a0c395/bin/ukojak-LBtLqBUTdQ/data/e249ff11d/ddad8877f04245ca96e8d31d1daeb7e6/FLAGe6013c348 [2021-11-22 23:24:42,246 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:24:42,248 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4768d9-dc81-40a3-b4c7-5b1466a0c395/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound1.c [2021-11-22 23:24:42,259 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4768d9-dc81-40a3-b4c7-5b1466a0c395/bin/ukojak-LBtLqBUTdQ/data/e249ff11d/ddad8877f04245ca96e8d31d1daeb7e6/FLAGe6013c348 [2021-11-22 23:24:42,702 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4768d9-dc81-40a3-b4c7-5b1466a0c395/bin/ukojak-LBtLqBUTdQ/data/e249ff11d/ddad8877f04245ca96e8d31d1daeb7e6 [2021-11-22 23:24:42,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:24:42,706 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:24:42,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:24:42,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:24:42,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:24:42,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:24:42" (1/1) ... [2021-11-22 23:24:42,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@684f89b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:42, skipping insertion in model container [2021-11-22 23:24:42,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:24:42" (1/1) ... [2021-11-22 23:24:42,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:24:42,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:24:42,902 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4768d9-dc81-40a3-b4c7-5b1466a0c395/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound1.c[576,589] [2021-11-22 23:24:42,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:24:42,926 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:24:42,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4768d9-dc81-40a3-b4c7-5b1466a0c395/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound1.c[576,589] [2021-11-22 23:24:42,946 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:24:42,958 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:24:42,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:42 WrapperNode [2021-11-22 23:24:42,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:24:42,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:24:42,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:24:42,961 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:24:42,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:42" (1/1) ... [2021-11-22 23:24:42,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:42" (1/1) ... [2021-11-22 23:24:42,994 INFO L137 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2021-11-22 23:24:42,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:24:42,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:24:42,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:24:42,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:24:43,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:42" (1/1) ... [2021-11-22 23:24:43,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:42" (1/1) ... [2021-11-22 23:24:43,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:42" (1/1) ... [2021-11-22 23:24:43,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:42" (1/1) ... [2021-11-22 23:24:43,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:42" (1/1) ... [2021-11-22 23:24:43,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:42" (1/1) ... [2021-11-22 23:24:43,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:42" (1/1) ... [2021-11-22 23:24:43,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:24:43,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:24:43,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:24:43,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:24:43,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:42" (1/1) ... [2021-11-22 23:24:43,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:24:43,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4768d9-dc81-40a3-b4c7-5b1466a0c395/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:24:43,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4768d9-dc81-40a3-b4c7-5b1466a0c395/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:24:43,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4768d9-dc81-40a3-b4c7-5b1466a0c395/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:24:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:24:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-22 23:24:43,093 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-22 23:24:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:24:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:24:43,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:24:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-22 23:24:43,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-22 23:24:43,153 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:24:43,154 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:24:43,284 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:24:43,305 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:24:43,306 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 23:24:43,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:24:43 BoogieIcfgContainer [2021-11-22 23:24:43,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:24:43,309 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:24:43,309 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:24:43,319 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:24:43,339 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:24:43" (1/1) ... [2021-11-22 23:24:43,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:24:43,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:43,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2021-11-22 23:24:43,461 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2021-11-22 23:24:43,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:43,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:43,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:43,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:43,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:43,947 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:44,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:44,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:44,136 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:44,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:44,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:44,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:44,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:44,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:44,269 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:44,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:44,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:44,285 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:44,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:44,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:44,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:44,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:44,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:44,403 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:44,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:44,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:44,415 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:44,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:44,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:44,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:44,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:44,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:44,527 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:44,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:44,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:44,537 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:44,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:44,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:44,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:44,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:44,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:44,642 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:44,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:44,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:44,652 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:44,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:44,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:44,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:44,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:44,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:44,783 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:44,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:44,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:44,796 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:44,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:44,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:44,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:44,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:44,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:44,928 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:44,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:44,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:44,943 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:44,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:44,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:44,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:44,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:44,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:45,082 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:45,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:45,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:45,102 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:45,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:45,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:45,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:45,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:45,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:45,212 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:45,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:45,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:45,223 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:45,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:45,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:45,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:45,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:45,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:45,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:45,328 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:45,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:45,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:45,340 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:45,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:45,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:45,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:45,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:45,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:45,440 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:45,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:45,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:45,455 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:45,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:45,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:45,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:45,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:45,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:45,565 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:45,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:45,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:45,572 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:45,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:45,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:45,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:45,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:45,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:45,692 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:45,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:45,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:45,701 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:45,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:45,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:45,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:45,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:45,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:45,820 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:45,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:45,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:45,828 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:45,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:45,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:45,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:45,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:45,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:45,922 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:45,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:45,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:45,935 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:45,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:45,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:45,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:45,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:45,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:46,050 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:46,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:46,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:46,065 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:46,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:46,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:46,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:46,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:46,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:46,155 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:46,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:46,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:46,161 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:46,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:46,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:46,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:46,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:46,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:46,238 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:46,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:46,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:46,249 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:46,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:46,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:46,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:46,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:46,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:46,322 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:46,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:46,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:46,329 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:46,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:46,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:46,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:46,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:46,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:46,405 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:46,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:46,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:46,412 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:46,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:46,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:46,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:46,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:46,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:46,486 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:46,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:46,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:46,493 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:46,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:46,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:46,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:46,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:46,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:46,581 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:46,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:46,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:46,587 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:46,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:46,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:46,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:46,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:46,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:46,669 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:46,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:46,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:46,675 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:46,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:46,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:46,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:46,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:46,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:46,760 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:46,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:46,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:46,767 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:46,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:46,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:46,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:46,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:46,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:46,838 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:46,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:46,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:46,844 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:46,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:46,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:46,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:46,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:46,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:46,933 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:46,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:46,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:46,940 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:46,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:46,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:46,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:46,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:46,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:47,018 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:47,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:47,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:47,024 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:47,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:47,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:47,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:47,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:47,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:47,097 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:47,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:47,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:47,107 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:47,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:47,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:47,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:47,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:47,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:47,209 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:47,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:47,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:47,217 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:47,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:47,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:47,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:47,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:47,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:47,296 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:47,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:47,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:47,302 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:47,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:47,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:47,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:47,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:47,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:47,370 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:47,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:47,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:47,376 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:47,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:47,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:47,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:47,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:47,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:47,459 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:47,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:47,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:47,466 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:47,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:47,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:47,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:47,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:47,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:47,538 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:47,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:47,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:47,546 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:47,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:47,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:47,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:47,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:47,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:47,610 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:47,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:47,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:47,616 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:47,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:47,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:47,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:47,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:47,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:47,686 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:47,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:47,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:47,692 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:47,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:47,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:47,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:47,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:47,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:47,766 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:47,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:47,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:47,773 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:47,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:47,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:47,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:47,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:47,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:47,848 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:47,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:47,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:47,854 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:47,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:47,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:47,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:47,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:47,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:47,925 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:47,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:47,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:47,935 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:47,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:47,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:47,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:47,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:47,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:48,003 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:48,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:48,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:48,009 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:48,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:48,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:48,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:48,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:48,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:48,089 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:48,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:48,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:48,095 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:48,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:48,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:48,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:48,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:48,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:48,160 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:48,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:48,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:48,165 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:48,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:48,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:48,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:48,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:48,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:48,229 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:48,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:48,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:48,242 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:48,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:48,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:48,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:48,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:48,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:48,331 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:48,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:48,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:48,338 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:48,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:48,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:48,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:48,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:48,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:48,408 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:48,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:48,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:48,415 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:48,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:48,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:48,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:48,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:48,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:48,483 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:48,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:48,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:48,489 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:48,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:48,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:48,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:48,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:48,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:48,560 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:48,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:48,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:48,565 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:48,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:48,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:48,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:48,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:48,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:48,642 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:48,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:48,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:48,649 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:48,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:48,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:48,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:48,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:48,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:48,713 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:48,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:48,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:48,719 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:48,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:48,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:48,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:48,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:48,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:48,782 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:48,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:48,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:48,792 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:48,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:48,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:48,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:48,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:48,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:48,868 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:48,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:48,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:48,873 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:48,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:48,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:48,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:48,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:48,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:48,938 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:48,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:48,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:48,944 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:48,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:48,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:48,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:48,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:48,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:49,012 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:49,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:49,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:49,017 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:49,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:49,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:49,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:49,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:49,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:49,081 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:49,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:49,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:49,086 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:49,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:49,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:49,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:49,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:49,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:49,149 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:49,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:49,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:49,154 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:49,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:49,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:49,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:49,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:49,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:49,221 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:49,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:49,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:49,227 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:49,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:49,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:49,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:49,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:49,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:49,311 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:49,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:49,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:49,317 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:49,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:49,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:49,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:49,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:49,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:49,403 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:49,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:49,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:49,409 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:49,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:49,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:49,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:49,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:49,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:49,471 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:49,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:49,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:49,477 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:49,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:49,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:49,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:49,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:49,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:49,539 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:49,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:49,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:49,545 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:49,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:49,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:49,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:49,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:49,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:49,609 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:49,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:49,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:49,615 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:49,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:49,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:49,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:49,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:49,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:49,684 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:49,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:49,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:49,689 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:49,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:49,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:49,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:49,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:49,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:49,752 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:49,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:49,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:49,758 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:49,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:49,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:49,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:49,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:49,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:49,823 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:49,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:49,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:49,829 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:49,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:49,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:49,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:49,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:49,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:49,906 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:49,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:49,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:49,912 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:49,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:49,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:49,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:49,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:49,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:49,974 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:49,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:49,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:49,980 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:49,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:49,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:49,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:49,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:49,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:50,044 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:50,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:50,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:50,050 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:50,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:50,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:50,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:50,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:50,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:50,118 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:50,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:50,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:50,123 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:50,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:50,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:50,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:50,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:50,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:50,187 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:50,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:50,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:50,192 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:50,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:50,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:50,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:50,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:50,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:50,255 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:50,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:50,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:50,261 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:50,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:50,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:50,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:50,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:50,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:50,331 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:50,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:50,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:50,339 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:50,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:50,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:50,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:50,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:50,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:50,413 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:50,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:50,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:50,420 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:50,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:50,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:50,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:50,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:50,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:50,483 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:50,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:50,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:50,488 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:50,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:50,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:50,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:50,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:50,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:50,558 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:50,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:50,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:50,564 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:50,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:50,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:50,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:50,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:50,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:50,631 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:50,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:50,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:50,636 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:50,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:50,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:50,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:50,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:50,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:50,701 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:50,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:50,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:50,707 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:50,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:50,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:50,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:50,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:50,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:50,769 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:50,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:50,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:50,775 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:50,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:50,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:50,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:50,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:50,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:50,836 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:50,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:50,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:50,841 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:50,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:50,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:50,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:50,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:50,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:50,901 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:50,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:50,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:50,907 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:50,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:50,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:50,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:50,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:50,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:50,972 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:50,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:50,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:50,977 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:50,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:50,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:50,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:50,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:50,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:51,039 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:51,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:51,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:51,044 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:51,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:51,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:51,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:51,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:51,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:51,104 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:51,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:51,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:51,109 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:51,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:51,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:51,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:51,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:51,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:51,171 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:51,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:51,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:51,176 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:51,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:51,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:51,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:51,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:51,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:51,248 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:51,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:51,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:51,253 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:51,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:51,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:51,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:51,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:51,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:51,312 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:51,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:51,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:51,317 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:51,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:51,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:51,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:51,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:51,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:51,385 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:51,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:51,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:51,391 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:51,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:51,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:51,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:51,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:51,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:51,460 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:51,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:51,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:51,465 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:51,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:51,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:51,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:51,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:51,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:51,526 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:51,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:51,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:51,531 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:51,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:51,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:51,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:51,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:51,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:51,597 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:51,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:51,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:51,602 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:51,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:51,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:51,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:51,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:51,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:51,665 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:51,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:51,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:51,671 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:51,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:51,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:51,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:51,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:51,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:51,733 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:51,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:51,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:51,738 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:51,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:51,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:51,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:51,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:51,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:51,797 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:51,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:51,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:51,802 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:51,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:51,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:51,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:51,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:51,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:51,863 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:51,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:51,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:51,868 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:51,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:51,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:51,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:51,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:51,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:51,930 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:51,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:51,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:51,936 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:51,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:51,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:51,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:51,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:51,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:52,004 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:52,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:52,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:52,009 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:52,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:52,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:52,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:52,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:52,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:52,070 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:52,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:52,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:52,075 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:52,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:52,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:52,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:52,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:52,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:52,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:52,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:52,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:52,143 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:52,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:52,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:52,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:52,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:52,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:52,201 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:52,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:52,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:52,206 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:52,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:52,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:52,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:52,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:52,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:52,264 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:52,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:52,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:52,269 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:52,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:52,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:52,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:52,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:52,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:52,329 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:52,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:52,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:52,334 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:52,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:52,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:52,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:52,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:52,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:52,394 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:52,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:52,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:52,399 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:52,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:52,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:52,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:52,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:52,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:52,460 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:52,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:52,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:52,466 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:52,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:52,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:52,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:52,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:52,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:52,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:52,530 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:52,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:52,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:52,539 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:52,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:52,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:52,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:52,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:52,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:52,598 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:52,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:52,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:52,603 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:52,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:52,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:52,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:52,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:52,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:52,662 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:52,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:52,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:52,668 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:52,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:52,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:52,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:52,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:52,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:52,737 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:52,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:52,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:52,742 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:52,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:52,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:52,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:52,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:52,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:52,808 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:52,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:52,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:52,813 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:52,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:52,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:52,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:52,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:52,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:52,871 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:52,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:52,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:52,876 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:52,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:52,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:52,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:52,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:52,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:52,938 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:52,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:52,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:52,943 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:52,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:52,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:52,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:52,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:52,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:53,012 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:53,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:53,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:53,017 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:53,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:53,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:53,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:53,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:53,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:53,075 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:53,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:53,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:53,080 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:53,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:53,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:53,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:53,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:53,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:53,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:53,137 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:53,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:53,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:53,141 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:53,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:53,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:53,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:53,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:53,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:53,201 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:53,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:53,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:53,206 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:53,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:53,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:53,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:53,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:53,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:53,293 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:53,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:53,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:53,298 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:53,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:53,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:53,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:53,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:53,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:53,382 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:53,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:53,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:53,387 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:53,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:53,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:53,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:53,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:53,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:53,466 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:53,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:53,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:53,471 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:53,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:53,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:53,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:53,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:53,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:53,535 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:53,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:53,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:53,540 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:53,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:53,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:53,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:53,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:53,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:53,602 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:53,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:53,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:53,608 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:53,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:53,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:53,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:53,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:53,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:53,672 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:53,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:53,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:53,679 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:53,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:53,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:53,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:53,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:53,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:53,749 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:53,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:53,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:53,766 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:53,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:53,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:53,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:53,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:53,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:53,828 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:53,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:53,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:53,833 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:53,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:53,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:53,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:53,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:53,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:53,899 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:53,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:53,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:53,904 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:53,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:53,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:53,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:53,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:53,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:53,968 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:53,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:53,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:53,972 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:53,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:53,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:53,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:53,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:53,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:54,045 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:54,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:54,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:54,052 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:54,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:54,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:54,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:54,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:54,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:54,114 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:54,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:54,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:54,119 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:54,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:54,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:54,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:54,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:54,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:54,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:54,177 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:54,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:54,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:54,182 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:54,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:54,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:54,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:54,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:54,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:54,251 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:54,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:54,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:54,256 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:54,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:54,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:54,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:54,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:54,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:54,313 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:54,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:54,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:54,318 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:54,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:54,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:54,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:54,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:54,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:54,385 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:54,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:54,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:54,391 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:54,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:54,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:54,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:54,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:54,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:54,449 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:54,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:54,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:54,454 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:54,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:54,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:54,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:54,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:54,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:54,515 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:54,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:54,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:54,520 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:54,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:54,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:54,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:54,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:54,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:54,577 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:54,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:54,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:54,581 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:54,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:54,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:54,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:54,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:54,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:54,638 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:54,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:54,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:54,643 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:54,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:54,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:54,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:54,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:54,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:54,701 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:54,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:54,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:54,706 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:54,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:54,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:54,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:54,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:54,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:54,763 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:54,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:54,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:54,769 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:54,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:54,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:54,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:54,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:54,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:54,838 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:54,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:54,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:54,843 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:54,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:54,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:54,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:54,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:54,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:54,905 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:54,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:54,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:54,911 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:54,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:54,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:54,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:54,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:54,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:55,005 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:55,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:55,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:55,011 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:55,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:55,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:55,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:55,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:55,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:55,076 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:55,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:55,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:55,081 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:55,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:55,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:55,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:55,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:55,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:55,144 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:55,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:55,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:55,150 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:55,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:55,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:55,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:55,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:55,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:55,212 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:55,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:55,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:55,217 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:55,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:55,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:55,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:55,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:55,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:55,276 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:55,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:55,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:55,281 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:55,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:55,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:55,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:55,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:55,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:55,338 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:55,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:55,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:55,342 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:55,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:55,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:55,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:55,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:55,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:55,400 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:55,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:55,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:55,405 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:55,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:55,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:55,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:55,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:55,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:55,462 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:55,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:55,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:55,467 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:55,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:55,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:55,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:55,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:55,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:55,523 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:55,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:55,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:55,528 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:55,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:55,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:55,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:55,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:55,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:55,585 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:55,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:55,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:55,590 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:55,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:55,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:55,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:55,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:55,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:55,648 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:55,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:55,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:55,653 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:55,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:55,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:55,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:55,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:55,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:55,711 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:55,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:55,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:55,716 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:55,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:55,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:55,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:55,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:55,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:55,783 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:55,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:55,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:55,788 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:55,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:55,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:55,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:55,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:55,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:55,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:55,860 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:55,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:55,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:55,865 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:55,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:55,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:55,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:55,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:55,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:55,927 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:55,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:55,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:55,932 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:55,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:55,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:55,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:55,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:55,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:55,995 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:55,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:56,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:56,000 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:56,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:56,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:56,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:56,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:56,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:56,063 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:56,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:56,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:56,068 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:56,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:56,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:56,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:56,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:56,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:56,135 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:56,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:56,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:56,140 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:56,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:56,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:56,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:56,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:56,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:56,206 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:56,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:56,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:56,212 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:56,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:56,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:56,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:56,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:56,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:56,272 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:56,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:56,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:56,277 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:56,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:56,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:56,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:56,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:56,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:56,335 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:56,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:56,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:56,339 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:56,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:56,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:56,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:56,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:56,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:56,396 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:56,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:56,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:56,401 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:56,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:56,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:56,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:56,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:56,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:56,459 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:56,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:56,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:56,463 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:56,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:56,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:56,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:56,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:56,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:56,521 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:56,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:56,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:56,526 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:56,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:56,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:56,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:56,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:56,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:56,582 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:56,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:56,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:56,587 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:56,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:56,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:56,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:56,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:56,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:56,644 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:56,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:56,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:56,649 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:56,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:56,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:56,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:56,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:56,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:56,711 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:56,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:56,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:56,716 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:56,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:56,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:56,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:56,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:56,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:56,772 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:56,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:56,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:56,777 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:56,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:56,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:56,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:56,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:56,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:56,834 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:56,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:56,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:56,838 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:56,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:56,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:56,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:56,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:56,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:56,896 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:56,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:56,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:56,901 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:56,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:56,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:56,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:56,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:56,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:56,960 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:56,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:56,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:56,964 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:56,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:56,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:56,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:56,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:56,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:57,022 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:57,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:57,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:57,027 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:57,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:57,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:57,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:57,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:57,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:57,084 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:57,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:57,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:57,089 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:57,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:57,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:57,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:57,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:57,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:57,153 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:57,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:57,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:57,157 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:57,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:57,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:57,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:57,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:57,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:57,214 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:57,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:57,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:57,219 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:57,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:57,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:57,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:57,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:57,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:57,275 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:57,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:57,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:57,280 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:57,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:57,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:57,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:57,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:57,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:57,337 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:57,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:57,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:57,341 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:57,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:57,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:57,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:57,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:57,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:57,397 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:57,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:57,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:57,402 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:57,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:57,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:57,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:57,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:57,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:57,458 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:57,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:57,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:57,463 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:57,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:57,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:57,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:57,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:57,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:57,524 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:57,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:57,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:57,528 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:57,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:57,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:57,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:57,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:57,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:57,585 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:57,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:57,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:57,590 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:57,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:57,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:57,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:57,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:57,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:57,653 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:57,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:57,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:57,668 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:57,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:57,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:57,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:57,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:57,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:57,728 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:57,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:57,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:57,735 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:57,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:57,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:57,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:57,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:57,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:57,795 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:57,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:57,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:57,799 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:57,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:57,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:57,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:57,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:57,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:57,898 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:57,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:57,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:57,904 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:57,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:57,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:57,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:57,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:57,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:57,973 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:57,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:57,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:57,978 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:57,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:57,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:57,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:57,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:57,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:58,053 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:58,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:58,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:58,058 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:58,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:58,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:58,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:58,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:58,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:58,124 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:58,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:58,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:58,128 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:58,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:58,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:58,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:58,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:58,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:58,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:58,196 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:58,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:58,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:58,202 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:58,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:58,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:58,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:58,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:58,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:58,261 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:58,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:58,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:58,265 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:58,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:58,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:58,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:58,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:58,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:58,344 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:58,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:58,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:58,349 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:58,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:58,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:58,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:58,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:58,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:58,418 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:58,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:58,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:58,423 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:58,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:58,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:58,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:58,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:58,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:58,490 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:58,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:58,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:58,495 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:58,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:58,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:58,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:58,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:58,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:58,555 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:58,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:58,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:58,560 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:58,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:58,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:58,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:58,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:58,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:58,622 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:58,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:58,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:58,626 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:58,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:58,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:58,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:58,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:58,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:58,683 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:58,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:58,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:58,688 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:58,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:58,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:58,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:58,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:58,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:58,768 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:58,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:58,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:58,772 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:58,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:58,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:58,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:58,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:58,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:58,854 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:58,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:58,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:58,859 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:58,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:58,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:58,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:58,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:58,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:58,932 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:58,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:58,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:58,937 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:58,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:58,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:58,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:58,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:58,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:59,012 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:59,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:59,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:59,016 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:59,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:59,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:59,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:59,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:59,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:59,095 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:59,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:59,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:59,100 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:59,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:59,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:59,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:59,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:59,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:59,166 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:59,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:59,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:59,172 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:59,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:59,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:59,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:59,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:59,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:59,243 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:59,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:59,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:59,253 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:59,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:59,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:59,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:59,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:59,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:59,319 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:59,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:59,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:59,323 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:59,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:59,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:59,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:59,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:59,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:59,382 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:59,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:59,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:59,386 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:59,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:59,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:59,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:59,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:59,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:59,483 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:59,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:59,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:59,488 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:59,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:59,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:59,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:59,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:59,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:59,557 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:59,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:59,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:59,562 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:59,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:59,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:59,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:59,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:59,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:59,628 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:59,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:59,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:59,633 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:59,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:59,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:59,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:59,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:59,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:59,708 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:59,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:59,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:59,716 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:59,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:59,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:59,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:59,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:59,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:59,779 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:59,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:59,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:59,785 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:59,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:59,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:59,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:59,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:59,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:59,841 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:59,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:59,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:59,846 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:59,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:59,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:59,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:59,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:59,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:59,902 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:59,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:59,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:59,907 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:59,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:59,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:59,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:59,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:59,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:59,969 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:59,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:59,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:24:59,973 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:24:59,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:59,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:59,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:59,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:59,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:00,030 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:00,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:00,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:00,035 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:00,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:00,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:00,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:00,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:00,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:00,091 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:00,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:00,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:00,095 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:00,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:00,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:00,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:00,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:00,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:00,152 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:00,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:00,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:00,156 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:00,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:00,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:00,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:00,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:00,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:00,213 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:00,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:00,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:00,217 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:00,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:00,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:00,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:00,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:00,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:00,273 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:00,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:00,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:00,277 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:00,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:00,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:00,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:00,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:00,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:00,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:00,338 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:00,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:00,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:00,343 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:00,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:00,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:00,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:00,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:00,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:00,397 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:00,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:00,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:00,402 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:00,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:00,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:00,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:00,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:00,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:00,457 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:00,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:00,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:00,461 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:00,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:00,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:00,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:00,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:00,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:00,520 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:00,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:00,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:00,526 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:00,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:00,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:00,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:00,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:00,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:00,589 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:00,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:00,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:00,594 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:00,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:00,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:00,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:00,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:00,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:00,656 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:00,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:00,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:00,661 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:00,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:00,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:00,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:00,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:00,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:00,719 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:00,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:00,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:00,723 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:00,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:00,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:00,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:00,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:00,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:00,793 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:00,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:00,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:00,796 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:00,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:00,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:00,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:00,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:00,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:00,858 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:00,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:00,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:00,863 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:00,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:00,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:00,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:00,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:00,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:00,920 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:00,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:00,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:00,925 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:00,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:00,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:00,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:00,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:00,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:00,981 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:00,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:00,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:00,985 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:00,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:00,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:00,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:01,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:01,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:01,043 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:01,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:01,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:01,048 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:01,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:01,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:01,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:01,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:01,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:01,105 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:01,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:01,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:01,110 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:01,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:01,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:01,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:01,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:01,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:01,167 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:01,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:01,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:01,177 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:01,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:01,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:01,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:01,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:01,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:01,233 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:01,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:01,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:01,237 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:01,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:01,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:01,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:01,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:01,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:01,293 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:01,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:01,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:01,298 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:01,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:01,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:01,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:01,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:01,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:01,354 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:01,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:01,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:01,360 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:01,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:01,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:01,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:01,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:01,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:01,421 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:01,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:01,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:01,426 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:01,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:01,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:01,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:01,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:01,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:01,486 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:01,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:01,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:01,490 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:01,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:01,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:01,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:01,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:01,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:01,546 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:01,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:01,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:01,550 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:01,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:01,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:01,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:01,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:01,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:01,606 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:01,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:01,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:01,610 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:01,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:01,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:01,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:01,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:01,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:01,677 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:01,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:01,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:01,682 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:01,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:01,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:01,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:01,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:01,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:01,756 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:01,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:01,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:01,761 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:01,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:01,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:01,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:01,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:01,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:01,817 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:01,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:01,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:01,824 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:01,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:01,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:01,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:01,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:01,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:01,897 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:01,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:01,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:01,902 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:01,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:01,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:01,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:01,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:01,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:01,963 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:01,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:01,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:01,967 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:01,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:01,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:01,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:01,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:01,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:02,023 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:02,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:02,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:02,028 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:02,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:02,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:02,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:02,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:02,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:02,096 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:02,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:02,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:02,103 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:02,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:02,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:02,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:02,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:02,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:02,164 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:02,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:02,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:02,167 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:02,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:02,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:02,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:02,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:02,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:02,245 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:02,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:02,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:02,249 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:02,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:02,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:02,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:02,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:02,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:02,311 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:02,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:02,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:02,315 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:02,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:02,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:02,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:02,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:02,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:02,390 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:02,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:02,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:02,414 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:02,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:02,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:02,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:02,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:02,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:02,472 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:02,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:02,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:02,483 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:02,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:02,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:02,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:02,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:02,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:02,561 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:02,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:02,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:02,566 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:02,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:02,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:02,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:02,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:02,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:02,646 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:02,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:02,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:02,651 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:02,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:02,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:02,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:02,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:02,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:02,719 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:02,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:02,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:02,724 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:02,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:02,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:02,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:02,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:02,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:02,792 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:02,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:02,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:02,796 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:02,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:02,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:02,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:02,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:02,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:02,871 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:02,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:02,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:02,876 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:02,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:02,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:02,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:02,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:02,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:02,932 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:02,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:02,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:02,936 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:02,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:02,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:02,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:02,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:02,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:02,993 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:02,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:02,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:02,997 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:02,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:02,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:02,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:03,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:03,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:03,071 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:03,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:03,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:03,075 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:03,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:03,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:03,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:03,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:03,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:03,150 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:03,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:03,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:03,159 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:03,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:03,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:03,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:03,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:03,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:03,220 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:03,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:03,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:03,227 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:03,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:03,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:03,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:03,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:03,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:03,288 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:03,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:03,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:03,294 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:03,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:03,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:03,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:03,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:03,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:03,351 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:03,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:03,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:03,356 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:03,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:03,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:03,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:03,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:03,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:03,414 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:03,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:03,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:03,418 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:03,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:03,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:03,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:03,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:03,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:03,474 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:03,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:03,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:03,478 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:03,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:03,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:03,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:03,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:03,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:03,534 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:03,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:03,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:03,539 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:03,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:03,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:03,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:03,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:03,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:03,606 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:03,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:03,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:03,610 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:03,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:03,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:03,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:03,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:03,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:03,669 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:03,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:03,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:03,673 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:03,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:03,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:03,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:03,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:03,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:03,735 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:03,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:03,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:03,739 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:03,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:03,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:03,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:03,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:03,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:03,808 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:03,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:03,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:03,817 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:03,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:03,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:03,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:03,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:03,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:03,898 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:03,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:03,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:03,903 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:03,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:03,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:03,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:03,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:03,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:03,967 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:03,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:03,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:03,970 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:03,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:03,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:03,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:04,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:04,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:04,047 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:04,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:04,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:04,050 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:04,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:04,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:04,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:04,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:04,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:04,115 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:04,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:04,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:04,120 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:04,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:04,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:04,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:04,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:04,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:04,180 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:04,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:04,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:04,184 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:04,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:04,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:04,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:04,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:04,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:04,241 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:04,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:04,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:04,247 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:04,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:04,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:04,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:04,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:04,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:04,311 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:04,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:04,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:04,316 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:04,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:04,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:04,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:04,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:04,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:04,371 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:04,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:04,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:04,376 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:04,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:04,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:04,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:04,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:04,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:04,432 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:04,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:04,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:04,436 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:04,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:04,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:04,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:04,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:04,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:04,495 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:04,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:04,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:04,499 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:04,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:04,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:04,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:04,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:04,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:04,554 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:04,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:04,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:04,557 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:04,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:04,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:04,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:04,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:04,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:04,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:04,634 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:04,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:04,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:04,639 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:04,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:04,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:04,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:04,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:04,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:04,706 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:04,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:04,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:04,711 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:04,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:04,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:04,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:04,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:04,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:04,778 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:04,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:04,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:04,783 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:04,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:04,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:04,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:04,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:04,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:04,855 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:04,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:04,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:04,859 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:04,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:04,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:04,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:04,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:04,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:04,925 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:04,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:04,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:04,930 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:04,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:04,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:04,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:04,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:04,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:04,996 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:05,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:05,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:05,001 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:05,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:05,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:05,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:05,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:05,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:05,058 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:05,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:05,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:05,063 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:05,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:05,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:05,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:05,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:05,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:05,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:05,142 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:05,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:05,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:05,146 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:05,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:05,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:05,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:05,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:05,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:05,210 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:05,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:05,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:05,214 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:05,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:05,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:05,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:05,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:05,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:05,271 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:05,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:05,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:05,275 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:05,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:05,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:05,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:05,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:05,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:05,332 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:05,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:05,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:05,336 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:05,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:05,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:05,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:05,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:05,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:05,392 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:05,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:05,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:05,396 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:05,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:05,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:05,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:05,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:05,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:05,452 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:05,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:05,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:05,456 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:05,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:05,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:05,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:05,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:05,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:05,512 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:05,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:05,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:05,516 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:05,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:05,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:05,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:05,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:05,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:05,571 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:05,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:05,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:05,575 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:05,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:05,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:05,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:05,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:05,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:05,632 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:05,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:05,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:05,636 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:05,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:05,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:05,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:05,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:05,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:05,699 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:05,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:05,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:05,702 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:05,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:05,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:05,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:05,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:05,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:05,759 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:05,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:05,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:05,763 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:05,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:05,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:05,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:05,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:05,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:05,821 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:05,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:05,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:05,824 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:05,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:05,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:05,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:05,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:05,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:05,874 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:05,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:05,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:05,878 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:05,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:05,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:05,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:05,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:05,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:05,945 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:05,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:05,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:05,950 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:05,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:05,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:05,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:05,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:05,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:05,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:06,022 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:06,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:06,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:06,027 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:06,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:06,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:06,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:06,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:06,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:06,093 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:06,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:06,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:06,098 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:06,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:06,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:06,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:06,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:06,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:06,155 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:06,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:06,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:06,159 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:06,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:06,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:06,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:06,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:06,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:06,215 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:06,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:06,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:06,221 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:06,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:06,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:06,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:06,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:06,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:06,277 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:06,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:06,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:06,281 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:06,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:06,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:06,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:06,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:06,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:06,357 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:06,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:06,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:06,376 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:06,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:06,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:06,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:06,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:06,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:06,438 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:06,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:06,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:06,443 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:06,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:06,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:06,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:06,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:06,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:06,505 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:06,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:06,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:06,510 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:06,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:06,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:06,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:06,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:06,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:06,589 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:06,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:06,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:06,598 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:06,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:06,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:06,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:06,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:06,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:06,654 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:06,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:06,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:06,658 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:06,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:06,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:06,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:06,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:06,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:06,713 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:06,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:06,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:06,717 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:06,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:06,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:06,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:06,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:06,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:06,772 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:06,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:06,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:06,779 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:06,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:06,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:06,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:06,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:06,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:06,842 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:06,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:06,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-22 23:25:06,847 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-22 23:25:06,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:06,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:06,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:06,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:06,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:06,920 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:07,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:07,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:07,013 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:07,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:07,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:07,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:07,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:07,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:07,095 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:07,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:07,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:07,101 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:07,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:07,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:07,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:07,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:07,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:07,159 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:07,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:07,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:07,164 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:07,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:07,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:07,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:07,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:07,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:07,223 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:07,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:07,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:07,226 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:07,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:07,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:07,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:07,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:07,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:07,295 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:07,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:07,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:07,299 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:07,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:07,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:07,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:07,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:07,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:07,371 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:07,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:07,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:07,374 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:07,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:07,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:07,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:07,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:07,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:07,442 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:07,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:07,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:07,446 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:07,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:07,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:07,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:07,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:07,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:07,509 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:07,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:07,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:07,513 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:07,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:07,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:07,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:07,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:07,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:07,606 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:07,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:07,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:07,611 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:07,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:07,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:07,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:07,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:07,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:07,669 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:07,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:07,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:07,673 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:07,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:07,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:07,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:07,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:07,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:07,742 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:07,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:07,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:07,745 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:07,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:07,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:07,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:07,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:07,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:07,797 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:07,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:07,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:07,801 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:07,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:07,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:07,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:07,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:07,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:07,875 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:07,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:07,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:07,878 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:07,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:07,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:07,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:07,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:07,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:07,940 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:07,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:07,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:07,944 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:07,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:07,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:07,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:07,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:07,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:08,034 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:08,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:08,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:08,040 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:08,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:08,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:08,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:08,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:08,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:08,101 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:08,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:08,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:08,106 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:08,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:08,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:08,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:08,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:08,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:08,172 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:08,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:08,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:08,177 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:08,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:08,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:08,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:08,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:08,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:08,235 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:08,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:08,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:08,239 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:08,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:08,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:08,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:08,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:25:08,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:08,297 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:08,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:08,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:08,302 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:08,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:08,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:08,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:08,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:08,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:08,349 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:08,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:08,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:08,354 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:08,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:08,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:08,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:08,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:08,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:08,402 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:08,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:08,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:08,407 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:08,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:08,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:08,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:08,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:08,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:08,453 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:08,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:08,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:08,457 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:08,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:08,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:08,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:08,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:08,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:08,513 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:08,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:08,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:08,517 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:08,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:08,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:08,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:08,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:08,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:08,563 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:08,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:08,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:08,567 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:08,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:08,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:08,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:08,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:08,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:08,631 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:08,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:08,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:08,635 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:08,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:08,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:08,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:08,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:08,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:08,680 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:08,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:08,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:08,684 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:08,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:08,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:08,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:08,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:08,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:08,729 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:08,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:08,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:08,733 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:08,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:08,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:08,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:08,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:08,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:08,778 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:08,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:08,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:08,782 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:08,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:08,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:08,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:08,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:08,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:08,827 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:08,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:08,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:08,831 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:08,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:08,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:08,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:08,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:08,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:08,876 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:08,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:08,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:08,881 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:08,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:08,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:08,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:08,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:08,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:08,926 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:08,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:08,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:08,931 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:08,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:08,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:08,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:08,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:08,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:08,977 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:08,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:08,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:08,981 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:08,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:08,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:08,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:08,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:08,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:09,059 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:09,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:09,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:09,068 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:09,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:09,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:09,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:09,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:09,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:09,152 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:09,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:09,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:09,157 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:09,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:09,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:09,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:09,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:09,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:09,214 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:09,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:09,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:09,218 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:09,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:09,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:09,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:09,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:09,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:09,268 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:09,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:09,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:09,272 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:09,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:09,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:09,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:09,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:09,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:09,318 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:09,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:09,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:09,322 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:09,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:09,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:09,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:09,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:09,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:09,368 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:09,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:09,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:09,372 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:09,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:09,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:09,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:09,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:09,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:09,420 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:09,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:09,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:09,424 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:09,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:09,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:09,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:09,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:09,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:09,485 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:09,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:09,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:09,490 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:09,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:09,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:09,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:09,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:09,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:09,535 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:09,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:09,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:09,540 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:09,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:09,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:09,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:09,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:09,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:09,585 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:09,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:09,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:09,589 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:09,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:09,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:09,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:09,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:09,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:09,633 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:09,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:09,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:09,638 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:09,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:09,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:09,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:09,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:09,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:09,683 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:09,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:09,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:09,687 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:09,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:09,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:09,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:09,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:09,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:09,733 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:09,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:09,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:09,737 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:09,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:09,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:09,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:09,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:09,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:09,782 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:09,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:09,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:09,786 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:09,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:09,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:09,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:09,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:09,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:09,831 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:09,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:09,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:09,835 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:09,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:09,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:09,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:09,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:09,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:09,880 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:09,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:09,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:09,884 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:09,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:09,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:09,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:09,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:09,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:09,929 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:09,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:09,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:09,933 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:09,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:09,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:09,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:09,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:09,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:09,978 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:09,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:09,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:09,982 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:09,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:09,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:09,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:09,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:09,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:10,028 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:10,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:10,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:10,032 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:10,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:10,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:10,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:10,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:10,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:10,080 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:10,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:10,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:10,084 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:10,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:10,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:10,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:10,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:10,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:10,130 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:10,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:10,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:10,134 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:10,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:10,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:10,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:10,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:10,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:10,179 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:10,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:10,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:10,183 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:10,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:10,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:10,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:10,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:10,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:10,234 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:10,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:10,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:10,239 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:10,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:10,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:10,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:10,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:10,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:10,286 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:10,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:10,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:10,291 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:10,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:10,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:10,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:10,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:10,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:10,339 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:10,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:10,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:10,352 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:10,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:10,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:10,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:10,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:10,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:10,397 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:10,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:10,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:10,401 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:10,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:10,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:10,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:10,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:10,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:10,447 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:10,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:10,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:10,452 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:10,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:10,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:10,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:10,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:10,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:10,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:10,497 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:10,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:10,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:10,501 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:10,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:10,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:10,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:10,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:10,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:10,550 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:10,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:10,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:10,555 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:10,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:10,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:10,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:10,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:10,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:10,603 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:10,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:10,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:10,606 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:10,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:10,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:10,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:10,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:10,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:10,655 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:10,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:10,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:10,658 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:10,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:10,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:10,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:10,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:10,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:10,727 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:10,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:10,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:10,730 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:10,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:10,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:10,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:10,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:10,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:10,797 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:10,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:10,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:10,801 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:10,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:10,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:10,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:10,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:10,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:10,851 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:10,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:10,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:10,855 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:10,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:10,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:10,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:10,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:10,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:10,902 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:10,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:10,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:10,906 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:10,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:10,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:10,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:10,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:10,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:10,952 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:10,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:10,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:10,956 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:10,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:10,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:10,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:10,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:10,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:11,002 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:11,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:11,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:11,006 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:11,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:11,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:11,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:11,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:11,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:11,051 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:11,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:11,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:11,055 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:11,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:11,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:11,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:11,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:11,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:11,100 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:11,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:11,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:11,104 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:11,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:11,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:11,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:11,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:11,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:11,162 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:11,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:11,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:11,173 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:11,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:11,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:11,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:11,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:11,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:11,249 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:11,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:11,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:11,254 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:11,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:11,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:11,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:11,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:11,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:11,310 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:11,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:11,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:11,315 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:11,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:11,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:11,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:11,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:11,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:11,375 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:11,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:11,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:11,379 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:11,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:11,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:11,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:11,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:11,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:11,434 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:11,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:11,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:11,437 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:11,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:11,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:11,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:11,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:11,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:11,481 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:11,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:11,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:11,493 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:11,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:11,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:11,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:11,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:11,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:11,553 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:11,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:11,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:11,558 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:11,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:11,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:11,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:11,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:11,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:11,619 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:11,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:11,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:11,623 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:11,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:11,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:11,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:11,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:11,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:11,681 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:11,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:11,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:11,685 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:11,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:11,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:11,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:11,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:11,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:11,742 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:11,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:11,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:11,747 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:11,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:11,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:11,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:11,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:11,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:11,803 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:11,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:11,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:11,808 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:11,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:11,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:11,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:11,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:11,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:11,864 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:11,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:11,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:11,868 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:11,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:11,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:11,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:11,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:11,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:11,924 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:11,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:11,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:11,928 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:11,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:11,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:11,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:11,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:11,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:11,984 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:11,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:11,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:11,988 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:11,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:11,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:11,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:12,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:12,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:12,044 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:12,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:12,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:12,049 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:12,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:12,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:12,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:12,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:12,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:12,099 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:12,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:12,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:12,102 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:12,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:12,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:12,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:12,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:12,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:12,163 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:12,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:12,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:12,166 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:12,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:12,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:12,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:12,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:12,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:12,213 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:12,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:12,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:12,216 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:12,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:12,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:12,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:12,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:12,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:12,278 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:12,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:12,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:12,283 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:12,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:12,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:12,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:12,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:12,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:12,343 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:12,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:12,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:12,351 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:12,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:12,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:12,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:12,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:12,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:12,417 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:12,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:12,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:12,423 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:12,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:12,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:12,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:12,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:12,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:12,477 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:12,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:12,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:12,482 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:12,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:12,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:12,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:12,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:12,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:12,535 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:12,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:12,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:12,540 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:12,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:12,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:12,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:12,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:12,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:12,601 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:12,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:12,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:12,606 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:12,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:12,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:12,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:12,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:12,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:12,665 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:12,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:12,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:12,669 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:12,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:12,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:12,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:12,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:12,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:12,726 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:12,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:12,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:12,731 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:12,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:12,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:12,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:12,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:12,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:12,789 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:12,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:12,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:12,793 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:12,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:12,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:12,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:12,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:12,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:12,854 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:12,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:12,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:12,865 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:12,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:12,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:12,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:12,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:12,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:12,911 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:12,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:12,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:12,914 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:12,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:12,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:12,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:12,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:12,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:12,968 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:12,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:12,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:12,971 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:12,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:12,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:12,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:12,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:12,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:13,017 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:13,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:13,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:13,020 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:13,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:13,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:13,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:13,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:13,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:13,079 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:13,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:13,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:13,094 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:13,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:13,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:13,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:13,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:13,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:13,140 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:13,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:13,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:13,144 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:13,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:13,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:13,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:13,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:13,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:13,192 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:13,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:13,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:13,195 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:13,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:13,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:13,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:13,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:13,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:13,259 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:13,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:13,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:13,263 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:13,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:13,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:13,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:13,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:13,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:13,312 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:13,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:13,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:13,322 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:13,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:13,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:13,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:13,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:13,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:13,364 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:13,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:13,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:13,367 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:13,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:13,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:13,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:13,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:13,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:13,411 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:13,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:13,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:13,414 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:13,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:13,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:13,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:13,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:13,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:13,483 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:13,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:13,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:13,486 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:13,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:13,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:13,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:13,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:13,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:13,537 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:13,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:13,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:13,541 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:13,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:13,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:13,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:13,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:13,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:13,586 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:13,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:13,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:13,595 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:13,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:13,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:13,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:13,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:13,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:13,664 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:13,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:13,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:13,668 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:13,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:13,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:13,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:13,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:13,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:13,728 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:13,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:13,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:13,732 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:13,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:13,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:13,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:13,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:13,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:13,790 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:13,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:13,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:13,794 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:13,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:13,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:13,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:13,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:13,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:13,840 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:13,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:13,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:13,844 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:13,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:13,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:13,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:13,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:13,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:13,902 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:13,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:13,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:13,906 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:13,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:13,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:13,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:13,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:13,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:13,964 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:13,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:13,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:13,969 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:13,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:13,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:13,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:13,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:13,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:14,028 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:14,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:14,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:14,035 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:14,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:14,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:14,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:14,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:14,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:14,094 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:14,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:14,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:14,098 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:14,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:14,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:14,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:14,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:14,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:14,155 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:14,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:14,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:14,159 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:14,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:14,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:14,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:14,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:14,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:14,212 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:14,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:14,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:14,215 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:14,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:14,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:14,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:14,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:14,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:14,278 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:14,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:14,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:14,282 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:14,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:14,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:14,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:14,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:14,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:14,326 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:14,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:14,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:14,329 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:14,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:14,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:14,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:14,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:14,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:14,402 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:14,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:14,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:14,406 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:14,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:14,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:14,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:14,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:14,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:14,455 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:14,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:14,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:14,459 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:14,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:14,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:14,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:14,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:14,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:14,514 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:14,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:14,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:14,518 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:14,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:14,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:14,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:14,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:14,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:14,571 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:14,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:14,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:14,575 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:14,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:14,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:14,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:14,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:14,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:14,623 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:14,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:14,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:14,627 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:14,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:14,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:14,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:14,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:14,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:14,675 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:14,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:14,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:14,679 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:14,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:14,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:14,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:14,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:14,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:14,727 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:14,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:14,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:14,731 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:14,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:14,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:14,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:14,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:14,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:14,779 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:14,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:14,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:14,783 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:14,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:14,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:14,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:14,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:14,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:14,828 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:14,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:14,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:14,832 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:14,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:14,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:14,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:14,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:14,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:14,877 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:14,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:14,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:14,881 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:14,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:14,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:14,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:14,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:14,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:14,927 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:14,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:14,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:14,932 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:14,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:14,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:14,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:14,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:14,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:14,978 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:14,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:14,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:14,982 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:14,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:14,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:14,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:14,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:14,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:15,030 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:15,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:15,034 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:15,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:15,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:15,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:15,080 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:15,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:15,084 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:15,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:15,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:15,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:15,130 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:15,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:15,134 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:15,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:15,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:15,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:15,179 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:15,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:15,183 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:15,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:15,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:15,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:15,228 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:15,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:15,232 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:15,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:15,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:15,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:15,278 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:15,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:15,282 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:15,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:15,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:15,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:15,327 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:15,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:15,331 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:15,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:15,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:15,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:15,391 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:15,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:15,395 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:15,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:15,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:15,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:15,440 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:15,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:15,444 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:15,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:15,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:15,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:15,488 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:15,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:15,492 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:15,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:15,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:15,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:15,536 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:15,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:15,540 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:15,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:15,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:15,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:15,585 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:15,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:15,589 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:15,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:15,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:15,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:15,633 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:15,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:15,637 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:15,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:15,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:15,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:15,681 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:15,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:15,685 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:15,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:15,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:15,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:15,730 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:15,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:15,734 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:15,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:15,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:15,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:15,779 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:15,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:15,784 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:15,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:15,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:15,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:15,835 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:15,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:15,839 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:15,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:15,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:15,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:15,893 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:15,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:15,896 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:15,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:15,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:15,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:15,950 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:15,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:15,955 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:15,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:15,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:15,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:16,001 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:16,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:16,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:16,005 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:16,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:16,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:16,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:16,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:16,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:16,051 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:16,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:16,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:16,055 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:16,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:16,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:16,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:16,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:16,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:16,107 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:16,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:16,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:16,110 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:16,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:16,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:16,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:16,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:16,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:16,168 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:16,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:16,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:16,173 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:16,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:16,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:16,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:16,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:16,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:16,233 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:16,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:16,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:16,238 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:16,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:16,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:16,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:16,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:16,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:16,295 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:16,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:16,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:16,299 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:16,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:16,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:16,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:16,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:16,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:16,364 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:16,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:16,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:16,368 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:16,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:16,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:16,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:16,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:16,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:16,413 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:16,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:16,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:16,417 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:16,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:16,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:16,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:16,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:16,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:16,462 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:16,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:16,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:16,466 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:16,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:16,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:16,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:16,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:16,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:16,511 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:16,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:16,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:16,515 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:16,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:16,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:16,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:16,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:16,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:16,559 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:16,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:16,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:16,563 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:16,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:16,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:16,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:16,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:16,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:16,609 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:16,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:16,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:16,613 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:16,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:16,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:16,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:16,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:16,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:16,657 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:16,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:16,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:16,661 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:16,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:16,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:16,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:16,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:16,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:16,707 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:16,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:16,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:16,711 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:16,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:16,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:16,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:16,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:16,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:16,756 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:16,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:16,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:16,760 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:16,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:16,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:16,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:16,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:16,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:16,808 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:16,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:16,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:16,812 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:16,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:16,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:16,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:16,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:16,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:16,879 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:16,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:16,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:16,883 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:16,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:16,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:16,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:16,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:16,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:16,929 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:16,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:16,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:16,932 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:16,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:16,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:16,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:16,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:16,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:16,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:16,975 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:16,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:16,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:16,978 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:16,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:16,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:16,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:16,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:16,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:17,021 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:17,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:17,024 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:17,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:17,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:17,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:17,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:17,084 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:17,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:17,091 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:17,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:17,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:17,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:17,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:17,139 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:17,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:17,142 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:17,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:17,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:17,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:17,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:17,210 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:17,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:17,215 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:17,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:17,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:17,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:17,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:17,287 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:17,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:17,290 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:17,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:17,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:17,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:17,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:17,343 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:17,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:17,347 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:17,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:17,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:17,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:17,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:17,398 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:17,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:17,402 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:17,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:17,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:17,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:17,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:17,452 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:17,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:17,456 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:17,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:17,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:17,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:17,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:17,504 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:17,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:17,508 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:17,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:17,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:17,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:17,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:17,558 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:17,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:17,562 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:17,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:17,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:17,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:17,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:17,607 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:17,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:17,618 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:17,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:17,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:17,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:17,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:17,677 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:17,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:17,682 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:17,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:17,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:17,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:17,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:17,739 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:17,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:17,743 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:17,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:17,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:17,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:17,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:17,790 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:17,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:17,793 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:17,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:17,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:17,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:17,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:17,834 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:17,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:17,837 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:17,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:17,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:17,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:17,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:17,880 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:17,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:17,883 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:17,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:17,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:17,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:17,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:17,931 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:17,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:17,935 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:17,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:17,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:17,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:17,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:17,982 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:17,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:17,987 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:17,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:17,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:17,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:17,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:18,028 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:18,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:18,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:18,031 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:18,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:18,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:18,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:18,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:18,073 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:18,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:18,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:18,076 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:18,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:18,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:18,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:18,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:18,118 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:18,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:18,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:18,121 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:18,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:18,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:18,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:18,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:18,163 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:18,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:18,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:18,176 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:18,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:18,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:18,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:18,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:18,222 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:18,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:18,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:18,226 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:18,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:18,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:18,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:18,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:18,277 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:18,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:18,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:18,281 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:18,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:18,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:18,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:18,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:18,336 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:18,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:18,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:18,339 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:18,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:18,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:18,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:18,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:18,391 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:18,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:18,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:18,394 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:18,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:18,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:18,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:18,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:18,469 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:18,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:18,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:18,475 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:18,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:18,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:18,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:18,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:18,522 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:18,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:18,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:18,526 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:18,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:18,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:18,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:18,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:18,568 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:18,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:18,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:18,571 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:18,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:18,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:18,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:18,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:18,612 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:18,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:18,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:18,615 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:18,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:18,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:18,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:18,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:18,656 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:18,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:18,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:18,659 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:18,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:18,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:18,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:18,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:18,712 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:18,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:18,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:18,715 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:18,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:18,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:18,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:18,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:18,798 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:18,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:18,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:18,802 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:18,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:18,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:18,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:18,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:18,854 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:18,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:18,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:18,858 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:18,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:18,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:18,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:18,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:18,905 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:18,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:18,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:18,908 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:18,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:18,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:18,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:18,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:18,950 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:18,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:18,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:18,953 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:18,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:18,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:18,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:18,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:18,998 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:19,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:19,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:19,001 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:19,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:19,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:19,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:19,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:19,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:19,047 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:19,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:19,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:19,050 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:19,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:19,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:19,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:19,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:19,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:19,091 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:19,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:19,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:19,094 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:19,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:19,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:19,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:19,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:19,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:19,136 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:19,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:19,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:19,138 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:19,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:19,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:19,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:19,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:19,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:19,181 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:19,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:19,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:19,183 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:19,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:19,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:19,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:19,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:19,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:19,237 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:19,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:19,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:19,240 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:19,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:19,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:19,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:19,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:19,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:19,316 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:19,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:19,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:19,319 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:19,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:19,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:19,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:19,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:19,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:19,379 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:19,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:19,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:19,382 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:19,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:19,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:19,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:19,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:19,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:19,438 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:19,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:19,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:19,442 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:19,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:19,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:19,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:19,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:19,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:19,496 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:19,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:19,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:19,500 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:19,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:19,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:19,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:19,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:19,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:19,553 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:19,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:19,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:19,557 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:19,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:19,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:19,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:19,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:19,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:19,604 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:19,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:19,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:19,608 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:19,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:19,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:19,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:19,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:19,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:19,656 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:19,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:19,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:19,660 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:19,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:19,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:19,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:19,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:19,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:19,709 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:19,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:19,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:19,713 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:19,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:19,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:19,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:19,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:19,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:19,760 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:19,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:19,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:19,764 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:19,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:19,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:19,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:19,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:19,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:19,810 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:19,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:19,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:19,814 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:19,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:19,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:19,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:19,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:19,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:19,860 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:19,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:19,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:19,864 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:19,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:19,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:19,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:19,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:19,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:19,910 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:19,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:19,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:19,914 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:19,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:19,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:19,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:19,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:19,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:19,959 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:19,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:19,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:19,963 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:19,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:19,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:19,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:19,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:19,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:20,008 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:20,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:20,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:20,012 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:20,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:20,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:20,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:20,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:20,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:20,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:20,060 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:20,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:20,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:20,063 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:20,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:20,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:20,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:20,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:20,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:20,113 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:20,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:20,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:20,116 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:20,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:20,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:20,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:20,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:20,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:20,179 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:20,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:20,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:20,182 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:20,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:20,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:20,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:20,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:20,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:20,228 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:20,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:20,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:20,249 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:20,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:20,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:20,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:20,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:20,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:20,309 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:20,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:20,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:20,312 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:20,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:20,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:20,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:20,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:20,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:20,370 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:20,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:20,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:20,374 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:20,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:20,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:20,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:20,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:20,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:20,436 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:20,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:20,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:20,441 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:20,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:20,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:20,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:20,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:20,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:20,501 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:20,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:20,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:20,505 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:20,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:20,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:20,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:20,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:20,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:20,577 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:20,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:20,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:20,582 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:20,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:20,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:20,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:20,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:20,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:20,640 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:20,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:20,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:20,644 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:20,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:20,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:20,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:20,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:20,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:20,702 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:20,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:20,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:20,706 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:20,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:20,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:20,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:20,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:20,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:20,763 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:20,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:20,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:20,767 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:20,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:20,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:20,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:20,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:20,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:20,825 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:20,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:20,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:20,829 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:20,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:20,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:20,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:20,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:20,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:20,886 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:20,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:20,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:20,891 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:20,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:20,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:20,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:20,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:20,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:20,950 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:20,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:20,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:20,955 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:20,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:20,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:20,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:20,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:20,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:21,013 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:21,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:21,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:21,016 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:21,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:21,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:21,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:21,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:21,057 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:21,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:21,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:21,060 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:21,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:21,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:21,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:21,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:21,102 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:21,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:21,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:21,105 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:21,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:21,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:21,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:21,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:21,146 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:21,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:21,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:21,149 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:21,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:21,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:21,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:21,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:21,198 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:21,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:21,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:21,201 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:21,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:21,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:21,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:21,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:21,242 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:21,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:21,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:21,245 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:21,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:21,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:21,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:21,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:21,286 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:21,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:21,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:21,289 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:21,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:21,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:21,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:21,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:21,356 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:21,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:21,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:21,359 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:21,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:21,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:21,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:21,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:21,435 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:21,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:21,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:21,439 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:21,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:21,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:21,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:21,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:21,490 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:21,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:21,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:21,494 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:21,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:21,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:21,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:21,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:21,543 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:21,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:21,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:21,547 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:21,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:21,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:21,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:21,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:21,594 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:21,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:21,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:21,598 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:21,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:21,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:21,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:21,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:21,643 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:21,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:21,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:21,647 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:21,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:21,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:21,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:21,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:21,693 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:21,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:21,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:21,697 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:21,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:21,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:21,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:21,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:21,750 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:21,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:21,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:21,754 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:21,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:21,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:21,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:21,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:21,799 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:21,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:21,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:21,803 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:21,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:21,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:21,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:21,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:21,849 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:21,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:21,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:21,853 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:21,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:21,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:21,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:21,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:21,900 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:21,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:21,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:21,904 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:21,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:21,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:21,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:21,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:21,954 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:21,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:21,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:21,958 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:21,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:21,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:21,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:21,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:22,003 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:22,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:22,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:22,008 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:22,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:22,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:22,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:22,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:22,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:22,054 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:22,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:22,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:22,058 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:22,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:22,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:22,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:22,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:22,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:22,105 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:22,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:22,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:22,109 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:22,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:22,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:22,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:22,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:22,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:22,154 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:22,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:22,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:22,158 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:22,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:22,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:22,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:22,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:22,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:22,205 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:22,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:22,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:22,209 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:22,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:22,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:22,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:22,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:22,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:22,253 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:22,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:22,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:22,256 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:22,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:22,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:22,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:22,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:22,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:22,298 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:22,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:22,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:22,301 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:22,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:22,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:22,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:22,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:22,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:22,346 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:22,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:22,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:22,349 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:22,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:22,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:22,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:22,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:22,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:22,392 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:22,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:22,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:22,395 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:22,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:22,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:22,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:22,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:22,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:22,437 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:22,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:22,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:22,440 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:22,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:22,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:22,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:22,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:22,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:22,487 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:22,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:22,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:22,490 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:22,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:22,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:22,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:22,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:22,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:22,533 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:22,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:22,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:22,536 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:22,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:22,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:22,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:22,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:22,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:22,577 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:22,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:22,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:22,580 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:22,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:22,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:22,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:22,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:22,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:22,621 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:22,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:22,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:22,624 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:22,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:22,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:22,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:22,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:22,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:22,670 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:22,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:22,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:22,673 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:22,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:22,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:22,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:22,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:22,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:22,715 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:22,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:22,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:22,718 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:22,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:22,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:22,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:22,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:22,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:22,767 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:22,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:22,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:22,770 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:22,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:22,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:22,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:22,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:22,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:22,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:22,811 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:22,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:22,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:22,814 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:22,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:22,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:22,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:22,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:22,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:22,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:22,870 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:22,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:22,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:22,875 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:22,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:22,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:22,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:22,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:22,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:22,934 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:22,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:22,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:22,939 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:22,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:22,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:22,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:22,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:22,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:22,998 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:23,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:23,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:23,002 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:23,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:23,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:23,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:23,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:23,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:23,065 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:23,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:23,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:23,070 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:23,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:23,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:23,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:23,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:23,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:23,130 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:23,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:23,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:23,135 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:23,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:23,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:23,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:23,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:23,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:23,190 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:23,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:23,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:23,193 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:23,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:23,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:23,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:23,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:23,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:23,243 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:23,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:23,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:23,246 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:23,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:23,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:23,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:23,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:23,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:23,289 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:23,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:23,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:23,292 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:23,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:23,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:23,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:23,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:23,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:23,337 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:23,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:23,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:23,340 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:23,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:23,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:23,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:23,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:23,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:23,385 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:23,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:23,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:23,388 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:23,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:23,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:23,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:23,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:23,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:23,429 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:23,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:23,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:23,432 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:23,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:23,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:23,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:23,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:23,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:23,498 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:23,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:23,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:23,501 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:23,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:23,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:23,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:23,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:23,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:23,549 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:23,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:23,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:23,552 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:23,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:23,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:23,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:23,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:23,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:23,606 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:23,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:23,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:23,610 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:23,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:23,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:23,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:23,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:23,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:23,671 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:23,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:23,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:23,675 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:23,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:23,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:23,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:23,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:23,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:23,736 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:23,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:23,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:23,741 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:23,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:23,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:23,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:23,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:23,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:23,803 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:23,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:23,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:23,808 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:23,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:23,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:23,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:23,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:23,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:23,865 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:23,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:23,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:23,870 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:23,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:23,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:23,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:23,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:23,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:23,927 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:23,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:23,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:23,931 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:23,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:23,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:23,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:23,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:23,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:23,996 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:24,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:24,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:24,000 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:24,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:24,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:24,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:24,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:24,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:24,058 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:24,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:24,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:24,063 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:24,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:24,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:24,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:24,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:24,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:24,123 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:24,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:24,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:24,127 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:24,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:24,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:24,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:24,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:24,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:24,186 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:24,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:24,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:24,191 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:24,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:24,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:24,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:24,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:24,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:24,250 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:24,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:24,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:24,254 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:24,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:24,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:24,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:24,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:24,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:24,313 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:24,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:24,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:24,317 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:24,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:24,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:24,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:24,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:24,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:24,375 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:24,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:24,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:24,379 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:24,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:24,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:24,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:24,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:24,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:24,437 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:24,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:24,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:24,442 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:24,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:24,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:24,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:24,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:24,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:24,494 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:24,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:24,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:24,497 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:24,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:24,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:24,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:24,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:24,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:24,547 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:24,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:24,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:24,550 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:24,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:24,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:24,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:24,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:24,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:24,591 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:24,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:24,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:24,594 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:24,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:24,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:24,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:24,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:24,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:24,653 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:24,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:24,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:24,658 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:24,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:24,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:24,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:24,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:24,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:24,712 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:24,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:24,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:24,717 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:24,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:24,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:24,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:24,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:24,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:24,764 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:24,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:24,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:24,767 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:24,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:24,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:24,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:24,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:24,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:24,814 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:24,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:24,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:24,817 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:24,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:24,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:24,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:24,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:24,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:24,858 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:24,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:24,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:24,861 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:24,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:24,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:24,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:24,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:24,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:24,933 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:24,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:24,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:24,937 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:24,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:24,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:24,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:24,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:24,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:24,988 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:24,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:24,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:24,992 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:24,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:24,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:24,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:25,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:25,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:25,041 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:25,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:25,045 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:25,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:25,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:25,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:25,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:25,093 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:25,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:25,097 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:25,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:25,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:25,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:25,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:25,143 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:25,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:25,147 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:25,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:25,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:25,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:25,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:25,199 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:25,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:25,203 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:25,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:25,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:25,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:25,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:25,248 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:25,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:25,252 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:25,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:25,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:25,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:25,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:25,297 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:25,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:25,301 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:25,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:25,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:25,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:25,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:25,347 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:25,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:25,351 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:25,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:25,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:25,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:25,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:25,398 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:25,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:25,401 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:25,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:25,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:25,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:25,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:25,449 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:25,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:25,452 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:25,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:25,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:25,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:25,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:25,517 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:25,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:25,522 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:25,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:25,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:25,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:25,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:25,582 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:25,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:25,586 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:25,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:25,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:25,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:25,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:25,646 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:25,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:25,651 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:25,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:25,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:25,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:25,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:25,710 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:25,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:25,714 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:25,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:25,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:25,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:25,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:25,773 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:25,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:25,778 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:25,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:25,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:25,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:25,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:25,836 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:25,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:25,840 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:25,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:25,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:25,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:25,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:25,898 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:25,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:25,902 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:25,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:25,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:25,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:25,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:25,960 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:25,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:25,964 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:25,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:25,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:25,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:25,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:26,022 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:26,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:26,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:26,026 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:26,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:26,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:26,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:26,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:26,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:26,073 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:26,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:26,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:26,076 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:26,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:26,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:26,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:26,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:26,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:26,117 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:26,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:26,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:26,120 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:26,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:26,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:26,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:26,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:26,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:26,162 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:26,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:26,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:26,165 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:26,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:26,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:26,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:26,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:26,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:26,207 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:26,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:26,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:26,210 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:26,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:26,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:26,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:26,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:26,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:26,286 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:26,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:26,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:26,290 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:26,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:26,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:26,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:26,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:26,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:26,340 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:26,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:26,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:26,344 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:26,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:26,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:26,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:26,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:26,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:26,388 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:26,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:26,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:26,399 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:26,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:26,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:26,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:26,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:26,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:26,440 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:26,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:26,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:26,443 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:26,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:26,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:26,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:26,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:26,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:26,485 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:26,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:26,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:26,488 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:26,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:26,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:26,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:26,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:26,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:26,554 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:26,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:26,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:26,558 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:26,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:26,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:26,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:26,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:26,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:26,617 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:26,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:26,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:26,622 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:26,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:26,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:26,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:26,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:26,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:26,682 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:26,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:26,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:26,687 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:26,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:26,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:26,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:26,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:26,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:26,745 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:26,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:26,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:26,750 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:26,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:26,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:26,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:26,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:26,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:26,808 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:26,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:26,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:26,813 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:26,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:26,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:26,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:26,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:26,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:26,871 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:26,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:26,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:26,876 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:26,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:26,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:26,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:26,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:26,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:26,919 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:26,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:26,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:26,922 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:26,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:26,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:26,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:26,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:26,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:26,963 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:26,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:26,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:26,966 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:26,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:26,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:26,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:26,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:26,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:27,010 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:27,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:27,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:27,013 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:27,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:27,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:27,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:27,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:27,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:27,080 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:27,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:27,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:27,083 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:27,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:27,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:27,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:27,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:27,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:27,125 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:27,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:27,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:27,128 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:27,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:27,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:27,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:27,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:27,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:27,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:27,190 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:27,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:27,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:27,194 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:27,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:27,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:27,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:27,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:27,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:27,244 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:27,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:27,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:27,246 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:27,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:27,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:27,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:27,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:27,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:27,288 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:27,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:27,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:27,291 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:27,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:27,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:27,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:27,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:27,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:27,348 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:27,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:27,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:27,353 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:27,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:27,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:27,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:27,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:27,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:27,412 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:27,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:27,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:27,416 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:27,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:27,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:27,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:27,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:27,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:27,464 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:27,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:27,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:27,467 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:27,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:27,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:27,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:27,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:27,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:27,509 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:27,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:27,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:27,512 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:27,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:27,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:27,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:27,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:27,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:27,569 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:27,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:27,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:27,573 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:27,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:27,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:27,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:27,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:27,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:27,632 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:27,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:27,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:27,636 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:27,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:27,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:27,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:27,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:27,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:27,688 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:27,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:27,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:27,692 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:27,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:27,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:27,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:27,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:27,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:27,741 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:27,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:27,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:27,745 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:27,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:27,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:27,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:27,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:27,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:27,794 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:27,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:27,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:27,798 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:27,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:27,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:27,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:27,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:27,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:27,848 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:27,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:27,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:27,852 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:27,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:27,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:27,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:27,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:27,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:27,906 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:27,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:27,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:27,910 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:27,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:27,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:27,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:27,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:27,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:27,972 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:27,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:27,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:27,977 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:27,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:27,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:27,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:27,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:27,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:28,022 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:28,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:28,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:28,026 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:28,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:28,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:28,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:28,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:28,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:28,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:28,072 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:28,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:28,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:28,076 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:28,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:28,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:28,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:28,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:28,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:28,125 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:28,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:28,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:28,129 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:28,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:28,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:28,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:28,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:28,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:28,174 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:28,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:28,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:28,178 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:28,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:28,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:28,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:28,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:28,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:28,223 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:28,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:28,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:28,227 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:28,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:28,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:28,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:28,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:28,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:28,271 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:28,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:28,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:28,275 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:28,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:28,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:28,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:28,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:28,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:28,319 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:28,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:28,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:28,323 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:28,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:28,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:28,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:28,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:28,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:28,368 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:28,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:28,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:28,371 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:28,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:28,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:28,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:28,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:28,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:28,413 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:28,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:28,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:28,416 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:28,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:28,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:28,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:28,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:28,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:28,457 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:28,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:28,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:28,460 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:28,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:28,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:28,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:28,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:28,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:28,510 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:28,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:28,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:28,514 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:28,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:28,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:28,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:28,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:28,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:28,575 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:28,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:28,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:28,580 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:28,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:28,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:28,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:28,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:28,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:28,643 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:28,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:28,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:28,648 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:28,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:28,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:28,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:28,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:28,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:28,707 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:28,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:28,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:28,711 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:28,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:28,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:28,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:28,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:28,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:28,774 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:28,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:28,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:28,778 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:28,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:28,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:28,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:28,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:28,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:28,836 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:28,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:28,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:28,840 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:28,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:28,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:28,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:28,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:28,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:28,890 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:28,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:28,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:28,893 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:28,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:28,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:28,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:28,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:28,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:28,934 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:28,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:28,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:28,940 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:28,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:28,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:28,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:28,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:28,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:28,997 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:29,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:29,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:29,000 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:29,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:29,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:29,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:29,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:29,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:29,057 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:29,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:29,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:29,061 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:29,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:29,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:29,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:29,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:29,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:29,113 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:29,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:29,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:29,117 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:29,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:29,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:29,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:29,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:29,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:29,165 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:29,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:29,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:29,169 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:29,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:29,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:29,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:29,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:29,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:29,210 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:29,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:29,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:29,213 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:29,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:29,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:29,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:29,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:29,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:29,256 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:29,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:29,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:29,259 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:29,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:29,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:29,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:29,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:29,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:29,300 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:29,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:29,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:29,303 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:29,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:29,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:29,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:29,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:29,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:29,363 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:29,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:29,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:29,367 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:29,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:29,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:29,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:29,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:29,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:29,426 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:29,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:29,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:29,431 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:29,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:29,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:29,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:29,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:29,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:29,490 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:29,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:29,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:29,495 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:29,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:29,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:29,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:29,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:29,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:29,553 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:29,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:29,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:29,558 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:29,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:29,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:29,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:29,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:29,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:29,623 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:29,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:29,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:29,628 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:29,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:29,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:29,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:29,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:29,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:29,688 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:29,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:29,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:29,693 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:29,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:29,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:29,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:29,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:29,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:29,752 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:29,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:29,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:29,756 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:29,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:29,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:29,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:29,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:29,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:29,814 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:29,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:29,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:29,818 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:29,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:29,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:29,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:29,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:29,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:29,877 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:29,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:29,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:29,881 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:29,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:29,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:29,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:29,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:29,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:29,923 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:29,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:29,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:29,927 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:29,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:29,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:29,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:29,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:29,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:29,974 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:29,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:29,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:29,977 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:29,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:29,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:29,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:29,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:29,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:30,018 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:30,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:30,021 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:30,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:30,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:30,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:30,062 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:30,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:30,064 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:30,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:30,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:30,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:30,106 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:30,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:30,109 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:30,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:30,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:30,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:30,150 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:30,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:30,153 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:30,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:30,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:30,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:30,199 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:30,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:30,202 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:30,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:30,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:30,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:30,244 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:30,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:30,247 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:30,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:30,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:30,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:30,288 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:30,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:30,291 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:30,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:30,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:30,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:30,365 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:30,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:30,370 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:30,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:30,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:30,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:30,412 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:30,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:30,415 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:30,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:30,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:30,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:30,456 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:30,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:30,459 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:30,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:30,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:30,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:30,500 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:30,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:30,503 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:30,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:30,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:30,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:30,544 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:30,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:30,547 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:30,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:30,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:30,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:30,613 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:30,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:30,616 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:30,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:30,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:30,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:30,658 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:30,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:30,661 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:30,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:30,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:30,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:30,703 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:30,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:30,706 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:30,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:30,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:30,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:30,748 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:30,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:30,751 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:30,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:30,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:30,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:30,792 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:30,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:30,795 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:30,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:30,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:30,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:30,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:30,840 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:30,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:30,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:30,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:30,881 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:30,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:30,884 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:30,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:30,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:30,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:30,926 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:30,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:30,929 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:30,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:30,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:30,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:30,978 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:30,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:30,981 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:30,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:30,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:30,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:31,022 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:31,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:31,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:31,025 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:31,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:31,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:31,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:31,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:31,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:31,076 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:31,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:31,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:31,079 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:31,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:31,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:31,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:31,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:31,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:31,146 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:31,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:31,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:31,150 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:31,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:31,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:31,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:31,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:31,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:31,201 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:31,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:31,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:31,205 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:31,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:31,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:31,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:31,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:31,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:31,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:31,253 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:31,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:31,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:31,257 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:31,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:31,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:31,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:31,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:31,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:31,306 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:31,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:31,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:31,310 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:31,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:31,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:31,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:31,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:31,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:31,357 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:31,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:31,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:31,361 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:31,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:31,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:31,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:31,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:31,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:31,410 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:31,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:31,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:31,415 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:31,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:31,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:31,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:31,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:31,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:31,463 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:31,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:31,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:31,467 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:31,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:31,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:31,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:31,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:31,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:31,514 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:31,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:31,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:31,518 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:31,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:31,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:31,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:31,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:31,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:31,566 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:31,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:31,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:31,570 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:31,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:31,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:31,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:31,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:31,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:31,617 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:31,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:31,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:31,621 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:31,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:31,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:31,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:31,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:31,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:31,669 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:31,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:31,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:31,674 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:31,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:31,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:31,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:31,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:31,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:31,721 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:31,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:31,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:31,725 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:31,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:31,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:31,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:31,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:31,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:31,771 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:31,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:31,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:31,776 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:31,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:31,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:31,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:31,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:31,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:31,821 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:31,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:31,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:31,825 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:31,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:31,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:31,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:31,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:31,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:31,873 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:31,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:31,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:31,877 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:31,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:31,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:31,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:31,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:31,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:31,928 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:31,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:31,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:31,932 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:31,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:31,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:31,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:31,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:31,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:31,981 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:31,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:31,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:31,985 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:31,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:31,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:31,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:32,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:32,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:32,034 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:32,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:32,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:32,038 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:32,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:32,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:32,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:32,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:32,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:32,087 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:32,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:32,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:32,103 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:32,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:32,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:32,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:32,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:32,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:32,150 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:32,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:32,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:32,154 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:32,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:32,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:32,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:32,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:32,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:32,202 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:32,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:32,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:32,206 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:32,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:32,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:32,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:32,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:32,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:32,254 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:32,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:32,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:32,258 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:32,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:32,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:32,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:32,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:32,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:32,305 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:32,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:32,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:32,309 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:32,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:32,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:32,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:32,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:32,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:32,357 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:32,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:32,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:32,361 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:32,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:32,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:32,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:32,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:32,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:32,414 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:32,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:32,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:32,418 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:32,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:32,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:32,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:32,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:32,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:32,486 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:32,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:32,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:32,490 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:32,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:32,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:32,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:32,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:32,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:32,539 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:32,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:32,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:32,543 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:32,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:32,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:32,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:32,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:32,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:32,590 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:32,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:32,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:32,593 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:32,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:32,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:32,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:32,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:32,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:32,635 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:32,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:32,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:32,638 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:32,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:32,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:32,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:32,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:32,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:32,679 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:32,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:32,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:32,682 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:32,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:32,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:32,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:32,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:32,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:32,749 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:32,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:32,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:32,753 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:32,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:32,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:32,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:32,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:32,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:32,805 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:32,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:32,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:32,809 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:32,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:32,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:32,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:32,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:32,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:32,860 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:32,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:32,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:32,864 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:32,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:32,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:32,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:32,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:32,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:32,913 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:32,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:32,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:32,917 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:32,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:32,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:32,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:32,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:32,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:32,965 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:32,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:32,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:32,969 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:32,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:32,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:32,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:32,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:32,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:33,017 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:33,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:33,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:33,021 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:33,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:33,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:33,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:33,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:33,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:33,069 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:33,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:33,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:33,073 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:33,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:33,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:33,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:33,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:33,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:33,124 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:33,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:33,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:33,128 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:33,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:33,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:33,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:33,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:33,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:33,180 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:33,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:33,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:33,184 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:33,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:33,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:33,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:33,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:33,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:33,235 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:33,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:33,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:33,240 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:33,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:33,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:33,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:33,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:33,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:33,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:33,295 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:33,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:33,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:33,298 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:33,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:33,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:33,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:33,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:33,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:33,338 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:33,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:33,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:33,341 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:33,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:33,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:33,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:33,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:33,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:33,381 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:33,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:33,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:33,385 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:33,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:33,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:33,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:33,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:33,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:33,447 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:33,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:33,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:33,452 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:33,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:33,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:33,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:33,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:33,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:33,501 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:33,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:33,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:33,504 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:33,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:33,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:33,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:33,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:33,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:33,545 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:33,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:33,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:33,548 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:33,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:33,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:33,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:33,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:33,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:33,592 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:33,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:33,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:33,595 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:33,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:33,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:33,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:33,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:33,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:33,636 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:33,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:33,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:33,639 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:33,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:33,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:33,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:33,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:33,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:33,680 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:33,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:33,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:33,683 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:33,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:33,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:33,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:33,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:33,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:33,725 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:33,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:33,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:33,728 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:33,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:33,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:33,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:33,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:33,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:33,770 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:33,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:33,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:33,773 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:33,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:33,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:33,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:33,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:33,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:33,814 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:33,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:33,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:33,817 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:33,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:33,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:33,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:33,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:25:33,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:33,859 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:33,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:33,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:25:33,862 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:25:33,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:33,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:33,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2021-11-22 23:34:51,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:51,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:51,963 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:51,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:51,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:51,965 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:51,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:51,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:51,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:52,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:52,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:52,042 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:52,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:52,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:52,045 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:52,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:52,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:52,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:52,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:52,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:52,115 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:52,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:52,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:52,118 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:52,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:52,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:52,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:52,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:52,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:52,189 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:52,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:52,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:52,192 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:52,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:52,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:52,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:52,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:52,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:52,262 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:52,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:52,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:52,265 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:52,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:52,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:52,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:52,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:52,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:52,336 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:52,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:52,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:52,339 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:52,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:52,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:52,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:52,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:52,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:52,410 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:52,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:52,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:52,412 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:52,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:52,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:52,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:52,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:52,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:52,484 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:52,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:52,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:52,487 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:52,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:52,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:52,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:52,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:52,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:52,558 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:52,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:52,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:52,560 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:52,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:52,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:52,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:52,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:52,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:52,631 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:52,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:52,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:52,634 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:52,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:52,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:52,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:52,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:52,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:52,705 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:52,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:52,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:52,708 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:52,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:52,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:52,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:52,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:52,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:52,779 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:52,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:52,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:52,782 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:52,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:52,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:52,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:52,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:52,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:52,853 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:52,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:52,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:52,856 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:52,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:52,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:52,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:52,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:52,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:52,927 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:52,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:52,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:52,930 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:52,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:52,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:52,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:52,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:52,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:53,001 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:53,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:53,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:53,004 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:53,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:53,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:53,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:53,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:53,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:53,073 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:53,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:53,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:53,076 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:53,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:53,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:53,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:53,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:53,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:53,147 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:53,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:53,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:53,150 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:53,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:53,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:53,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:53,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:53,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:53,221 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:53,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:53,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:53,224 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:53,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:53,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:53,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:53,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:53,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:53,295 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:53,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:53,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:53,298 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:53,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:53,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:53,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:53,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:53,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:53,370 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:53,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:53,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:53,372 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:53,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:53,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:53,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:53,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:53,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:53,444 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:53,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:53,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:53,447 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:53,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:53,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:53,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:53,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:53,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:53,519 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:53,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:53,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:53,522 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:53,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:53,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:53,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:53,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:53,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:53,599 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:53,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:53,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:53,602 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:53,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:53,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:53,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:53,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:53,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:53,673 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:53,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:53,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:53,675 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:53,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:53,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:53,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:53,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:53,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:53,746 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:53,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:53,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:53,749 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:53,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:53,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:53,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:53,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:53,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:53,820 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:53,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:53,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:53,823 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:53,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:53,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:53,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:53,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:53,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:53,894 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:53,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:53,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:53,896 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:53,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:53,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:53,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:53,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:53,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:53,967 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:53,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:53,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:53,970 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:53,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:53,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:53,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:54,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:54,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:54,041 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:54,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:54,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:54,044 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:54,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:54,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:54,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:54,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:54,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:54,115 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:54,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:54,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:54,118 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:54,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:54,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:54,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:54,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:54,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:54,189 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:54,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:54,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:54,192 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:54,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:54,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:54,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:54,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:54,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:54,263 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:54,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:54,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:54,265 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:54,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:54,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:54,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:54,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:54,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:54,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:54,337 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:54,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:54,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:54,339 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:54,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:54,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:54,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:54,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:54,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:54,411 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:54,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:54,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:54,414 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:54,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:54,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:54,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:54,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:54,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:54,485 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:54,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:54,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:54,488 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:54,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:54,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:54,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:54,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:54,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:54,560 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:54,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:54,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:54,563 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:54,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:54,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:54,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:54,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:54,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:54,634 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:54,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:54,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:54,637 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:54,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:54,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:54,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:54,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:54,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:54,707 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:54,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:54,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:54,709 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:54,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:54,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:54,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:54,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:54,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:54,780 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:54,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:54,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:54,783 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:54,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:54,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:54,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:54,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:54,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:54,854 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:54,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:54,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:54,857 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:54,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:54,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:54,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:54,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:54,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:54,928 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:54,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:54,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:54,931 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:54,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:54,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:54,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:54,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:54,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:55,003 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:55,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:55,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:55,006 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:55,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:55,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:55,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:55,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:55,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:55,077 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:55,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:55,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:55,080 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:55,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:55,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:55,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:55,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:55,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:55,152 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:55,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:55,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:55,161 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:55,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:55,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:55,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:55,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:55,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:55,231 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:55,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:55,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:55,234 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:55,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:55,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:55,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:55,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:55,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:55,305 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:55,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:55,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:55,308 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:55,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:55,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:55,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:55,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:55,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:55,379 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:55,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:55,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:55,381 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:55,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:55,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:55,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:55,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:55,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:55,452 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:55,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:55,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:55,455 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:55,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:55,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:55,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:55,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:55,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:55,526 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:55,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:55,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:55,529 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:55,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:55,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:55,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:55,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:55,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:55,600 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:55,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:55,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:55,603 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:55,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:55,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:55,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:55,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:55,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:55,674 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:55,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:55,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:55,677 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:55,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:55,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:55,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:55,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:55,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:55,748 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:55,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:55,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:55,751 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:55,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:55,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:55,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:55,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:55,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:55,822 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:55,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:55,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:55,825 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:55,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:55,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:55,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:55,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:55,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:55,896 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:55,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:55,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:55,899 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:55,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:55,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:55,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:55,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:55,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:55,970 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:55,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:55,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:55,973 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:55,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:55,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:55,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:56,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:56,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:56,053 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:56,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:56,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:56,056 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:56,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:56,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:56,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:56,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:56,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:56,127 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:56,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:56,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:56,130 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:56,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:56,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:56,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:56,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:56,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:56,201 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:56,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:56,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:56,204 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:56,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:56,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:56,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:56,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:56,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:56,276 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:56,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:56,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:56,279 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:56,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:56,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:56,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:56,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:56,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:56,350 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:56,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:56,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:56,353 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:56,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:56,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:56,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:56,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:56,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:56,425 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:56,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:56,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:56,428 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:56,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:56,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:56,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:56,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:56,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:56,500 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:56,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:56,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:56,503 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:56,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:56,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:56,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:56,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:56,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:56,574 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:56,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:56,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:56,577 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:56,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:56,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:56,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:56,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:56,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:56,649 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:56,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:56,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:56,652 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:56,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:56,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:56,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:56,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:56,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:56,724 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:56,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:56,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:56,726 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:56,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:56,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:56,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:56,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:56,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:56,802 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:56,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:56,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:56,805 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:56,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:56,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:56,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:56,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:56,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:56,876 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:56,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:56,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:56,879 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:56,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:56,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:56,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:56,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:56,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:56,950 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:56,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:56,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:56,953 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:56,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:56,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:56,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:56,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:56,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:57,024 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:57,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:57,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:57,026 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:57,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:57,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:57,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:57,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:57,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:57,097 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:57,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:57,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:57,100 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:57,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:57,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:57,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:57,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:57,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:57,171 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:57,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:57,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:57,174 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:57,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:57,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:57,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:57,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:57,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:57,245 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:57,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:57,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:57,248 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:57,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:57,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:57,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:57,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:57,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:57,319 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:57,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:57,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:57,322 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:57,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:57,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:57,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:57,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:57,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:57,393 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:57,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:57,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:57,396 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:57,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:57,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:57,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:57,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:57,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:57,468 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:57,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:57,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:57,470 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:57,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:57,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:57,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:57,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:57,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:57,542 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:57,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:57,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:57,545 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:57,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:57,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:57,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:57,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:57,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:57,616 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:57,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:57,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:57,619 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:57,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:57,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:57,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:57,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:57,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:57,691 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:57,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:57,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:57,694 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:57,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:57,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:57,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:57,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:57,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:57,765 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:57,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:57,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:57,768 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:57,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:57,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:57,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:57,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:57,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:57,840 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:57,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:57,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:57,843 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:57,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:57,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:57,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:57,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:57,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:57,914 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:57,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:57,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:57,917 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:57,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:57,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:57,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:57,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:57,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:57,989 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:57,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:57,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:57,992 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:57,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:57,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:57,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:58,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:58,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:58,064 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:58,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:58,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:58,066 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:58,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:58,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:58,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:58,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:58,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:58,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:58,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:58,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:58,141 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:58,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:58,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:58,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:58,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:58,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:58,213 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:58,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:58,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:58,216 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:58,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:58,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:58,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:58,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:58,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:58,287 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:58,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:58,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:58,290 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:58,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:58,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:58,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:58,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:58,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:58,367 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:58,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:58,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:58,370 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:58,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:58,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:58,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:58,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:58,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:58,441 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:58,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:58,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:58,444 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:58,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:58,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:58,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:58,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:58,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:58,515 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:58,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:58,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:58,518 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:58,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:58,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:58,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:58,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:58,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:58,589 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:58,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:58,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:58,592 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:58,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:58,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:58,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:58,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:58,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:58,663 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:58,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:58,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:58,666 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:58,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:58,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:58,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:58,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:58,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:58,737 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:58,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:58,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:58,740 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:58,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:58,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:58,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:58,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:58,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:58,811 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:58,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:58,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:58,814 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:58,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:58,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:58,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:58,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:58,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:58,885 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:58,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:58,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:58,888 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:58,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:58,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:58,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:58,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:58,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:58,959 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:58,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:58,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:58,962 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:58,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:58,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:58,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:59,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:59,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:59,033 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:59,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:59,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:59,036 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:59,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:59,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:59,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:59,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:59,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:59,108 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:59,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:59,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:59,110 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:59,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:59,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:59,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:59,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:59,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:59,182 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:59,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:59,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:59,185 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:59,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:59,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:59,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:59,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:59,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:59,257 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:59,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:59,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:59,259 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:59,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:59,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:59,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:59,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:59,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:59,331 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:59,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:59,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:59,334 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:59,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:59,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:59,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:59,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:59,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:59,406 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:59,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:59,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:59,408 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:59,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:59,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:59,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:59,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:59,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:59,480 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:59,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:59,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:59,483 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:59,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:59,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:59,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:59,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:59,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:59,555 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:59,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:59,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:59,558 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:59,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:59,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:59,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:59,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:59,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:59,630 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:59,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:59,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:59,633 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:59,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:59,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:59,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:59,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:59,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:59,705 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:59,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:59,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:59,708 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:59,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:59,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:59,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:59,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:59,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:59,780 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:59,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:59,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:59,783 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:59,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:59,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:59,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:59,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:59,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:59,855 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:59,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:59,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:59,857 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:59,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:59,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:59,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:59,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:59,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:59,936 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:34:59,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:59,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:34:59,938 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:34:59,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:34:59,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:59,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:59,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:34:59,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:00,010 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:00,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:00,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:00,012 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:00,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:00,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:00,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:00,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:00,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:00,084 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:00,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:00,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:00,087 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:00,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:00,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:00,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:00,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:00,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:00,158 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:00,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:00,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:00,161 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:00,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:00,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:00,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:00,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:00,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:00,232 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:00,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:00,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:00,235 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:00,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:00,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:00,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:00,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:00,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:00,306 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:00,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:00,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:00,309 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:00,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:00,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:00,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:00,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:00,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:00,380 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:00,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:00,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:00,383 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:00,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:00,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:00,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:00,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:00,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:00,454 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:00,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:00,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:00,457 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:00,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:00,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:00,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:00,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:00,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:00,528 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:00,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:00,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:00,531 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:00,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:00,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:00,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:00,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:00,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:00,602 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:00,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:00,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:00,605 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:00,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:00,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:00,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:00,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:00,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:00,677 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:00,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:00,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:00,680 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:00,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:00,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:00,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:00,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:00,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:00,751 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:00,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:00,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:00,754 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:00,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:00,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:00,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:00,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:00,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:00,826 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:00,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:00,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:00,828 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:00,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:00,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:00,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:00,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:00,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:00,900 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:00,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:00,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:00,903 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:00,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:00,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:00,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:00,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:00,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:00,974 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:00,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:00,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:00,977 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:00,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:00,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:00,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:01,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:01,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:01,049 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:01,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:01,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:01,052 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:01,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:01,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:01,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:01,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:01,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:01,123 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:01,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:01,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:01,126 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:01,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:01,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:01,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:01,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:01,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:01,198 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:01,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:01,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:01,201 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:01,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:01,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:01,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:01,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:01,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:01,272 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:01,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:01,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:01,275 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:01,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:01,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:01,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:01,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:01,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:01,347 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:01,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:01,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:01,350 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:01,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:01,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:01,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:01,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:01,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:01,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:01,423 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:01,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:01,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:01,425 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:01,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:01,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:01,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:01,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:01,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:01,497 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:01,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:01,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:01,500 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:01,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:01,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:01,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:01,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:01,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:01,575 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:01,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:01,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:01,578 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:01,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:01,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:01,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:01,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:01,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:01,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:01,649 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:01,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:01,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:01,652 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:01,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:01,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:01,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:01,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:01,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:01,723 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:01,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:01,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:01,726 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:01,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:01,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:01,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:01,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:01,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:01,797 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:01,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:01,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:01,800 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:01,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:01,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:01,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:01,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:01,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:01,872 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:01,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:01,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:01,875 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:01,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:01,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:01,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:01,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:01,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:01,946 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:01,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:01,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:01,949 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:01,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:01,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:01,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:01,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:01,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:02,020 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:02,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:02,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:02,023 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:02,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:02,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:02,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:02,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:02,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:02,094 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:02,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:02,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:02,097 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:02,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:02,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:02,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:02,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:02,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:02,169 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:02,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:02,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:02,172 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:02,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:02,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:02,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:02,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:02,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:02,243 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:02,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:02,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:02,246 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:02,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:02,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:02,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:02,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:02,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:02,317 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:02,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:02,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:02,320 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:02,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:02,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:02,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:02,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:02,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:02,392 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:02,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:02,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:02,394 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:02,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:02,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:02,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:02,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:02,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:02,466 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:02,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:02,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:02,469 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:02,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:02,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:02,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:02,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:02,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:02,541 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:02,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:02,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:02,544 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:02,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:02,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:02,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:02,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:02,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:02,616 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:02,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:02,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:02,619 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:02,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:02,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:02,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:02,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:02,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:02,691 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:02,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:02,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:02,694 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:02,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:02,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:02,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:02,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:02,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:02,766 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:02,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:02,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:02,768 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:02,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:02,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:02,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:02,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:02,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:02,840 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:02,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:02,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:02,843 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:02,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:02,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:02,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:02,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:02,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:02,915 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:02,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:02,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:02,918 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:02,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:02,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:02,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:02,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:02,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:02,990 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:02,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:02,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:02,993 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:02,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:02,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:02,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:03,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:03,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:03,063 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:03,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:03,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:03,065 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:03,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:03,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:03,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:03,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:03,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:03,142 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:03,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:03,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:03,145 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:03,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:03,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:03,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:03,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:03,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:03,216 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:03,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:03,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:03,219 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:03,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:03,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:03,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:03,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:03,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:03,290 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:03,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:03,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:03,293 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:03,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:03,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:03,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:03,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:03,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:03,364 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:03,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:03,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:03,367 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:03,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:03,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:03,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:03,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:03,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:03,439 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:03,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:03,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:03,441 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:03,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:03,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:03,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:03,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:03,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:03,513 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:03,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:03,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:03,516 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:03,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:03,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:03,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:03,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:03,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:03,587 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:03,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:03,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:03,590 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:03,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:03,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:03,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:03,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:03,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:03,662 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:03,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:03,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:03,665 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:03,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:03,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:03,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:03,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:03,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:03,736 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:03,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:03,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:03,739 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:03,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:03,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:03,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:03,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:03,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:03,811 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:03,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:03,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:03,813 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:03,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:03,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:03,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:03,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:03,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:03,885 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:03,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:03,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:03,888 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:03,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:03,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:03,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:03,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:03,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:03,960 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:03,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:03,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:03,963 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:03,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:03,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:03,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:04,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:04,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:04,034 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:04,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:04,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:04,037 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:04,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:04,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:04,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:04,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:04,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:04,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:04,109 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:04,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:04,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:04,112 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:04,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:04,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:04,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:04,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:04,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:04,184 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:04,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:04,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:04,186 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:04,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:04,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:04,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:04,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:04,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:04,258 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:04,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:04,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:04,261 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:04,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:04,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:04,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:04,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:04,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:04,333 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:04,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:04,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:04,336 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:04,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:04,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:04,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:04,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:04,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:04,407 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:04,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:04,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:04,410 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:04,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:04,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:04,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:04,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:04,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:04,482 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:04,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:04,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:04,485 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:04,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:04,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:04,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:04,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:04,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:04,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:04,557 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:04,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:04,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:04,560 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:04,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:04,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:04,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:04,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:04,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:04,632 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:04,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:04,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:04,635 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:04,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:04,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:04,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:04,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:04,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:04,711 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:04,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:04,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:04,714 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:04,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:04,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:04,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:04,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:04,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:04,786 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:04,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:04,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:04,789 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:04,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:04,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:04,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:04,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:04,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:04,859 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:04,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:04,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:04,862 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:04,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:04,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:04,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:04,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:04,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:04,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:04,933 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:04,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:04,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:04,936 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:04,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:04,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:04,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:04,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:04,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:05,007 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:05,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:05,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:05,010 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:05,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:05,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:05,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:05,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:05,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:05,081 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:05,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:05,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:05,084 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:05,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:05,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:05,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:05,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:05,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:05,155 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:05,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:05,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:05,158 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:05,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:05,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:05,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:05,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:05,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:05,229 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:05,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:05,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:05,232 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:05,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:05,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:05,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:05,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:05,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:05,303 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:05,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:05,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:05,306 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:05,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:05,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:05,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:05,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:05,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:05,378 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:05,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:05,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:05,380 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:05,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:05,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:05,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:05,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:05,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:05,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:05,452 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:05,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:05,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:05,455 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:05,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:05,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:05,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:05,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:05,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:05,527 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:05,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:05,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:05,530 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:05,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:05,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:05,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:05,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:05,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:05,601 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:05,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:05,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:05,604 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:05,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:05,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:05,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:05,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:05,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:05,676 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:05,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:05,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:05,679 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:05,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:05,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:05,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:05,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:05,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:05,751 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:05,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:05,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:05,754 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:05,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:05,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:05,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:05,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:05,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:05,826 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:05,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:05,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:05,829 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:05,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:05,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:05,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:05,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:05,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:05,901 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:05,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:05,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:05,904 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:05,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:05,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:05,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:05,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:05,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:05,976 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:05,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:05,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:05,979 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:05,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:05,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:05,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:06,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:06,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:06,051 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:06,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:06,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:06,054 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:06,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:06,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:06,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:06,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:06,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:06,126 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:06,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:06,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:06,129 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:06,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:06,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:06,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:06,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:06,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:06,201 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:06,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:06,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:06,204 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:06,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:06,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:06,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:06,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:06,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:06,276 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:06,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:06,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:06,284 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:06,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:06,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:06,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:06,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:06,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:06,355 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:06,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:06,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:06,358 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:06,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:06,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:06,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:06,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:06,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:06,429 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:06,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:06,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:06,432 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:06,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:06,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:06,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:06,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:06,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:06,504 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:06,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:06,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:06,506 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:06,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:06,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:06,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:06,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:06,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:06,578 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:06,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:06,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:06,580 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:06,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:06,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:06,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:06,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:06,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:06,652 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:06,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:06,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:06,654 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:06,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:06,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:06,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:06,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:06,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:06,726 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:06,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:06,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:06,729 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:06,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:06,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:06,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:06,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:06,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:06,800 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:06,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:06,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:06,803 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:06,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:06,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:06,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:06,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:06,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:06,874 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:06,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:06,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:06,877 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:06,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:06,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:06,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:06,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:06,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:06,949 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:06,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:06,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:06,952 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:06,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:06,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:06,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:06,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:06,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:07,023 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:07,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:07,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:07,026 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:07,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:07,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:07,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:07,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:07,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:07,097 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:07,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:07,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:07,100 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:07,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:07,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:07,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:07,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:07,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:07,172 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:07,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:07,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:07,175 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:07,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:07,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:07,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:07,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:07,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:07,246 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:07,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:07,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:07,249 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:07,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:07,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:07,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:07,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:07,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:07,321 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:07,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:07,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:07,324 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:07,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:07,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:07,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:07,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:07,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:07,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:07,395 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:07,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:07,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:07,398 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:07,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:07,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:07,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:07,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:07,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:07,470 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:07,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:07,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:07,473 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:07,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:07,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:07,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:07,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:07,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:07,545 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:07,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:07,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:07,548 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:07,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:07,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:07,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:07,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:07,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:07,620 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:07,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:07,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:07,623 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:07,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:07,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:07,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:07,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:07,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:07,695 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:07,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:07,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:07,698 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:07,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:07,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:07,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:07,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:07,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:07,770 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:07,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:07,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:07,773 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:07,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:07,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:07,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:07,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:07,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:07,844 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:07,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:07,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:07,847 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:07,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:07,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:07,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:07,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:07,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:07,924 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:07,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:07,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:07,927 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:07,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:07,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:07,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:07,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:07,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:07,998 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:08,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:08,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:08,001 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:08,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:08,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:08,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:08,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:08,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:08,072 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:08,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:08,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:08,075 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:08,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:08,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:08,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:08,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:08,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:08,146 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:08,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:08,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:08,149 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:08,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:08,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:08,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:08,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:08,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:08,220 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:08,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:08,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:08,223 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:08,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:08,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:08,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:08,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:08,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:08,294 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:08,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:08,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:08,297 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:08,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:08,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:08,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:08,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:08,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:08,369 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:08,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:08,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:08,372 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:08,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:08,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:08,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:08,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:08,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:08,443 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:08,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:08,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:08,446 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:08,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:08,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:08,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:08,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:08,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:08,518 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:08,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:08,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:08,521 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:08,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:08,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:08,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:08,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:08,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:08,592 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:08,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:08,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:08,595 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:08,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:08,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:08,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:08,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:08,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:08,667 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:08,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:08,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:08,669 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:08,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:08,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:08,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:08,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:08,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:08,741 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:08,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:08,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:08,744 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:08,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:08,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:08,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:08,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:08,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:08,816 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:08,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:08,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:08,818 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:08,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:08,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:08,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:08,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:08,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:08,891 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:08,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:08,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:08,893 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:08,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:08,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:08,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:08,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:08,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:08,965 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:08,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:08,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:08,968 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:08,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:08,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:08,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:09,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:09,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:09,040 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:09,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:09,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:09,043 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:09,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:09,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:09,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:09,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:09,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:09,116 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:09,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:09,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:09,118 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:09,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:09,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:09,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:09,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:09,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:09,191 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:09,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:09,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:09,193 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:09,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:09,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:09,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:09,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:09,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:09,266 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:09,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:09,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:09,269 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:09,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:09,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:09,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:09,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:09,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:09,341 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:09,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:09,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:09,344 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:09,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:09,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:09,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:09,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:09,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:09,417 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:09,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:09,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:09,419 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:09,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:09,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:09,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:09,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:09,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:09,496 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:09,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:09,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:09,499 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:09,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:09,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:09,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:09,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:09,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:09,570 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:09,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:09,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:09,573 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:09,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:09,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:09,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:09,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:09,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:09,645 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:09,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:09,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:09,647 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:09,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:09,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:09,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:09,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:09,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:09,719 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:09,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:09,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:09,722 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:09,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:09,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:09,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:09,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:09,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:09,793 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:09,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:09,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:09,796 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:09,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:09,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:09,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:09,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:09,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:09,868 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:09,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:09,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:09,871 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:09,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:09,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:09,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:09,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:09,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:09,942 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:09,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:09,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:09,945 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:09,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:09,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:09,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:09,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:09,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:10,017 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:10,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:10,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:10,020 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:10,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:10,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:10,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:10,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:10,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:10,091 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:10,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:10,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:10,094 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:10,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:10,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:10,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:10,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:10,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:10,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:10,166 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:10,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:10,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:10,169 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:10,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:10,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:10,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:10,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:10,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:10,240 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:10,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:10,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:10,243 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:10,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:10,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:10,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:10,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:10,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:10,315 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:10,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:10,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:10,318 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:10,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:10,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:10,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:10,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:10,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:10,389 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:10,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:10,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:10,392 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:10,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:10,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:10,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:10,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:10,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:10,465 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:10,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:10,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:10,467 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:10,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:10,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:10,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:10,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:10,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:10,539 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:10,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:10,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:10,542 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:10,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:10,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:10,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:10,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:10,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:10,614 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:10,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:10,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:10,617 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:10,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:10,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:10,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:10,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:10,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:10,689 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:10,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:10,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:10,692 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:10,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:10,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:10,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:10,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:10,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:10,764 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:10,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:10,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:10,767 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:10,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:10,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:10,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:10,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:10,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:10,839 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:10,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:10,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:10,841 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:10,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:10,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:10,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:10,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:10,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:10,914 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:10,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:10,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:10,916 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:10,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:10,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:10,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:10,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:10,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:10,989 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:10,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:10,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:10,991 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:10,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:10,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:10,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:11,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:11,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:11,070 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:11,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:11,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:11,072 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:11,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:11,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:11,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:11,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:11,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:11,144 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:11,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:11,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:11,146 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:11,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:11,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:11,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:11,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:11,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:11,218 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:11,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:11,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:11,221 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:11,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:11,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:11,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:11,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:11,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:11,292 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:11,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:11,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:11,295 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:11,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:11,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:11,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:11,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:11,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:11,366 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:11,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:11,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:11,369 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:11,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:11,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:11,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:11,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:11,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:11,441 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:11,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:11,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:11,444 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:11,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:11,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:11,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:11,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:11,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:11,515 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:11,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:11,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:11,518 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:11,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:11,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:11,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:11,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:11,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:11,589 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:11,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:11,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:11,592 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:11,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:11,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:11,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:11,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:11,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:11,664 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:11,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:11,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:11,667 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:11,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:11,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:11,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:11,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:11,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:11,739 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:11,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:11,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:11,741 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:11,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:11,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:11,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:11,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:11,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:11,813 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:11,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:11,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:11,816 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:11,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:11,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:11,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:11,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:11,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:11,888 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:11,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:11,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:11,890 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:11,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:11,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:11,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:11,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:11,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:11,962 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:11,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:11,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:11,965 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:11,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:11,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:11,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:12,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:12,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:12,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:12,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:12,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:12,040 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:12,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:12,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:12,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:12,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:12,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:12,112 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:12,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:12,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:12,115 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:12,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:12,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:12,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:12,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:12,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:12,187 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:12,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:12,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:12,190 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:12,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:12,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:12,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:12,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:12,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:12,262 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:12,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:12,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:12,265 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:12,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:12,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:12,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:12,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:12,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:12,337 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:12,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:12,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:12,340 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:12,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:12,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:12,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:12,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:12,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:12,412 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:12,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:12,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:12,415 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:12,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:12,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:12,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:12,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:12,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:12,487 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:12,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:12,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:12,490 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:12,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:12,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:12,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:12,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:12,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:12,563 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:12,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:12,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:12,565 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:12,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:12,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:12,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:12,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:12,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:12,638 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:12,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:12,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:12,644 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:12,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:12,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:12,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:12,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:12,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:12,717 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:12,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:12,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:12,720 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:12,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:12,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:12,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:12,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:12,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:12,791 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:12,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:12,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:12,794 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:12,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:12,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:12,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:12,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:12,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:12,865 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:12,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:12,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:12,868 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:12,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:12,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:12,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:12,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:12,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:12,940 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:12,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:12,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:12,943 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:12,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:12,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:12,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:12,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:12,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:13,014 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:13,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:13,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:13,017 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:13,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:13,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:13,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:13,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:13,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:13,087 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:13,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:13,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:13,090 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:13,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:13,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:13,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:13,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:13,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:13,162 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:13,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:13,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:13,165 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:13,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:13,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:13,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:13,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:13,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:13,236 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:13,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:13,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:13,239 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:13,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:13,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:13,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:13,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:13,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:13,311 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:13,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:13,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:13,314 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:13,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:13,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:13,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:13,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:13,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:13,386 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:13,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:13,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:13,389 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:13,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:13,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:13,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:13,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:13,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:13,461 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:13,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:13,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:13,464 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:13,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:13,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:13,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:13,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:13,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:13,536 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:13,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:13,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:13,538 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:13,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:13,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:13,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:13,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:13,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:13,610 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:13,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:13,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:13,613 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:13,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:13,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:13,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:13,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:13,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:13,686 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:13,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:13,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:13,688 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:13,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:13,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:13,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:13,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:13,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:13,761 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:13,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:13,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:13,763 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:13,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:13,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:13,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:13,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:13,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:13,836 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:13,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:13,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:13,838 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:13,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:13,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:13,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:13,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:13,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:13,911 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:13,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:13,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:13,914 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:13,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:13,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:13,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:13,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:13,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:13,986 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:13,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:13,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:13,989 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:13,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:13,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:13,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:14,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:14,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:14,061 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:14,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:14,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:14,064 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:14,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:14,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:14,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:14,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:14,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:14,136 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:14,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:14,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:14,139 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:14,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:14,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:14,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:14,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:14,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:14,212 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:14,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:14,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:14,215 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:14,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:14,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:14,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:14,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:14,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:14,292 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:14,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:14,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:14,295 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:14,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:14,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:14,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:14,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:14,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:14,367 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:14,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:14,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:14,369 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:14,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:14,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:14,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:14,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:14,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:14,441 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:14,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:14,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:14,444 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:14,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:14,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:14,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:14,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:14,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:14,516 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:14,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:14,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:14,518 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:14,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:14,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:14,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:14,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:14,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:14,590 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:14,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:14,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:14,593 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:14,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:14,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:14,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:14,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:14,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:14,664 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:14,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:14,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:14,667 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:14,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:14,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:14,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:14,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:14,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:14,739 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:14,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:14,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:14,742 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:14,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:14,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:14,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:14,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:14,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:14,813 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:14,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:14,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:14,815 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:14,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:14,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:14,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:14,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:14,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:14,887 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:14,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:14,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:14,890 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:14,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:14,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:14,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:14,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:14,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:14,962 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:14,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:14,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:14,965 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:14,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:14,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:14,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:15,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:15,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:15,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:15,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:15,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:15,040 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:15,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:15,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:15,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:15,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:15,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:15,112 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:15,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:15,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:15,115 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:15,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:15,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:15,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:15,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:15,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:15,187 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:15,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:15,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:15,189 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:15,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:15,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:15,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:15,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:15,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:15,262 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:15,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:15,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:15,264 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:15,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:15,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:15,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:15,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:15,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:15,337 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:15,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:15,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:15,339 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:15,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:15,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:15,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:15,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:15,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:15,412 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:15,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:15,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:15,415 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:15,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:15,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:15,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:15,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:15,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:15,487 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:15,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:15,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:15,490 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:15,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:15,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:15,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:15,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:15,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:15,562 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:15,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:15,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:15,565 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:15,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:15,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:15,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:15,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:15,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:15,638 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:15,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:15,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:15,641 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:15,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:15,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:15,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:15,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:15,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:15,713 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:15,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:15,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:15,716 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:15,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:15,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:15,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:15,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:15,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:15,788 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:15,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:15,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:15,791 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:15,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:15,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:15,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:15,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:15,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:15,869 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:15,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:15,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:15,871 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:15,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:15,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:15,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:15,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:15,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:15,943 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:15,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:15,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:15,946 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:15,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:15,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:15,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:15,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:15,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:16,018 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:16,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:16,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:16,020 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:16,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:16,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:16,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:16,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:16,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:16,092 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:16,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:16,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:16,095 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:16,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:16,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:16,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:16,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:16,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:16,167 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:16,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:16,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:16,170 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:16,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:16,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:16,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:16,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:16,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:16,242 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:16,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:16,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:16,244 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:16,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:16,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:16,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:16,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:16,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:16,316 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:16,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:16,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:16,319 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:16,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:16,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:16,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:16,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:16,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:16,391 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:16,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:16,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:16,394 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:16,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:16,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:16,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:16,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:16,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:16,466 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:16,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:16,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:16,469 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:16,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:16,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:16,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:16,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:16,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:16,541 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:16,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:16,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:16,544 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:16,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:16,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:16,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:16,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:16,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:16,616 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:16,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:16,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:16,619 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:16,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:16,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:16,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:16,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:16,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:16,691 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:16,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:16,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:16,694 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:16,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:16,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:16,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:16,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:16,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:16,766 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:16,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:16,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:16,769 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:16,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:16,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:16,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:16,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:16,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:16,841 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:16,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:16,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:16,844 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:16,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:16,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:16,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:16,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:16,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:16,916 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:16,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:16,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:16,919 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:16,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:16,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:16,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:16,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:16,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:16,992 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:16,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:16,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:16,994 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:16,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:16,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:16,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:17,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:17,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:17,067 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:17,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:17,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:17,070 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:17,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:17,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:17,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:17,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:17,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:17,142 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:17,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:17,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:17,145 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:17,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:17,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:17,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:17,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:17,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:17,218 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:17,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:17,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:17,220 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:17,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:17,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:17,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:17,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:17,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:17,293 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:17,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:17,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:17,296 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:17,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:17,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:17,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:17,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:17,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:17,368 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:17,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:17,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:17,371 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:17,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:17,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:17,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:17,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:17,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:17,450 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:17,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:17,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:17,453 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:17,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:17,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:17,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:17,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:17,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:17,525 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:17,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:17,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:17,527 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:17,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:17,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:17,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:17,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:17,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:17,599 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:17,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:17,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:17,602 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:17,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:17,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:17,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:17,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:17,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:17,674 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:17,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:17,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:17,676 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:17,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:17,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:17,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:17,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:17,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:17,748 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:17,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:17,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:17,751 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:17,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:17,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:17,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:17,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:17,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:17,823 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:17,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:17,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:17,826 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:17,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:17,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:17,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:17,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:17,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:17,898 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:17,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:17,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:17,900 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:17,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:17,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:17,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:17,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:17,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:17,972 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:17,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:17,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:17,975 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:17,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:17,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:17,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:18,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:18,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:18,047 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:18,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:18,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:18,050 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:18,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:18,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:18,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:18,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:18,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:18,122 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:18,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:18,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:18,125 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:18,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:18,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:18,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:18,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:18,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:18,197 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:18,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:18,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:18,200 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:18,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:18,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:18,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:18,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:18,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:18,272 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:18,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:18,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:18,274 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:18,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:18,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:18,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:18,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:18,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:18,347 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:18,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:18,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:18,349 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:18,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:18,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:18,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:18,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:18,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:18,422 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:18,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:18,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:18,425 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:18,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:18,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:18,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:18,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:18,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:18,497 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:18,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:18,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:18,500 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:18,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:18,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:18,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:18,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:18,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:18,572 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:18,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:18,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:18,575 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:18,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:18,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:18,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:18,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:18,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:18,647 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:18,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:18,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:18,650 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:18,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:18,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:18,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:18,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:18,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:18,722 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:18,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:18,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:18,725 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:18,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:18,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:18,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:18,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:18,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:18,797 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:18,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:18,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:18,800 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:18,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:18,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:18,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:18,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:18,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:18,873 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:18,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:18,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:18,875 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:18,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:18,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:18,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:18,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:18,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:18,948 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:18,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:18,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:18,951 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:18,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:18,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:18,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:18,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:18,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:19,023 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:19,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:19,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:19,026 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:19,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:19,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:19,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:19,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:19,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:19,102 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:19,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:19,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:19,104 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:19,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:19,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:19,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:19,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:19,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:19,176 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:19,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:19,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:19,179 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:19,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:19,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:19,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:19,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:19,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:19,251 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:19,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:19,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:19,254 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:19,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:19,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:19,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:19,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:19,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:19,326 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:19,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:19,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:19,328 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:19,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:19,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:19,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:19,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:19,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:19,400 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:19,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:19,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:19,403 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:19,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:19,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:19,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:19,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:19,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:19,475 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:19,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:19,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:19,478 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:19,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:19,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:19,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:19,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:19,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:19,550 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:19,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:19,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:19,553 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:19,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:19,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:19,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:19,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:19,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:19,625 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:19,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:19,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:19,628 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:19,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:19,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:19,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:19,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:19,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:19,700 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:19,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:19,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:19,703 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:19,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:19,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:19,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:19,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:19,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:19,775 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:19,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:19,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:19,778 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:19,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:19,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:19,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:19,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:19,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:19,850 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:19,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:19,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:19,853 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:19,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:19,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:19,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:19,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:19,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:19,925 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:19,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:19,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:19,928 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:19,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:19,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:19,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:19,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:19,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:20,000 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:20,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:20,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:20,003 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:20,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:20,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:20,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:20,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:20,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:20,075 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:20,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:20,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:20,078 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:20,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:20,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:20,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:20,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:20,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:20,151 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:20,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:20,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:20,153 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:20,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:20,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:20,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:20,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:20,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:20,226 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:20,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:20,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:20,229 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:20,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:20,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:20,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:20,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:20,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:20,301 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:20,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:20,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:20,304 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:20,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:20,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:20,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:20,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:20,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:20,376 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:20,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:20,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:20,379 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:20,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:20,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:20,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:20,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:20,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:20,452 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:20,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:20,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:20,455 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:20,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:20,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:20,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:20,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:20,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:20,527 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:20,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:20,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:20,530 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:20,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:20,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:20,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:20,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:20,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:20,603 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:20,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:20,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:20,606 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:20,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:20,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:20,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:20,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:20,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:20,683 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:20,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:20,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:20,686 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:20,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:20,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:20,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:20,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:20,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:20,758 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:20,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:20,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:20,761 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:20,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:20,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:20,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:20,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:20,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:20,832 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:20,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:20,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:20,835 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:20,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:20,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:20,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:20,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:20,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:20,907 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:20,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:20,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:20,910 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:20,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:20,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:20,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:20,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:20,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:20,981 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:20,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:20,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:20,984 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:20,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:20,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:20,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:21,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:21,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:21,056 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:21,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:21,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:21,059 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:21,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:21,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:21,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:21,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:21,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:21,131 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:21,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:21,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:21,134 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:21,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:21,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:21,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:21,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:21,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:21,206 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:21,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:21,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:21,209 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:21,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:21,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:21,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:21,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:21,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:21,281 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:21,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:21,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:21,283 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:21,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:21,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:21,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:21,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:21,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:21,356 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:21,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:21,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:21,358 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:21,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:21,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:21,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:21,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:21,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:21,431 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:21,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:21,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:21,434 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:21,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:21,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:21,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:21,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:21,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:21,506 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:21,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:21,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:21,509 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:21,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:21,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:21,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:21,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:21,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:21,581 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:21,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:21,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:21,584 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:21,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:21,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:21,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:21,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:21,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:21,656 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:21,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:21,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:21,659 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:21,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:21,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:21,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:21,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:21,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:21,731 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:21,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:21,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:21,734 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:21,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:21,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:21,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:21,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:21,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:21,807 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:21,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:21,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:21,810 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:21,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:21,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:21,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:21,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:21,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:21,882 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:21,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:21,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:21,885 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:21,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:21,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:21,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:21,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:21,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:21,958 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:21,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:21,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:21,960 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:21,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:21,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:21,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:21,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:22,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:22,033 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:22,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:22,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:22,036 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:22,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:22,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:22,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:22,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:22,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:22,108 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:22,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:22,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:22,111 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:22,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:22,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:22,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:22,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:22,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:22,184 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:22,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:22,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:22,187 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:22,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:22,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:22,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:22,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:22,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:22,264 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:22,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:22,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:22,267 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:22,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:22,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:22,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:22,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:22,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:22,339 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:22,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:22,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:22,342 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:22,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:22,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:22,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:22,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:22,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:22,414 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:22,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:22,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:22,417 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:22,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:22,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:22,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:22,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:22,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:22,489 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:22,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:22,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:22,492 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:22,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:22,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:22,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:22,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:22,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:22,564 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:22,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:22,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:22,566 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:22,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:22,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:22,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:22,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:22,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:22,639 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:22,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:22,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:22,641 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:22,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:22,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:22,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:22,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:22,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:22,714 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:22,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:22,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:22,716 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:22,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:22,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:22,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:22,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:22,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:22,789 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:22,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:22,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:22,792 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:22,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:22,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:22,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:22,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:22,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:22,864 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:22,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:22,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:22,866 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:22,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:22,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:22,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:22,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:22,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:22,939 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:22,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:22,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:22,942 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:22,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:22,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:22,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:22,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:22,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:23,014 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:23,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:23,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:23,017 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:23,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:23,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:23,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:23,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:23,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:23,088 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:23,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:23,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:23,091 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:23,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:23,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:23,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:23,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:23,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:23,163 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:23,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:23,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:23,166 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:23,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:23,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:23,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:23,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:23,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:23,238 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:23,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:23,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:23,241 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:23,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:23,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:23,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:23,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:23,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:23,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:23,314 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:23,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:23,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:23,317 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:23,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:23,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:23,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:23,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:23,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:23,389 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:23,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:23,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:23,392 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:23,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:23,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:23,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:23,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:23,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:23,465 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:23,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:23,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:23,468 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:23,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:23,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:23,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:23,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:23,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:23,541 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:23,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:23,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:23,544 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:23,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:23,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:23,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:23,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:23,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:23,616 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:23,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:23,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:23,619 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:23,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:23,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:23,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:23,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:23,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:23,692 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:23,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:23,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:23,695 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:23,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:23,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:23,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:23,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:23,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:23,768 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:23,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:23,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:23,771 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:23,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:23,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:23,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:23,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:23,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:23,843 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:23,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:23,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:23,852 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:23,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:23,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:23,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:23,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:23,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:23,924 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:23,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:23,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:23,927 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:23,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:23,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:23,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:23,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:23,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:23,999 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:24,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:24,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:24,002 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:24,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:24,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:24,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:24,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:24,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:24,074 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:24,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:24,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:24,077 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:24,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:24,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:24,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:24,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:24,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:24,149 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:24,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:24,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:24,152 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:24,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:24,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:24,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:24,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:24,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:24,223 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:24,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:24,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:24,226 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:24,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:24,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:24,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:24,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:24,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:24,298 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:24,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:24,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:24,301 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:24,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:24,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:24,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:24,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:24,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:24,373 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:24,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:24,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:24,376 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:24,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:24,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:24,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:24,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:24,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:24,449 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:24,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:24,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:24,451 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:24,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:24,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:24,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:24,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:24,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:24,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:24,524 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:24,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:24,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:24,526 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:24,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:24,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:24,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:24,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:24,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:24,599 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:24,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:24,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:24,602 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:24,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:24,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:24,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:24,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:24,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:24,674 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:24,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:24,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:24,677 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:24,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:24,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:24,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:24,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:24,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:24,749 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:24,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:24,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:24,752 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:24,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:24,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:24,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:24,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:24,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:24,825 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:24,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:24,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:24,828 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:24,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:24,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:24,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:24,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:24,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:24,901 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:24,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:24,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:24,903 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:24,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:24,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:24,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:24,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:24,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:24,976 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:24,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:24,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:24,979 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:24,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:24,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:24,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:25,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:25,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:25,051 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:25,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:25,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:25,054 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:25,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:25,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:25,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:25,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:25,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:25,126 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:25,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:25,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:25,129 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:25,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:25,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:25,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:25,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:25,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:25,202 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:25,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:25,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:25,205 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:25,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:25,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:25,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:25,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:25,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:25,277 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:25,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:25,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:25,280 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:25,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:25,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:25,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:25,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:25,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:25,353 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:25,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:25,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:25,356 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:25,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:25,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:25,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:25,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:25,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:25,429 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:25,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:25,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:25,432 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:25,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:25,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:25,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:25,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:25,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:25,510 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:25,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:25,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:25,513 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:25,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:25,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:25,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:25,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:25,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:25,585 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:25,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:25,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:25,587 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:25,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:25,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:25,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:25,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:25,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:25,660 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:25,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:25,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:25,662 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:25,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:25,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:25,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:25,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:25,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:25,734 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:25,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:25,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:25,737 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:25,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:25,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:25,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:25,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:25,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:25,809 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:25,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:25,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:25,812 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:25,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:25,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:25,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:25,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:25,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:25,884 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:25,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:25,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:25,887 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:25,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:25,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:25,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:25,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:25,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:25,959 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:25,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:25,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:25,962 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:25,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:25,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:25,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:26,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:26,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:26,034 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:26,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:26,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:26,037 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:26,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:26,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:26,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:26,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:26,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:26,109 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:26,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:26,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:26,112 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:26,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:26,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:26,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:26,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:26,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:26,185 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:26,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:26,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:26,187 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:26,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:26,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:26,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:26,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:26,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:26,260 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:26,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:26,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:26,263 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:26,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:26,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:26,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:26,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:26,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:26,335 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:26,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:26,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:26,338 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:26,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:26,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:26,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:26,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:26,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:26,411 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:26,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:26,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:26,414 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:26,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:26,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:26,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:26,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:26,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:26,487 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:26,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:26,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:26,490 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:26,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:26,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:26,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:26,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:26,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:26,563 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:26,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:26,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:26,565 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:26,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:26,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:26,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:26,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:26,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:26,638 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:26,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:26,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:26,641 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:26,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:26,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:26,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:26,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:26,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:26,714 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:26,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:26,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:26,717 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:26,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:26,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:26,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:26,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:26,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:26,790 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:26,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:26,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:26,793 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:26,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:26,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:26,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:26,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:26,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:26,866 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:26,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:26,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:26,869 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:26,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:26,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:26,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:26,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:26,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:26,942 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:26,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:26,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:26,945 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:26,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:26,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:26,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:26,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:26,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:27,018 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:27,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:27,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:27,020 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:27,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:27,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:27,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:27,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:27,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:27,098 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:27,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:27,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:27,101 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:27,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:27,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:27,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:27,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:27,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:27,173 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:27,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:27,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:27,176 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:27,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:27,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:27,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:27,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:27,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:27,248 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:27,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:27,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:27,251 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:27,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:27,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:27,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:27,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:27,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:27,323 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:27,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:27,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:27,326 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:27,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:27,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:27,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:27,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:27,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:27,398 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:27,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:27,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:27,401 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:27,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:27,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:27,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:27,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:27,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:27,474 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:27,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:27,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:27,476 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:27,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:27,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:27,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:27,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:27,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:27,549 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:27,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:27,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:27,552 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:27,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:27,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:27,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:27,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:27,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:27,624 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:27,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:27,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:27,627 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:27,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:27,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:27,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:27,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:27,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:27,700 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:27,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:27,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:27,702 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:27,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:27,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:27,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:27,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:27,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:27,775 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:27,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:27,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:27,778 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:27,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:27,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:27,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:27,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:27,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:27,850 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:27,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:27,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:27,853 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:27,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:27,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:27,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:27,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:27,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:27,926 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:27,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:27,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:27,928 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:27,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:27,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:27,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:27,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:27,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:28,001 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:28,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:28,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:28,004 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:28,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:28,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:28,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:28,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:28,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:28,077 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:28,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:28,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:28,080 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:28,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:28,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:28,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:28,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:28,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:28,152 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:28,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:28,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:28,155 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:28,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:28,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:28,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:28,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:28,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:28,228 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:28,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:28,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:28,231 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:28,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:28,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:28,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:28,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:28,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:28,303 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:28,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:28,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:28,306 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:28,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:28,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:28,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:28,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:28,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:28,379 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:28,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:28,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:28,382 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:28,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:28,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:28,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:28,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:28,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:28,455 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:28,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:28,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:28,458 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:28,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:28,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:28,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:28,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:28,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:28,531 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:28,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:28,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:28,534 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:28,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:28,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:28,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:28,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:28,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:28,607 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:28,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:28,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:28,610 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:28,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:28,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:28,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:28,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:28,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:28,688 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:28,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:28,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:28,691 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:28,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:28,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:28,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:28,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:28,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:28,763 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:28,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:28,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:28,765 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:28,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:28,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:28,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:28,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:28,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:28,838 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:28,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:28,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:28,841 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:28,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:28,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:28,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:28,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:28,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:28,913 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:28,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:28,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:28,916 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:28,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:28,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:28,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:28,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:28,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:28,988 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:28,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:28,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:28,991 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:28,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:28,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:28,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:29,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:29,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:29,063 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:29,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:29,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:29,066 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:29,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:29,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:29,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:29,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:29,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:29,139 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:29,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:29,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:29,142 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:29,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:29,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:29,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:29,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:29,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:29,214 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:29,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:29,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:29,217 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:29,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:29,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:29,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:29,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:29,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:29,289 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:29,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:29,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:29,292 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:29,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:29,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:29,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:29,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:29,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:29,365 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:29,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:29,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:29,368 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:29,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:29,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:29,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:29,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:29,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:29,441 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:29,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:29,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:29,444 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:29,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:29,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:29,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:29,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:29,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:29,516 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:29,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:29,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:29,519 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:29,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:29,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:29,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:29,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:29,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:29,592 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:29,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:29,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:29,595 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:29,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:29,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:29,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:29,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:29,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:29,668 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:29,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:29,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:29,670 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:29,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:29,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:29,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:29,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:29,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:29,743 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:29,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:29,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:29,746 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:29,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:29,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:29,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:29,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:29,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:29,819 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:29,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:29,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:29,822 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:29,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:29,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:29,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:29,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:29,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:29,895 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:29,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:29,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:29,897 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:29,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:29,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:29,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:29,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:29,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:29,971 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:29,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:29,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:29,973 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:29,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:29,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:29,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:30,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:30,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:30,047 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:30,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:30,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:30,049 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:30,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:30,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:30,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:30,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:30,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:30,123 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:30,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:30,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:30,125 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:30,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:30,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:30,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:30,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:30,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:30,199 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:30,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:30,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:30,201 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:30,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:30,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:30,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:30,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:30,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:30,275 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:30,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:30,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:30,283 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:30,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:30,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:30,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:30,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:30,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:30,355 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:30,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:30,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:30,358 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:30,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:30,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:30,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:30,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:30,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:30,431 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:30,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:30,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:30,434 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:30,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:30,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:30,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:30,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:30,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:30,506 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:30,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:30,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:30,509 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:30,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:30,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:30,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:30,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:30,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:30,581 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:30,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:30,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:30,584 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:30,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:30,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:30,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:30,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:30,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:30,656 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:30,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:30,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:30,659 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:30,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:30,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:30,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:30,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:30,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:30,732 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:30,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:30,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:30,734 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:30,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:30,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:30,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:30,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:30,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:30,807 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:30,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:30,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:30,810 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:30,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:30,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:30,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:30,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:30,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:30,882 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:30,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:30,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:30,885 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:30,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:30,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:30,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:30,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:30,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:30,958 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:30,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:30,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:30,960 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:30,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:30,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:30,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:31,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:31,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:31,033 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:31,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:31,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:31,036 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:31,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:31,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:31,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:31,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:31,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:31,109 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:31,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:31,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:31,111 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:31,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:31,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:31,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:31,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:31,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:31,184 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:31,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:31,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:31,187 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:31,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:31,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:31,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:31,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:31,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:31,260 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:31,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:31,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:31,263 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:31,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:31,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:31,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:31,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:31,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:31,336 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:31,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:31,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:31,338 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:31,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:31,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:31,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:31,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:31,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:31,411 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:31,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:31,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:31,414 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:31,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:31,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:31,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:31,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:31,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:31,487 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:31,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:31,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:31,490 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:31,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:31,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:31,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:31,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:31,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:31,563 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:31,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:31,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:31,566 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:31,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:31,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:31,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:31,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:31,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:31,639 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:31,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:31,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:31,642 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:31,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:31,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:31,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:31,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:31,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:31,715 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:31,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:31,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:31,718 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:31,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:31,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:31,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:31,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:31,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:31,791 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:31,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:31,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:31,794 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:31,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:31,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:31,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:31,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:31,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:31,867 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:31,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:31,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:31,870 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:31,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:31,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:31,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:31,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:31,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:31,948 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:31,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:31,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:31,951 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:31,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:31,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:31,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:31,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:31,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:32,023 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:32,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:32,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:32,026 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:32,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:32,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:32,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:32,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:32,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:32,098 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:32,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:32,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:32,101 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:32,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:32,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:32,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:32,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:32,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:32,174 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:32,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:32,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:32,176 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:32,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:32,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:32,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:32,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:32,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:32,249 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:32,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:32,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:32,252 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:32,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:32,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:32,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:32,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:32,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:32,324 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:32,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:32,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:32,327 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:32,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:32,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:32,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:32,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:32,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:32,400 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:32,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:32,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:32,402 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:32,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:32,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:32,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:32,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:32,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:32,475 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:32,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:32,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:32,478 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:32,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:32,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:32,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:32,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:32,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:32,551 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:32,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:32,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:32,553 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:32,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:32,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:32,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:32,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:32,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:32,626 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:32,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:32,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:32,629 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:32,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:32,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:32,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:32,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:32,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:32,702 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:32,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:32,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:32,704 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:32,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:32,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:32,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:32,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:32,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:32,777 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:32,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:32,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:32,780 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:32,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:32,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:32,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:32,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:32,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:32,853 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:32,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:32,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:32,856 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:32,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:32,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:32,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:32,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:32,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:32,929 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:32,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:32,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:32,931 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:32,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:32,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:32,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:32,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:32,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:33,004 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:33,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:33,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:33,007 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:33,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:33,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:33,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:33,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:33,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:33,078 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:33,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:33,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:33,081 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:33,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:33,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:33,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:33,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:33,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:33,154 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:33,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:33,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:33,156 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:33,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:33,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:33,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:33,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:33,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:33,230 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:33,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:33,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:33,232 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:33,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:33,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:33,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:33,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:33,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:33,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:33,306 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:33,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:33,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:33,308 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:33,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:33,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:33,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:33,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:33,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:33,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:33,382 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:33,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:33,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:33,384 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:33,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:33,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:33,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:33,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:33,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:33,458 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:33,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:33,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:33,461 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:33,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:33,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:33,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:33,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:33,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:33,540 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:33,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:33,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:33,543 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:33,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:33,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:33,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:33,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:33,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:33,615 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:33,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:33,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:33,618 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:33,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:33,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:33,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:33,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:33,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:33,690 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:33,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:33,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:33,693 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:33,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:33,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:33,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:33,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:33,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:33,765 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:33,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:33,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:33,768 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:33,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:33,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:33,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:33,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:33,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:33,841 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:33,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:33,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:33,843 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:33,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:33,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:33,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:33,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:33,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:33,916 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:33,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:33,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:33,919 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:33,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:33,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:33,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:33,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:33,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:33,991 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:33,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:33,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:33,994 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:33,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:33,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:33,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:34,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:34,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:34,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:34,067 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:34,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:34,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:34,070 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:34,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:34,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:34,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:34,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:34,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:34,142 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:34,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:34,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:34,145 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:34,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:34,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:34,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:34,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:34,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:34,218 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:34,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:34,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:34,221 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:34,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:34,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:34,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:34,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:34,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:34,293 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:34,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:34,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:34,296 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:34,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:34,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:34,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:34,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:34,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:34,369 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:34,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:34,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:34,372 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:34,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:34,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:34,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:34,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:34,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:34,445 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:34,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:34,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:34,448 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:34,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:34,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:34,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:34,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:34,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:34,521 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:34,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:34,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:34,524 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:34,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:34,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:34,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:34,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:34,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:34,597 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:34,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:34,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:34,600 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:34,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:34,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:34,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:34,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:34,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:34,673 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:34,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:34,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:34,676 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:34,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:34,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:34,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:34,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:34,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:34,749 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:34,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:34,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:34,752 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:34,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:34,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:34,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:34,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:34,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:34,826 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:34,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:34,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:34,829 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:34,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:34,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:34,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:34,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:34,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:34,902 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:34,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:34,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:34,905 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:34,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:34,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:34,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:34,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:34,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:34,978 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:34,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:34,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:34,981 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:34,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:34,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:34,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:35,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:35,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:35,054 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:35,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:35,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:35,057 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:35,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:35,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:35,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:35,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:35,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:35,131 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:35,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:35,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:35,141 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:35,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:35,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:35,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:35,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:35,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:35,214 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:35,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:35,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:35,217 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:35,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:35,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:35,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:35,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:35,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:35,289 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:35,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:35,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:35,292 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:35,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:35,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:35,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:35,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:35,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:35,365 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:35,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:35,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:35,367 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:35,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:35,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:35,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:35,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:35,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:35,440 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:35,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:35,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:35,443 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:35,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:35,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:35,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:35,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:35,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:35,516 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:35,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:35,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:35,519 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:35,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:35,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:35,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:35,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:35,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:35,591 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:35,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:35,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:35,594 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:35,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:35,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:35,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:35,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:35,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:35,667 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:35,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:35,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:35,670 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:35,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:35,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:35,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:35,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:35,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:35,742 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:35,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:35,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:35,745 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:35,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:35,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:35,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:35,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:35,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:35,818 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:35,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:35,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:35,821 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:35,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:35,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:35,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:35,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:35,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:35,894 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:35,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:35,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:35,896 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:35,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:35,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:35,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:35,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:35,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:35,969 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:35,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:35,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:35,972 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:35,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:35,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:35,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:36,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:36,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:36,045 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:36,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:36,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:36,048 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:36,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:36,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:36,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:36,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:36,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:36,121 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:36,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:36,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:36,124 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:36,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:36,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:36,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:36,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:36,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:36,197 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:36,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:36,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:36,200 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:36,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:36,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:36,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:36,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:36,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:36,273 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:36,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:36,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:36,276 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:36,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:36,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:36,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:36,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:36,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:36,349 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:36,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:36,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:36,352 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:36,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:36,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:36,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:36,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:36,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:36,426 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:36,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:36,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:36,429 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:36,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:36,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:36,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:36,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:36,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:36,502 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:36,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:36,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:36,505 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:36,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:36,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:36,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:36,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:36,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:36,578 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:36,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:36,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:36,581 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:36,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:36,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:36,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:36,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:36,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:36,654 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:36,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:36,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:36,657 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:36,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:36,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:36,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:36,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:36,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:36,730 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:36,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:36,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:36,733 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:36,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:36,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:36,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:36,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:36,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:36,811 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:36,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:36,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:36,814 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:36,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:36,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:36,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:36,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:36,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:36,886 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:36,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:36,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:36,889 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:36,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:36,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:36,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:36,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:36,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:36,961 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:36,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:36,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:36,964 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:36,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:36,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:36,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:37,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:37,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:37,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:37,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:37,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:37,040 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:37,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:37,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:37,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:37,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:37,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:37,112 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:37,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:37,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:37,115 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:37,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:37,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:37,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:37,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:37,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:37,188 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:37,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:37,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:37,191 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:37,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:37,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:37,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:37,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:37,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:37,263 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:37,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:37,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:37,266 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:37,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:37,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:37,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:37,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:37,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:37,339 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:37,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:37,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:37,342 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:37,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:37,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:37,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:37,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:37,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:37,415 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:37,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:37,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:37,418 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:37,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:37,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:37,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:37,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:37,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:37,491 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:37,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:37,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:37,493 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:37,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:37,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:37,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:37,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:37,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:37,566 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:37,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:37,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:37,569 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:37,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:37,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:37,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:37,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:37,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:37,642 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:37,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:37,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:37,645 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:37,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:37,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:37,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:37,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:37,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:37,718 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:37,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:37,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:37,721 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:37,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:37,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:37,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:37,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:37,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:37,794 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:37,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:37,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:37,796 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:37,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:37,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:37,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:37,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:37,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:37,870 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:37,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:37,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:37,873 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:37,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:37,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:37,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:37,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:37,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:37,946 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:37,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:37,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:37,949 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:37,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:37,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:37,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:37,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:37,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:38,022 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:38,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:38,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:38,025 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:38,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:38,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:38,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:38,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:38,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:38,098 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:38,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:38,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:38,101 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:38,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:38,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:38,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:38,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:38,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:38,174 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:38,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:38,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:38,177 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:38,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:38,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:38,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:38,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:38,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:38,250 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:38,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:38,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:38,253 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:38,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:38,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:38,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:38,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:38,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:38,327 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:38,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:38,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:38,329 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:38,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:38,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:38,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:38,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:38,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:38,408 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:38,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:38,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:38,411 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:38,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:38,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:38,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:38,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:38,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:38,484 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:38,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:38,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:38,486 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:38,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:38,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:38,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:38,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:38,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:38,559 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:38,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:38,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:38,562 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:38,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:38,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:38,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:38,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:38,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:38,634 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:38,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:38,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:38,637 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:38,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:38,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:38,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:38,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:38,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:38,710 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:38,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:38,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:38,713 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:38,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:38,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:38,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:38,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:38,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:38,786 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:38,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:38,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:38,788 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:38,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:38,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:38,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:38,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:38,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:38,861 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:38,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:38,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:38,864 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:38,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:38,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:38,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:38,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:38,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:38,937 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:38,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:38,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:38,940 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:38,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:38,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:38,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:38,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:38,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:39,013 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:39,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:39,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:39,016 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:39,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:39,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:39,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:39,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:39,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:39,088 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:39,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:39,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:39,091 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:39,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:39,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:39,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:39,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:39,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:39,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:39,165 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:39,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:39,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:39,167 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:39,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:39,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:39,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:39,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:39,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:39,240 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:39,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:39,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:39,243 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:39,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:39,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:39,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:39,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:39,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:39,316 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:39,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:39,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:39,319 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:39,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:39,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:39,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:39,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:39,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:39,392 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:39,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:39,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:39,395 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:39,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:39,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:39,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:39,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:39,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:39,469 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:39,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:39,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:39,472 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:39,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:39,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:39,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:39,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:39,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:39,545 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:39,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:39,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:39,548 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:39,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:39,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:39,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:39,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:39,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:39,621 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:39,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:39,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:39,624 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:39,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:39,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:39,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:39,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:39,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:39,697 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:39,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:39,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:39,700 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:39,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:39,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:39,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:39,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:39,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:39,774 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:39,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:39,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:39,777 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:39,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:39,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:39,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:39,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:39,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:39,850 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:39,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:39,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:39,853 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:39,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:39,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:39,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:39,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:39,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:39,927 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:39,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:39,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:39,929 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:39,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:39,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:39,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:39,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:39,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:40,009 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:40,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:40,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:40,012 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:40,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:40,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:40,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:40,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:40,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:40,084 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:40,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:40,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:40,087 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:40,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:40,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:40,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:40,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:40,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:40,160 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:40,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:40,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:40,162 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:40,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:40,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:40,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:40,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:40,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:40,235 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:40,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:40,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:40,238 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:40,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:40,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:40,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:40,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:40,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:40,311 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:40,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:40,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:40,314 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:40,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:40,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:40,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:40,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:40,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:40,386 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:40,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:40,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:40,388 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:40,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:40,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:40,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:40,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:40,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:40,460 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:40,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:40,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:40,463 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:40,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:40,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:40,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:40,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:40,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:40,536 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:40,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:40,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:40,539 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:40,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:40,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:40,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:40,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:40,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:40,611 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:40,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:40,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:40,614 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:40,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:40,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:40,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:40,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:40,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:40,687 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:40,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:40,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:40,690 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:40,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:40,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:40,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:40,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:40,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:40,763 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:40,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:40,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:40,766 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:40,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:40,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:40,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:40,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:40,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:40,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:40,838 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:40,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:40,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:40,841 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:40,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:40,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:40,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:40,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:40,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:40,914 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:40,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:40,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:40,917 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:40,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:40,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:40,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:40,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:40,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:40,990 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:40,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:40,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:40,993 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:40,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:40,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:40,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:41,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:41,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:41,064 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:41,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:41,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:41,067 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:41,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:41,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:41,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:41,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:41,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:41,140 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:41,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:41,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:41,143 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:41,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:41,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:41,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:41,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:41,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:41,213 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:41,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:41,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:41,216 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:41,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:41,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:41,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:41,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:41,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:41,287 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:41,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:41,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:41,289 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:41,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:41,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:41,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:41,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:41,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:41,360 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:41,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:41,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:41,363 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:41,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:41,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:41,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:41,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:41,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:41,436 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:41,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:41,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:41,439 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:41,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:41,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:41,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:41,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:41,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:41,515 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:41,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:41,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:41,518 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:41,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:41,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:41,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:41,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:41,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:41,593 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:41,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:41,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:41,601 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:41,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:41,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:41,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:41,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:41,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:41,675 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:41,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:41,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:41,678 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:41,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:41,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:41,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:41,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:41,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:41,750 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:41,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:41,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:41,753 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:41,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:41,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:41,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:41,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:41,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:41,826 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:41,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:41,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:41,829 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:41,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:41,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:41,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:41,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:41,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:41,902 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:41,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:41,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:41,905 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:41,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:41,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:41,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:41,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:41,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:41,979 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:41,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:41,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:41,981 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:41,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:41,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:41,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:42,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:42,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:42,054 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:42,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:42,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:42,056 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:42,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:42,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:42,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:42,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:42,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:42,128 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:42,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:42,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:42,131 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:42,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:42,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:42,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:42,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:42,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:42,202 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:42,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:42,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:42,205 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:42,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:42,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:42,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:42,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:42,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:42,277 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:42,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:42,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:42,280 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:42,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:42,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:42,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:42,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:42,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:42,357 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:42,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:42,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:42,360 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:42,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:42,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:42,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:42,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:42,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:42,436 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:42,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:42,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:42,439 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:42,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:42,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:42,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:42,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:42,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:42,511 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:42,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:42,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:42,514 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:42,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:42,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:42,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:42,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:42,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:42,587 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:42,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:42,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:42,590 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:42,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:42,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:42,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:42,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:42,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:42,665 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:42,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:42,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:42,667 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:42,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:42,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:42,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:42,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:42,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:42,739 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:42,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:42,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:42,742 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:42,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:42,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:42,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:42,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:42,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:42,813 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:42,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:42,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:42,816 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:42,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:42,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:42,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:42,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:42,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:42,889 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:42,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:42,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:42,892 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:42,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:42,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:42,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:42,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:42,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:42,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:42,970 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:42,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:42,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:42,973 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:42,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:42,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:42,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:43,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:43,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:43,046 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:43,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:43,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:43,049 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:43,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:43,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:43,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:43,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:43,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:43,121 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:43,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:43,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:43,124 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:43,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:43,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:43,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:43,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:43,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:43,197 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:43,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:43,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:43,200 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:43,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:43,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:43,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:43,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:43,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:43,279 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:43,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:43,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:43,282 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:43,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:43,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:43,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:43,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:43,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:43,355 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:43,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:43,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:43,357 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:43,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:43,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:43,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:43,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:43,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:43,429 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:43,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:43,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:43,432 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:43,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:43,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:43,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:43,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:43,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:43,504 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:43,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:43,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:43,507 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:43,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:43,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:43,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:43,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:43,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:43,578 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:43,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:43,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:43,581 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:43,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:43,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:43,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:43,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:43,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:43,652 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:43,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:43,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:43,654 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:43,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:43,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:43,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:43,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:43,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:43,726 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:43,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:43,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:43,729 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:43,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:43,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:43,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:43,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:43,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:43,801 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:43,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:43,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:43,804 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:43,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:43,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:43,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:43,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:43,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:43,877 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:43,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:43,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:43,880 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:43,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:43,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:43,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:43,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:43,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:43,954 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:43,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:43,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:43,957 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:43,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:43,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:43,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:43,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:43,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:44,030 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:44,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:44,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:44,032 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:44,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:44,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:44,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:44,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:44,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:44,106 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:44,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:44,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:44,108 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:44,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:44,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:44,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:44,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:44,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:44,179 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:44,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:44,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:44,181 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:44,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:44,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:44,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:44,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:44,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:44,252 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:44,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:44,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:44,254 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:44,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:44,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:44,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:44,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:44,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:44,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:44,324 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:44,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:44,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:44,327 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:44,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:44,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:44,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:44,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:44,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:44,397 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:44,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:44,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:44,400 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:44,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:44,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:44,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:44,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:44,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:44,470 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:44,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:44,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:44,473 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:44,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:44,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:44,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:44,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:44,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:44,543 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:44,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:44,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:44,546 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:44,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:44,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:44,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:44,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:44,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:44,616 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:44,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:44,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:44,619 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:44,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:44,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:44,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:44,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:44,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:44,689 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:44,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:44,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:44,692 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:44,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:44,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:44,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:44,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:44,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:44,762 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:44,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:44,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:44,765 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:44,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:44,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:44,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:44,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:44,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:44,842 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:44,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:44,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:44,845 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:44,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:44,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:44,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:44,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:44,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:44,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:44,914 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:44,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:44,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:44,917 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:44,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:44,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:44,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:44,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:44,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:44,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:44,987 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:44,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:44,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:44,989 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:44,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:44,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:44,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:45,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:45,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:45,059 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:45,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:45,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:45,062 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:45,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:45,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:45,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:45,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:45,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:45,131 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:45,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:45,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:45,134 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:45,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:45,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:45,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:45,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:45,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:45,204 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:45,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:45,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:45,206 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:45,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:45,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:45,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:45,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:45,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:45,276 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:45,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:45,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:45,279 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:45,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:45,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:45,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:45,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:45,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:45,348 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:45,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:45,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:45,351 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:45,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:45,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:45,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:45,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:45,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:45,421 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:45,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:45,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:45,424 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:45,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:45,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:45,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:45,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:45,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:45,494 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:45,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:45,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:45,497 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:45,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:45,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:45,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:45,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:45,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:45,566 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:45,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:45,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:45,569 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:45,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:45,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:45,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:45,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:45,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:45,639 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:45,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:45,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:45,642 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:45,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:45,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:45,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:45,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:45,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:45,712 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:45,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:45,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:45,714 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:45,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:45,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:45,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:45,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:45,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:45,784 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:45,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:45,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:45,787 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:45,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:45,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:45,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:45,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:45,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:45,857 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:45,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:45,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:45,860 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:45,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:45,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:45,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:45,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:45,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:45,930 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:45,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:45,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:45,933 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:45,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:45,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:45,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:45,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:45,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:46,003 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:46,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:46,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:46,005 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:46,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:46,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:46,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:46,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:46,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:46,076 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:46,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:46,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:46,078 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:46,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:46,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:46,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:46,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:46,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:46,149 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:46,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:46,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:46,152 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:46,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:46,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:46,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:46,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:46,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:46,222 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:46,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:46,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:46,225 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:46,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:46,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:46,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:46,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:46,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:46,295 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:46,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:46,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:46,298 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:46,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:46,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:46,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:46,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:46,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:46,373 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:46,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:46,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:46,376 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:46,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:46,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:46,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:46,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:46,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:46,446 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:46,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:46,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:46,449 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:46,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:46,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:46,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:46,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:46,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:46,518 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:46,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:46,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:46,521 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:46,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:46,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:46,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:46,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:46,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:46,591 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:46,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:46,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:46,593 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:46,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:46,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:46,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:46,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:46,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:46,663 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:46,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:46,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:46,666 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:46,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:46,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:46,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:46,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:46,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:46,735 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:46,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:46,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:46,738 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:46,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:46,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:46,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:46,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:46,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:46,807 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:46,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:46,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:46,810 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:46,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:46,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:46,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:46,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:46,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:46,880 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:46,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:46,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:46,883 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:46,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:46,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:46,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:46,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:46,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:46,952 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:46,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:46,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:46,955 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:46,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:46,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:46,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:46,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:46,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:47,025 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:47,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:47,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:47,028 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:47,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:47,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:47,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:47,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:47,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:47,097 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:47,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:47,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:47,100 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:47,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:47,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:47,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:47,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:47,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:47,170 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:47,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:47,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:47,173 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:47,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:47,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:47,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:47,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:47,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:47,243 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:47,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:47,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:47,246 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:47,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:47,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:47,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:47,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:47,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:47,316 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:47,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:47,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:47,318 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:47,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:47,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:47,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:47,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:47,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:47,389 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:47,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:47,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:47,391 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:47,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:47,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:47,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:47,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:47,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:47,462 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:47,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:47,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:47,464 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:47,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:47,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:47,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:47,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:47,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:47,534 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:47,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:47,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:47,537 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:47,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:47,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:47,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:47,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:47,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:47,607 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:47,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:47,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:47,610 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:47,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:47,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:47,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:47,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:47,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:47,680 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:47,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:47,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:47,683 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:47,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:47,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:47,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:47,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:47,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:47,754 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:47,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:47,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:47,756 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:47,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:47,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:47,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:47,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:47,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:47,827 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:47,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:47,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:47,829 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:47,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:47,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:47,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:47,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:47,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:47,900 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:47,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:47,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:47,902 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:47,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:47,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:47,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:47,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:47,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:47,978 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:47,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:47,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:47,981 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:47,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:47,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:47,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:48,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:48,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:48,050 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:48,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:48,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:48,053 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:48,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:48,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:48,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:48,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:48,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:48,123 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:48,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:48,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:48,125 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:48,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:48,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:48,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:48,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:48,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:48,195 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:48,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:48,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:48,198 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:48,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:48,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:48,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:48,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:48,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:48,268 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:48,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:48,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:48,270 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:48,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:48,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:48,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:48,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:48,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:48,340 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:48,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:48,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:48,343 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:48,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:48,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:48,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:48,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:48,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:48,413 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:48,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:48,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:48,416 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:48,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:48,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:48,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:48,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:48,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:48,486 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:48,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:48,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:48,488 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:48,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:48,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:48,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:48,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:48,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:48,558 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:48,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:48,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:48,561 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:48,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:48,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:48,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:48,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:48,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:48,631 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:48,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:48,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:48,634 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:48,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:48,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:48,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:48,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:48,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:48,704 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:48,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:48,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:48,706 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:48,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:48,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:48,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:48,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:48,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:48,776 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:48,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:48,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:48,779 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:48,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:48,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:48,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:48,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:48,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:48,849 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:48,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:48,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:48,852 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:48,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:48,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:48,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:48,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:48,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:48,922 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:48,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:48,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:48,925 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:48,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:48,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:48,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:48,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:48,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:48,995 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:48,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:48,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:48,997 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:48,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:48,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:48,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:49,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:49,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:49,068 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:49,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:49,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:49,070 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:49,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:49,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:49,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:49,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:49,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:49,141 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:49,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:49,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:49,143 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:49,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:49,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:49,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:49,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:49,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:49,214 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:49,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:49,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:49,216 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:49,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:49,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:49,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:49,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:49,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:49,287 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:49,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:49,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:49,290 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:49,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:49,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:49,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:49,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:49,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:49,360 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:49,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:49,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:49,363 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:49,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:49,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:49,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:49,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:49,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:49,433 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:49,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:49,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:49,436 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:49,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:49,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:49,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:49,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:49,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:49,511 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:49,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:49,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:49,514 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:49,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:49,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:49,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:49,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:49,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:49,584 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:49,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:49,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:49,586 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:49,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:49,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:49,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:49,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:49,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:49,656 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:49,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:49,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:49,659 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:49,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:49,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:49,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:49,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:49,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:49,728 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:49,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:49,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:49,731 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:49,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:49,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:49,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:49,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:49,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:49,801 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:49,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:49,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:49,803 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:49,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:49,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:49,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:49,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:49,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:49,873 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:49,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:49,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:49,876 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:49,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:49,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:49,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:49,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:49,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:49,946 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:49,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:49,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:49,949 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:49,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:49,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:49,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:49,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:49,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:50,018 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:50,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:50,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:50,021 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:50,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:50,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:50,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:50,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:50,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:50,091 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:50,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:50,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:50,094 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:50,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:50,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:50,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:50,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:50,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:50,164 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:50,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:50,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:50,166 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:50,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:50,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:50,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:50,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:50,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:50,236 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:50,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:50,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:50,239 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:50,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:50,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:50,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:50,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:50,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:50,309 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:50,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:50,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:50,312 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:50,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:50,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:50,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:50,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:50,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:50,382 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:50,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:50,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:50,385 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:50,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:50,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:50,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:50,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:50,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:50,455 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:50,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:50,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:50,458 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:50,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:50,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:50,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:50,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:50,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:50,528 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:50,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:50,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:50,531 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:50,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:50,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:50,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:50,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:50,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:50,602 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:50,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:50,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:50,604 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:50,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:50,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:50,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:50,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:50,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:50,675 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:50,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:50,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:50,678 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:50,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:50,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:50,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:50,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:50,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:50,748 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:50,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:50,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:50,751 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:50,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:50,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:50,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:50,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:50,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:50,821 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:50,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:50,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:50,824 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:50,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:50,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:50,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:50,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:50,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:50,894 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:50,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:50,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:50,897 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:50,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:50,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:50,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:50,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:50,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:50,967 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:50,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:50,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:50,970 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:50,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:50,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:50,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:51,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:51,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:51,047 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:51,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:51,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:51,050 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:51,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:51,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:51,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:51,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:51,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:51,119 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:51,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:51,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:51,122 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:51,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:51,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:51,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:51,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:51,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:51,192 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:51,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:51,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:51,194 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:51,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:51,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:51,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:51,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:51,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:51,264 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:51,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:51,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:51,267 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:51,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:51,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:51,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:51,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:51,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:51,336 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:51,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:51,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:51,339 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:51,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:51,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:51,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:51,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:51,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:51,409 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:51,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:51,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:51,412 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:51,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:51,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:51,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:51,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:51,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:51,482 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:51,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:51,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:51,485 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:51,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:51,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:51,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:51,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:51,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:51,555 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:51,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:51,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:51,557 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:51,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:51,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:51,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:51,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:51,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:51,627 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:51,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:51,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:51,630 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:51,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:51,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:51,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:51,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:51,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:51,700 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:51,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:51,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:51,703 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:51,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:51,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:51,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:51,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:51,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:51,773 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:51,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:51,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:51,776 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:51,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:51,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:51,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:51,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:51,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:51,846 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:51,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:51,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:51,849 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:51,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:51,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:51,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:51,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:51,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:51,918 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:51,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:51,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:51,921 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:51,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:51,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:51,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:51,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:51,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:51,991 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:51,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:51,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:51,994 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:51,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:51,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:51,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:52,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:52,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:52,065 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:52,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:52,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:52,067 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:52,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:52,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:52,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:52,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:52,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:52,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:52,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:52,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:52,140 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:52,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:52,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:52,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:52,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:52,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:52,211 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:52,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:52,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:52,214 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:52,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:52,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:52,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:52,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:52,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:52,284 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:52,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:52,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:52,287 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:52,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:52,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:52,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:52,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:52,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:52,357 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:52,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:52,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:52,360 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:52,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:52,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:52,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:52,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:52,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:52,431 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:52,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:52,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:52,434 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:52,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:52,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:52,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:52,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:52,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:52,504 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:52,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:52,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:52,507 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:52,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:52,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:52,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:52,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:52,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:52,578 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:52,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:52,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:52,586 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:52,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:52,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:52,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:52,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:52,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:52,656 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:52,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:52,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:52,659 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:52,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:52,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:52,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:52,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:52,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:52,728 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:52,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:52,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:52,731 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:52,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:52,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:52,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:52,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:52,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:52,801 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:52,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:52,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:52,804 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:52,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:52,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:52,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:52,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:52,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:52,873 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:52,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:52,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:52,876 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:52,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:52,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:52,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:52,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:35:52,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:52,946 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:35:52,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:52,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-11-22 23:35:52,949 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-22 23:35:52,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:35:52,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:52,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms