./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound50.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_f89ff4db-b5d1-4726-bfec-b57d72aeae8c/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89ff4db-b5d1-4726-bfec-b57d72aeae8c/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_f89ff4db-b5d1-4726-bfec-b57d72aeae8c/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89ff4db-b5d1-4726-bfec-b57d72aeae8c/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89ff4db-b5d1-4726-bfec-b57d72aeae8c/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_f89ff4db-b5d1-4726-bfec-b57d72aeae8c/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 0bcbcb4a55258889434b8bf703da9ec6fb29d07a2fbacad968a5ab15e005b314 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:36:04,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:36:04,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:36:04,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:36:04,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:36:04,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:36:04,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:36:04,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:36:04,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:36:04,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:36:04,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:36:04,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:36:04,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:36:04,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:36:04,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:36:04,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:36:04,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:36:04,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:36:04,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:36:04,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:36:04,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:36:04,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:36:04,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:36:04,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:36:04,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:36:04,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:36:04,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:36:04,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:36:04,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:36:04,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:36:04,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:36:04,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:36:04,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:36:04,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:36:04,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:36:04,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:36:04,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:36:04,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:36:04,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:36:04,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:36:04,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:36:04,281 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89ff4db-b5d1-4726-bfec-b57d72aeae8c/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:36:04,329 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:36:04,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:36:04,330 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:36:04,331 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:36:04,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:36:04,332 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:36:04,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:36:04,332 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:36:04,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:36:04,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:36:04,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:36:04,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:36:04,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:36:04,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:36:04,340 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:36:04,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:36:04,341 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:36:04,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:36:04,341 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:36:04,341 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:36:04,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:36:04,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:36:04,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:36:04,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:36:04,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:36:04,343 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:36:04,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:36:04,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:36:04,343 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_f89ff4db-b5d1-4726-bfec-b57d72aeae8c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89ff4db-b5d1-4726-bfec-b57d72aeae8c/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bcbcb4a55258889434b8bf703da9ec6fb29d07a2fbacad968a5ab15e005b314 [2021-11-23 00:36:04,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:36:04,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:36:04,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:36:04,665 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:36:04,666 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:36:04,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89ff4db-b5d1-4726-bfec-b57d72aeae8c/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound50.c [2021-11-23 00:36:04,729 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89ff4db-b5d1-4726-bfec-b57d72aeae8c/bin/ukojak-LBtLqBUTdQ/data/e8c685de3/f69a4a0b87f44228a5797d0f66b704e7/FLAG2fbb896c6 [2021-11-23 00:36:05,153 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:36:05,154 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89ff4db-b5d1-4726-bfec-b57d72aeae8c/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound50.c [2021-11-23 00:36:05,160 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89ff4db-b5d1-4726-bfec-b57d72aeae8c/bin/ukojak-LBtLqBUTdQ/data/e8c685de3/f69a4a0b87f44228a5797d0f66b704e7/FLAG2fbb896c6 [2021-11-23 00:36:05,539 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89ff4db-b5d1-4726-bfec-b57d72aeae8c/bin/ukojak-LBtLqBUTdQ/data/e8c685de3/f69a4a0b87f44228a5797d0f66b704e7 [2021-11-23 00:36:05,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:36:05,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:36:05,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:36:05,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:36:05,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:36:05,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:36:05" (1/1) ... [2021-11-23 00:36:05,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@394fef95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:05, skipping insertion in model container [2021-11-23 00:36:05,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:36:05" (1/1) ... [2021-11-23 00:36:05,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:36:05,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:36:05,738 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_f89ff4db-b5d1-4726-bfec-b57d72aeae8c/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound50.c[588,601] [2021-11-23 00:36:05,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:36:05,769 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:36:05,782 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_f89ff4db-b5d1-4726-bfec-b57d72aeae8c/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound50.c[588,601] [2021-11-23 00:36:05,794 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:36:05,807 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:36:05,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:05 WrapperNode [2021-11-23 00:36:05,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:36:05,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:36:05,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:36:05,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:36:05,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:05" (1/1) ... [2021-11-23 00:36:05,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:05" (1/1) ... [2021-11-23 00:36:05,883 INFO L137 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2021-11-23 00:36:05,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:36:05,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:36:05,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:36:05,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:36:05,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:05" (1/1) ... [2021-11-23 00:36:05,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:05" (1/1) ... [2021-11-23 00:36:05,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:05" (1/1) ... [2021-11-23 00:36:05,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:05" (1/1) ... [2021-11-23 00:36:05,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:05" (1/1) ... [2021-11-23 00:36:05,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:05" (1/1) ... [2021-11-23 00:36:05,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:05" (1/1) ... [2021-11-23 00:36:05,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:36:05,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:36:05,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:36:05,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:36:05,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:05" (1/1) ... [2021-11-23 00:36:05,946 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:36:05,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89ff4db-b5d1-4726-bfec-b57d72aeae8c/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:36:05,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89ff4db-b5d1-4726-bfec-b57d72aeae8c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:36:05,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89ff4db-b5d1-4726-bfec-b57d72aeae8c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:36:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:36:06,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:36:06,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:36:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:36:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 00:36:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 00:36:06,098 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:36:06,100 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:36:06,229 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:36:06,262 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:36:06,262 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:36:06,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:36:06 BoogieIcfgContainer [2021-11-23 00:36:06,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:36:06,265 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:36:06,265 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:36:06,278 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:36:06,279 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:36:06" (1/1) ... [2021-11-23 00:36:06,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:36:06,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:06,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2021-11-23 00:36:06,351 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2021-11-23 00:36:06,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:36:06,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:06,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:06,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:06,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:06,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 46 transitions. [2021-11-23 00:36:06,746 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2021-11-23 00:36:06,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:36:06,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:06,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:06,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:36:06,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:06,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:07,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:07,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 52 transitions. [2021-11-23 00:36:07,144 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2021-11-23 00:36:07,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:36:07,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:07,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:07,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:36:07,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:07,336 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:36:07,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:07,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 61 transitions. [2021-11-23 00:36:07,662 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2021-11-23 00:36:07,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:36:07,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:07,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:07,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:36:07,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:07,863 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:36:08,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:08,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 66 transitions. [2021-11-23 00:36:08,099 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 66 transitions. [2021-11-23 00:36:08,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:36:08,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:08,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:08,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:36:08,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:08,272 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:36:08,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:08,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 36 states and 69 transitions. [2021-11-23 00:36:08,333 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2021-11-23 00:36:08,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:36:08,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:08,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:08,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:36:08,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:08,599 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:36:09,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:09,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 66 transitions. [2021-11-23 00:36:09,128 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2021-11-23 00:36:09,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:36:09,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:09,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:09,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:36:09,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:09,340 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 00:36:09,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:09,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 44 states and 81 transitions. [2021-11-23 00:36:09,958 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2021-11-23 00:36:09,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:36:09,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:09,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:09,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:36:09,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:10,285 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:36:10,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:10,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 88 transitions. [2021-11-23 00:36:10,770 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 88 transitions. [2021-11-23 00:36:10,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:36:10,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:10,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:10,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:36:10,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:11,033 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:36:11,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:11,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 52 states and 96 transitions. [2021-11-23 00:36:11,623 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 96 transitions. [2021-11-23 00:36:11,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:36:11,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:11,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:11,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:36:11,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:12,042 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 00:36:12,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:12,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 53 states and 98 transitions. [2021-11-23 00:36:12,592 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 98 transitions. [2021-11-23 00:36:12,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:36:12,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:12,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:12,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:36:12,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:12,809 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 00:36:13,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:13,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 54 states and 101 transitions. [2021-11-23 00:36:13,598 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 101 transitions. [2021-11-23 00:36:13,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:36:13,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:13,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:13,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:36:13,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:13,774 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-23 00:36:14,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:14,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 54 states and 100 transitions. [2021-11-23 00:36:14,026 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2021-11-23 00:36:14,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:36:14,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:14,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:14,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 00:36:14,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:14,556 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:36:14,573 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 00:36:15,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:15,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 57 states and 106 transitions. [2021-11-23 00:36:15,745 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 106 transitions. [2021-11-23 00:36:15,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:36:15,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:15,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:15,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:36:15,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:16,227 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 00:36:16,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:16,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 60 states and 112 transitions. [2021-11-23 00:36:16,789 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 112 transitions. [2021-11-23 00:36:16,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:36:16,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:16,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:16,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 00:36:16,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:17,356 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 00:36:18,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:18,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 61 states and 115 transitions. [2021-11-23 00:36:18,078 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 115 transitions. [2021-11-23 00:36:18,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 00:36:18,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:18,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:18,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:36:18,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:18,506 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 00:36:19,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:19,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 65 states and 122 transitions. [2021-11-23 00:36:19,420 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2021-11-23 00:36:19,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 00:36:19,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:19,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:19,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:36:19,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:20,005 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 26 proven. 7 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 00:36:20,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:20,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 127 transitions. [2021-11-23 00:36:20,843 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 127 transitions. [2021-11-23 00:36:20,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 00:36:20,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:20,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:20,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:36:20,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:21,278 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 26 proven. 17 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 00:36:21,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:21,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 68 states and 129 transitions. [2021-11-23 00:36:21,921 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 129 transitions. [2021-11-23 00:36:21,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 00:36:21,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:21,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:21,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:36:21,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:22,320 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 55 proven. 13 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2021-11-23 00:36:22,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:22,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 70 states and 132 transitions. [2021-11-23 00:36:22,971 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 132 transitions. [2021-11-23 00:36:22,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 00:36:22,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:22,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:23,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:36:23,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:23,314 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 28 proven. 19 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-23 00:36:23,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:23,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 71 states and 135 transitions. [2021-11-23 00:36:23,659 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 135 transitions. [2021-11-23 00:36:23,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 00:36:23,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:23,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:23,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:36:23,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:24,098 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 55 proven. 19 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-11-23 00:36:25,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:25,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 73 states and 138 transitions. [2021-11-23 00:36:25,041 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 138 transitions. [2021-11-23 00:36:25,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 00:36:25,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:25,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:25,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:36:25,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:25,260 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2021-11-23 00:36:25,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:25,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 73 states and 137 transitions. [2021-11-23 00:36:25,558 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 137 transitions. [2021-11-23 00:36:25,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 00:36:25,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:25,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:25,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:25,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:26,292 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 32 proven. 21 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 00:36:28,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:28,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 76 states and 143 transitions. [2021-11-23 00:36:28,014 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 143 transitions. [2021-11-23 00:36:28,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 00:36:28,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:28,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:28,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 00:36:28,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:28,724 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 32 proven. 30 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 00:36:29,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:29,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 79 states and 149 transitions. [2021-11-23 00:36:29,581 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 149 transitions. [2021-11-23 00:36:29,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 00:36:29,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:29,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:29,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:36:29,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:30,365 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 34 proven. 21 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-23 00:36:31,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:31,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 80 states and 152 transitions. [2021-11-23 00:36:31,538 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 152 transitions. [2021-11-23 00:36:31,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 00:36:31,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:31,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:31,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:36:31,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:32,365 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 34 proven. 33 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-23 00:36:33,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:33,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 84 states and 159 transitions. [2021-11-23 00:36:33,620 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 159 transitions. [2021-11-23 00:36:33,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 00:36:33,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:33,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:33,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:36:33,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:34,219 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 36 proven. 21 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 00:36:35,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:35,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 86 states and 163 transitions. [2021-11-23 00:36:35,504 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 163 transitions. [2021-11-23 00:36:35,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 00:36:35,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:35,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:35,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:36:35,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:36,075 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 00:36:37,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:37,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 87 states and 165 transitions. [2021-11-23 00:36:37,012 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 165 transitions. [2021-11-23 00:36:37,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 00:36:37,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:37,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:37,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:36:37,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:37,484 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 38 proven. 39 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 00:36:37,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:37,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 88 states and 168 transitions. [2021-11-23 00:36:37,955 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 168 transitions. [2021-11-23 00:36:37,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 00:36:37,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:37,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:37,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:36:37,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:38,191 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 99 proven. 13 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2021-11-23 00:36:38,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:38,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 88 states and 167 transitions. [2021-11-23 00:36:38,587 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 167 transitions. [2021-11-23 00:36:38,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 00:36:38,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:38,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:38,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:36:38,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:39,486 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 00:36:41,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:41,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 91 states and 173 transitions. [2021-11-23 00:36:41,850 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 173 transitions. [2021-11-23 00:36:41,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 00:36:41,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:41,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:41,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:36:41,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:42,727 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 42 proven. 54 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 00:36:43,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:43,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 94 states and 179 transitions. [2021-11-23 00:36:43,954 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 179 transitions. [2021-11-23 00:36:43,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-23 00:36:43,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:43,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:44,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:36:44,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:45,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 44 proven. 42 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 00:36:47,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:47,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 95 states and 182 transitions. [2021-11-23 00:36:47,064 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 182 transitions. [2021-11-23 00:36:47,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-23 00:36:47,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:47,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:47,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 00:36:47,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:48,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 44 proven. 58 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 00:36:49,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:49,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 99 states and 189 transitions. [2021-11-23 00:36:49,655 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 189 transitions. [2021-11-23 00:36:49,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-23 00:36:49,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:49,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:49,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:36:49,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:50,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 46 proven. 42 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2021-11-23 00:36:52,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:52,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 101 states and 193 transitions. [2021-11-23 00:36:52,744 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 193 transitions. [2021-11-23 00:36:52,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-23 00:36:52,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:52,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:52,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:36:52,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:53,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 46 proven. 62 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2021-11-23 00:36:55,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:55,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 102 states and 196 transitions. [2021-11-23 00:36:55,294 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 196 transitions. [2021-11-23 00:36:55,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-23 00:36:55,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:55,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:55,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:36:55,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:55,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1218 backedges. 48 proven. 66 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 00:36:57,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:57,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 104 states and 201 transitions. [2021-11-23 00:36:57,079 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 201 transitions. [2021-11-23 00:36:57,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-23 00:36:57,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:57,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:57,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:36:57,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:57,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 129 proven. 13 refuted. 0 times theorem prover too weak. 1178 trivial. 0 not checked. [2021-11-23 00:36:57,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:57,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 104 states and 200 transitions. [2021-11-23 00:36:57,888 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 200 transitions. [2021-11-23 00:36:57,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-23 00:36:57,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:57,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:57,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 00:36:57,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:58,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1422 backedges. 52 proven. 70 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-23 00:37:02,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:02,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 107 states and 206 transitions. [2021-11-23 00:37:02,332 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 206 transitions. [2021-11-23 00:37:02,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-23 00:37:02,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:02,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:02,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:02,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 00:37:02,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:03,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1437 backedges. 52 proven. 85 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-23 00:37:05,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:05,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 110 states and 211 transitions. [2021-11-23 00:37:05,466 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 211 transitions. [2021-11-23 00:37:05,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-23 00:37:05,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:05,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:05,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:37:05,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:07,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1528 backedges. 54 proven. 70 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 00:37:08,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:08,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 111 states and 213 transitions. [2021-11-23 00:37:08,973 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 213 transitions. [2021-11-23 00:37:08,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 00:37:08,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:08,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:09,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 00:37:09,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:10,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1548 backedges. 54 proven. 90 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 00:37:12,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:12,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 112 states and 216 transitions. [2021-11-23 00:37:12,769 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 216 transitions. [2021-11-23 00:37:12,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-23 00:37:12,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:12,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:12,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 00:37:12,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:14,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1638 backedges. 56 proven. 70 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 00:37:16,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:16,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 113 states and 218 transitions. [2021-11-23 00:37:16,762 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 218 transitions. [2021-11-23 00:37:16,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 00:37:16,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:16,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:16,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:37:16,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:17,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1663 backedges. 56 proven. 95 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 00:37:19,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:19,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 114 states and 219 transitions. [2021-11-23 00:37:19,533 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 219 transitions. [2021-11-23 00:37:19,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-23 00:37:19,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:19,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:19,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:37:19,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:20,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1782 backedges. 58 proven. 100 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2021-11-23 00:37:21,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:21,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 115 states and 222 transitions. [2021-11-23 00:37:21,111 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 222 transitions. [2021-11-23 00:37:21,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-23 00:37:21,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:21,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:21,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:37:21,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:21,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1905 backedges. 159 proven. 13 refuted. 0 times theorem prover too weak. 1733 trivial. 0 not checked. [2021-11-23 00:37:22,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:22,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 115 states and 221 transitions. [2021-11-23 00:37:22,052 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 221 transitions. [2021-11-23 00:37:22,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 00:37:22,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:22,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:22,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:37:22,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:22,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2027 backedges. 62 proven. 105 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2021-11-23 00:37:26,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:26,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 118 states and 227 transitions. [2021-11-23 00:37:26,832 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 227 transitions. [2021-11-23 00:37:26,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-23 00:37:26,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:26,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:26,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 00:37:26,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:28,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2045 backedges. 62 proven. 123 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2021-11-23 00:37:30,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:30,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 121 states and 232 transitions. [2021-11-23 00:37:30,785 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 232 transitions. [2021-11-23 00:37:30,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-23 00:37:30,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:30,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:30,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 00:37:30,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:32,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2153 backedges. 64 proven. 105 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2021-11-23 00:37:36,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:36,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 122 states and 235 transitions. [2021-11-23 00:37:36,612 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 235 transitions. [2021-11-23 00:37:36,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-23 00:37:36,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:36,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:36,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-23 00:37:36,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:38,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 64 proven. 129 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2021-11-23 00:37:41,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:41,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 123 states and 238 transitions. [2021-11-23 00:37:41,432 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 238 transitions. [2021-11-23 00:37:41,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-23 00:37:41,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:41,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:41,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 00:37:41,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:43,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2283 backedges. 66 proven. 105 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2021-11-23 00:37:47,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:47,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 125 states and 242 transitions. [2021-11-23 00:37:47,347 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 242 transitions. [2021-11-23 00:37:47,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-23 00:37:47,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:47,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:47,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 00:37:47,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:49,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 66 proven. 135 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2021-11-23 00:37:51,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:51,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 126 states and 243 transitions. [2021-11-23 00:37:51,728 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 243 transitions. [2021-11-23 00:37:51,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-23 00:37:51,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:51,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:51,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:37:51,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:52,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2453 backedges. 68 proven. 141 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2021-11-23 00:37:54,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:54,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 127 states and 246 transitions. [2021-11-23 00:37:54,118 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 246 transitions. [2021-11-23 00:37:54,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-23 00:37:54,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:54,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:54,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:54,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:37:54,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:54,567 INFO L134 CoverageAnalysis]: Checked inductivity of 2597 backedges. 189 proven. 13 refuted. 0 times theorem prover too weak. 2395 trivial. 0 not checked. [2021-11-23 00:37:55,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:55,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 127 states and 245 transitions. [2021-11-23 00:37:55,422 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 245 transitions. [2021-11-23 00:37:55,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-23 00:37:55,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:55,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:55,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 00:37:55,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:56,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2739 backedges. 72 proven. 147 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2021-11-23 00:38:01,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:01,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 130 states and 251 transitions. [2021-11-23 00:38:01,760 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 251 transitions. [2021-11-23 00:38:01,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-23 00:38:01,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:01,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:01,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-23 00:38:01,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:04,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2760 backedges. 72 proven. 168 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2021-11-23 00:38:07,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:07,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 133 states and 256 transitions. [2021-11-23 00:38:07,118 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 256 transitions. [2021-11-23 00:38:07,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-23 00:38:07,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:07,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:07,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 00:38:07,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:09,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2885 backedges. 74 proven. 147 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 00:38:13,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:13,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 134 states and 258 transitions. [2021-11-23 00:38:13,279 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 258 transitions. [2021-11-23 00:38:13,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 00:38:13,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:13,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:13,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 00:38:13,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:15,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 00:38:19,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:19,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 135 states and 261 transitions. [2021-11-23 00:38:19,134 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 261 transitions. [2021-11-23 00:38:19,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-23 00:38:19,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:19,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:19,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-23 00:38:19,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:21,599 INFO L134 CoverageAnalysis]: Checked inductivity of 3035 backedges. 76 proven. 147 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2021-11-23 00:38:25,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:25,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 136 states and 263 transitions. [2021-11-23 00:38:25,861 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 263 transitions. [2021-11-23 00:38:25,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-23 00:38:25,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:25,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:25,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-23 00:38:25,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:27,932 INFO L134 CoverageAnalysis]: Checked inductivity of 3070 backedges. 76 proven. 182 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2021-11-23 00:38:31,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:31,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 137 states and 265 transitions. [2021-11-23 00:38:31,881 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 265 transitions. [2021-11-23 00:38:31,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-23 00:38:31,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:31,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:31,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:38:31,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:33,278 INFO L134 CoverageAnalysis]: Checked inductivity of 3231 backedges. 78 proven. 189 refuted. 0 times theorem prover too weak. 2964 trivial. 0 not checked. [2021-11-23 00:38:36,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:36,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 139 states and 270 transitions. [2021-11-23 00:38:36,039 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 270 transitions. [2021-11-23 00:38:36,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-23 00:38:36,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:36,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:36,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:38:36,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:36,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3396 backedges. 219 proven. 13 refuted. 0 times theorem prover too weak. 3164 trivial. 0 not checked. [2021-11-23 00:38:37,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:37,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 139 states and 269 transitions. [2021-11-23 00:38:37,419 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 269 transitions. [2021-11-23 00:38:37,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-11-23 00:38:37,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:37,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:37,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 00:38:37,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:38,718 INFO L134 CoverageAnalysis]: Checked inductivity of 3558 backedges. 82 proven. 196 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2021-11-23 00:38:45,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:45,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 142 states and 275 transitions. [2021-11-23 00:38:45,273 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 275 transitions. [2021-11-23 00:38:45,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-23 00:38:45,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:45,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:45,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-23 00:38:45,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:48,368 INFO L134 CoverageAnalysis]: Checked inductivity of 3582 backedges. 82 proven. 220 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2021-11-23 00:38:52,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:52,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 145 states and 280 transitions. [2021-11-23 00:38:52,793 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 280 transitions. [2021-11-23 00:38:52,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-11-23 00:38:52,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:52,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:52,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-23 00:38:52,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:57,520 INFO L134 CoverageAnalysis]: Checked inductivity of 3724 backedges. 84 proven. 196 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2021-11-23 00:39:04,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:04,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 146 states and 283 transitions. [2021-11-23 00:39:04,452 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 283 transitions. [2021-11-23 00:39:04,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-23 00:39:04,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:04,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:04,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-23 00:39:04,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:08,645 INFO L134 CoverageAnalysis]: Checked inductivity of 3756 backedges. 84 proven. 228 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2021-11-23 00:39:14,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:14,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 147 states and 286 transitions. [2021-11-23 00:39:14,085 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 286 transitions. [2021-11-23 00:39:14,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-23 00:39:14,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:14,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:14,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 67 conjunts are in the unsatisfiable core [2021-11-23 00:39:14,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:18,512 INFO L134 CoverageAnalysis]: Checked inductivity of 3894 backedges. 86 proven. 196 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2021-11-23 00:39:28,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:28,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 149 states and 290 transitions. [2021-11-23 00:39:28,619 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 290 transitions. [2021-11-23 00:39:28,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-23 00:39:28,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:28,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:28,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 00:39:28,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:31,535 INFO L134 CoverageAnalysis]: Checked inductivity of 3934 backedges. 86 proven. 236 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2021-11-23 00:39:36,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:36,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 150 states and 291 transitions. [2021-11-23 00:39:36,594 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 291 transitions. [2021-11-23 00:39:36,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-23 00:39:36,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:36,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:36,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:39:36,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:38,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4116 backedges. 88 proven. 244 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2021-11-23 00:39:40,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:40,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 151 states and 294 transitions. [2021-11-23 00:39:40,770 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 294 transitions. [2021-11-23 00:39:40,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-23 00:39:40,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:40,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:40,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:39:40,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:41,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4302 backedges. 249 proven. 13 refuted. 0 times theorem prover too weak. 4040 trivial. 0 not checked. [2021-11-23 00:39:42,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:42,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 151 states and 293 transitions. [2021-11-23 00:39:42,542 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 293 transitions. [2021-11-23 00:39:42,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-11-23 00:39:42,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:42,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:42,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-23 00:39:42,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:44,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4484 backedges. 92 proven. 252 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2021-11-23 00:39:55,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:55,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 154 states and 299 transitions. [2021-11-23 00:39:55,718 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 299 transitions. [2021-11-23 00:39:55,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-23 00:39:55,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:55,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:55,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 00:39:55,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:01,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4511 backedges. 92 proven. 279 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2021-11-23 00:40:07,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:07,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 157 states and 304 transitions. [2021-11-23 00:40:07,174 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 304 transitions. [2021-11-23 00:40:07,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-11-23 00:40:07,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:07,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:07,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-23 00:40:07,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:13,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4670 backedges. 94 proven. 252 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2021-11-23 00:40:19,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:19,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 158 states and 306 transitions. [2021-11-23 00:40:19,297 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 306 transitions. [2021-11-23 00:40:19,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-11-23 00:40:19,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:19,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:19,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 77 conjunts are in the unsatisfiable core [2021-11-23 00:40:19,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:25,204 INFO L134 CoverageAnalysis]: Checked inductivity of 4706 backedges. 94 proven. 288 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2021-11-23 00:40:33,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:33,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 159 states and 310 transitions. [2021-11-23 00:40:33,489 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 310 transitions. [2021-11-23 00:40:33,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-23 00:40:33,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:33,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:33,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 75 conjunts are in the unsatisfiable core [2021-11-23 00:40:33,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:39,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4860 backedges. 96 proven. 252 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2021-11-23 00:40:48,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:48,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 160 states and 312 transitions. [2021-11-23 00:40:48,947 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 312 transitions. [2021-11-23 00:40:48,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-23 00:40:48,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:48,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:49,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 00:40:49,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:52,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4905 backedges. 96 proven. 297 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2021-11-23 00:40:59,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:59,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 161 states and 312 transitions. [2021-11-23 00:40:59,642 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 312 transitions. [2021-11-23 00:40:59,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-23 00:40:59,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:59,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:59,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 00:40:59,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:01,454 INFO L134 CoverageAnalysis]: Checked inductivity of 5108 backedges. 98 proven. 306 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2021-11-23 00:41:04,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:04,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 162 states and 315 transitions. [2021-11-23 00:41:04,767 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 315 transitions. [2021-11-23 00:41:04,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-23 00:41:04,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:04,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:04,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:41:04,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:05,260 INFO L134 CoverageAnalysis]: Checked inductivity of 5315 backedges. 279 proven. 13 refuted. 0 times theorem prover too weak. 5023 trivial. 0 not checked. [2021-11-23 00:41:07,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:07,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 162 states and 314 transitions. [2021-11-23 00:41:07,404 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 314 transitions. [2021-11-23 00:41:07,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-23 00:41:07,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:07,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:07,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:07,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 00:41:07,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:09,230 INFO L134 CoverageAnalysis]: Checked inductivity of 5517 backedges. 102 proven. 315 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2021-11-23 00:41:20,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:20,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 165 states and 320 transitions. [2021-11-23 00:41:20,457 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 320 transitions. [2021-11-23 00:41:20,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-11-23 00:41:20,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:20,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:20,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 67 conjunts are in the unsatisfiable core [2021-11-23 00:41:20,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:28,398 INFO L134 CoverageAnalysis]: Checked inductivity of 5547 backedges. 102 proven. 345 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2021-11-23 00:41:36,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:36,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 168 states and 325 transitions. [2021-11-23 00:41:36,939 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 325 transitions. [2021-11-23 00:41:36,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-23 00:41:36,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:36,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:37,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 64 conjunts are in the unsatisfiable core [2021-11-23 00:41:37,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:44,588 INFO L134 CoverageAnalysis]: Checked inductivity of 5723 backedges. 104 proven. 315 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2021-11-23 00:41:58,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:58,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 169 states and 328 transitions. [2021-11-23 00:41:58,087 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 328 transitions. [2021-11-23 00:41:58,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2021-11-23 00:41:58,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:58,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:58,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 85 conjunts are in the unsatisfiable core [2021-11-23 00:41:58,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:06,178 INFO L134 CoverageAnalysis]: Checked inductivity of 5763 backedges. 104 proven. 355 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2021-11-23 00:42:16,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:16,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 170 states and 331 transitions. [2021-11-23 00:42:16,875 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 331 transitions. [2021-11-23 00:42:16,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-23 00:42:16,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:16,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:17,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 83 conjunts are in the unsatisfiable core [2021-11-23 00:42:17,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:26,372 INFO L134 CoverageAnalysis]: Checked inductivity of 5933 backedges. 106 proven. 315 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2021-11-23 00:42:38,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:38,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 172 states and 335 transitions. [2021-11-23 00:42:38,135 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 335 transitions. [2021-11-23 00:42:38,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-11-23 00:42:38,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:38,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:38,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 68 conjunts are in the unsatisfiable core [2021-11-23 00:42:38,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:44,494 INFO L134 CoverageAnalysis]: Checked inductivity of 5983 backedges. 106 proven. 365 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2021-11-23 00:42:58,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:58,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 173 states and 337 transitions. [2021-11-23 00:42:58,127 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 337 transitions. [2021-11-23 00:42:58,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-23 00:42:58,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:58,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:58,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 00:42:58,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:01,760 INFO L134 CoverageAnalysis]: Checked inductivity of 6207 backedges. 108 proven. 375 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2021-11-23 00:43:08,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:08,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 175 states and 342 transitions. [2021-11-23 00:43:08,353 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 342 transitions. [2021-11-23 00:43:08,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-11-23 00:43:08,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:08,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:08,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:43:08,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:08,885 INFO L134 CoverageAnalysis]: Checked inductivity of 6435 backedges. 309 proven. 13 refuted. 0 times theorem prover too weak. 6113 trivial. 0 not checked. [2021-11-23 00:43:11,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:11,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 175 states and 341 transitions. [2021-11-23 00:43:11,069 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 341 transitions. [2021-11-23 00:43:11,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-11-23 00:43:11,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:11,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:11,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-23 00:43:11,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:13,483 INFO L134 CoverageAnalysis]: Checked inductivity of 6657 backedges. 112 proven. 385 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2021-11-23 00:43:34,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:34,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 178 states and 347 transitions. [2021-11-23 00:43:34,854 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 347 transitions. [2021-11-23 00:43:34,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-11-23 00:43:34,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:34,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:34,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 73 conjunts are in the unsatisfiable core [2021-11-23 00:43:34,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:46,313 INFO L134 CoverageAnalysis]: Checked inductivity of 6690 backedges. 112 proven. 418 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2021-11-23 00:43:56,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:56,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 181 states and 352 transitions. [2021-11-23 00:43:56,471 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 352 transitions. [2021-11-23 00:43:56,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-11-23 00:43:56,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:56,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:56,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 71 conjunts are in the unsatisfiable core [2021-11-23 00:43:56,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:09,363 INFO L134 CoverageAnalysis]: Checked inductivity of 6883 backedges. 114 proven. 385 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2021-11-23 00:44:20,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:20,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 182 states and 354 transitions. [2021-11-23 00:44:20,348 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 354 transitions. [2021-11-23 00:44:20,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-11-23 00:44:20,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:20,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:20,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 93 conjunts are in the unsatisfiable core [2021-11-23 00:44:20,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:33,021 INFO L134 CoverageAnalysis]: Checked inductivity of 6927 backedges. 114 proven. 429 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2021-11-23 00:44:45,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:45,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 183 states and 358 transitions. [2021-11-23 00:44:45,409 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 358 transitions. [2021-11-23 00:44:45,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-11-23 00:44:45,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:45,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:45,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 91 conjunts are in the unsatisfiable core [2021-11-23 00:44:45,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:58,569 INFO L134 CoverageAnalysis]: Checked inductivity of 7113 backedges. 116 proven. 385 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2021-11-23 00:45:15,773 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:45:15,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:15,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 184 states and 360 transitions. [2021-11-23 00:45:15,800 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 360 transitions. [2021-11-23 00:45:15,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2021-11-23 00:45:15,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:15,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:16,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 99 conjunts are in the unsatisfiable core [2021-11-23 00:45:16,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:32,930 INFO L134 CoverageAnalysis]: Checked inductivity of 7168 backedges. 116 proven. 440 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2021-11-23 00:45:49,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:49,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 185 states and 360 transitions. [2021-11-23 00:45:49,426 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 360 transitions. [2021-11-23 00:45:49,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-11-23 00:45:49,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:49,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:49,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 00:45:49,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:52,880 INFO L134 CoverageAnalysis]: Checked inductivity of 7413 backedges. 118 proven. 451 refuted. 0 times theorem prover too weak. 6844 trivial. 0 not checked. [2021-11-23 00:45:57,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:57,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 186 states and 363 transitions. [2021-11-23 00:45:57,925 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 363 transitions. [2021-11-23 00:45:57,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-11-23 00:45:57,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:57,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:58,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:45:58,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:58,649 INFO L134 CoverageAnalysis]: Checked inductivity of 7662 backedges. 339 proven. 13 refuted. 0 times theorem prover too weak. 7310 trivial. 0 not checked. [2021-11-23 00:46:05,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:05,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 186 states and 362 transitions. [2021-11-23 00:46:05,701 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 362 transitions. [2021-11-23 00:46:05,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-11-23 00:46:05,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:05,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:05,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-23 00:46:05,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:08,525 INFO L134 CoverageAnalysis]: Checked inductivity of 7904 backedges. 122 proven. 462 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2021-11-23 00:46:29,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:29,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 189 states and 368 transitions. [2021-11-23 00:46:29,729 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 368 transitions. [2021-11-23 00:46:29,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-23 00:46:29,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:29,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:29,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-23 00:46:29,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:45,583 INFO L134 CoverageAnalysis]: Checked inductivity of 7940 backedges. 122 proven. 498 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2021-11-23 00:47:01,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:01,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 192 states and 373 transitions. [2021-11-23 00:47:01,166 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 373 transitions. [2021-11-23 00:47:01,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-11-23 00:47:01,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:01,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:01,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 76 conjunts are in the unsatisfiable core [2021-11-23 00:47:01,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:17,096 INFO L134 CoverageAnalysis]: Checked inductivity of 8150 backedges. 124 proven. 462 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2021-11-23 00:47:43,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:43,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 193 states and 376 transitions. [2021-11-23 00:47:43,814 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 376 transitions. [2021-11-23 00:47:43,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-11-23 00:47:43,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:43,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:43,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 101 conjunts are in the unsatisfiable core [2021-11-23 00:47:43,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:02,397 INFO L134 CoverageAnalysis]: Checked inductivity of 8198 backedges. 124 proven. 510 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2021-11-23 00:48:23,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:23,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 194 states and 379 transitions. [2021-11-23 00:48:23,626 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 379 transitions. [2021-11-23 00:48:23,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-11-23 00:48:23,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:23,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:24,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 99 conjunts are in the unsatisfiable core [2021-11-23 00:48:24,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:40,132 INFO L134 CoverageAnalysis]: Checked inductivity of 8400 backedges. 126 proven. 462 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked.