./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.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_976e8f07-9122-4156-b309-f1f5e6a26bd5/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976e8f07-9122-4156-b309-f1f5e6a26bd5/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_976e8f07-9122-4156-b309-f1f5e6a26bd5/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976e8f07-9122-4156-b309-f1f5e6a26bd5/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976e8f07-9122-4156-b309-f1f5e6a26bd5/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_976e8f07-9122-4156-b309-f1f5e6a26bd5/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 d25bbd57503ddf7114a4e56e0d2f1aa1d87b632e5d2d981ebfe6e2db50f2e17b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:13:38,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:13:38,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:13:38,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:13:38,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:13:38,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:13:38,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:13:38,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:13:38,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:13:38,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:13:38,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:13:38,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:13:38,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:13:38,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:13:38,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:13:38,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:13:38,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:13:38,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:13:38,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:13:38,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:13:38,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:13:38,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:13:38,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:13:38,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:13:38,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:13:38,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:13:38,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:13:38,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:13:38,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:13:38,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:13:38,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:13:38,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:13:38,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:13:38,358 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:13:38,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:13:38,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:13:38,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:13:38,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:13:38,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:13:38,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:13:38,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:13:38,364 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976e8f07-9122-4156-b309-f1f5e6a26bd5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:13:38,388 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:13:38,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:13:38,390 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:13:38,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:13:38,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:13:38,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:13:38,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:13:38,391 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:13:38,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:13:38,392 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:13:38,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:13:38,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:13:38,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:13:38,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:13:38,393 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:13:38,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:13:38,393 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:13:38,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:13:38,393 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:13:38,394 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:13:38,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:13:38,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:13:38,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:13:38,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:13:38,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:13:38,395 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:13:38,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:13:38,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:13:38,395 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_976e8f07-9122-4156-b309-f1f5e6a26bd5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976e8f07-9122-4156-b309-f1f5e6a26bd5/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d25bbd57503ddf7114a4e56e0d2f1aa1d87b632e5d2d981ebfe6e2db50f2e17b [2021-11-22 23:13:38,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:13:38,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:13:38,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:13:38,722 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:13:38,723 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:13:38,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976e8f07-9122-4156-b309-f1f5e6a26bd5/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c [2021-11-22 23:13:38,808 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976e8f07-9122-4156-b309-f1f5e6a26bd5/bin/ukojak-LBtLqBUTdQ/data/dd09761d0/d44b094926424b73b43cd242096a79e7/FLAG2c062c7e3 [2021-11-22 23:13:39,310 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:13:39,310 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976e8f07-9122-4156-b309-f1f5e6a26bd5/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c [2021-11-22 23:13:39,321 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976e8f07-9122-4156-b309-f1f5e6a26bd5/bin/ukojak-LBtLqBUTdQ/data/dd09761d0/d44b094926424b73b43cd242096a79e7/FLAG2c062c7e3 [2021-11-22 23:13:39,669 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976e8f07-9122-4156-b309-f1f5e6a26bd5/bin/ukojak-LBtLqBUTdQ/data/dd09761d0/d44b094926424b73b43cd242096a79e7 [2021-11-22 23:13:39,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:13:39,673 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:13:39,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:13:39,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:13:39,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:13:39,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:13:39" (1/1) ... [2021-11-22 23:13:39,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16de0a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:39, skipping insertion in model container [2021-11-22 23:13:39,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:13:39" (1/1) ... [2021-11-22 23:13:39,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:13:39,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:13:39,909 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_976e8f07-9122-4156-b309-f1f5e6a26bd5/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c[454,467] [2021-11-22 23:13:39,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:13:39,933 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:13:39,955 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_976e8f07-9122-4156-b309-f1f5e6a26bd5/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c[454,467] [2021-11-22 23:13:39,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:13:39,982 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:13:39,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:39 WrapperNode [2021-11-22 23:13:39,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:13:39,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:13:39,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:13:39,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:13:39,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:39" (1/1) ... [2021-11-22 23:13:40,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:39" (1/1) ... [2021-11-22 23:13:40,027 INFO L137 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2021-11-22 23:13:40,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:13:40,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:13:40,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:13:40,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:13:40,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:39" (1/1) ... [2021-11-22 23:13:40,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:39" (1/1) ... [2021-11-22 23:13:40,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:39" (1/1) ... [2021-11-22 23:13:40,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:39" (1/1) ... [2021-11-22 23:13:40,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:39" (1/1) ... [2021-11-22 23:13:40,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:39" (1/1) ... [2021-11-22 23:13:40,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:39" (1/1) ... [2021-11-22 23:13:40,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:13:40,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:13:40,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:13:40,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:13:40,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:39" (1/1) ... [2021-11-22 23:13:40,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:13:40,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976e8f07-9122-4156-b309-f1f5e6a26bd5/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:13:40,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976e8f07-9122-4156-b309-f1f5e6a26bd5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:13:40,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_976e8f07-9122-4156-b309-f1f5e6a26bd5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:13:40,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:13:40,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:13:40,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:13:40,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:13:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-22 23:13:40,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-22 23:13:40,249 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:13:40,251 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:13:40,376 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:13:40,400 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:13:40,402 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:13:40,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:13:40 BoogieIcfgContainer [2021-11-22 23:13:40,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:13:40,406 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:13:40,407 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:13:40,419 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:13:40,419 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:13:40" (1/1) ... [2021-11-22 23:13:40,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:13:40,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:40,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-11-22 23:13:40,530 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-11-22 23:13:40,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:13:40,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:40,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:40,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:40,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:40,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-22 23:13:40,721 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-22 23:13:40,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:13:40,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:40,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:40,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:40,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:40,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2021-11-22 23:13:40,874 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2021-11-22 23:13:40,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:13:40,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:40,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:40,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:13:40,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:41,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:41,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:41,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-11-22 23:13:41,432 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-11-22 23:13:41,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:13:41,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:41,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:41,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:13:41,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:41,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:41,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:41,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2021-11-22 23:13:41,921 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2021-11-22 23:13:41,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:13:41,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:41,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:41,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:13:41,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:42,108 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:42,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:42,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2021-11-22 23:13:42,672 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2021-11-22 23:13:42,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:13:42,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:42,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:42,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 23:13:42,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:42,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:43,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:43,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2021-11-22 23:13:43,846 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2021-11-22 23:13:43,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:13:43,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:43,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:43,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:13:43,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:43,946 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:44,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:44,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 68 transitions. [2021-11-22 23:13:44,379 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2021-11-22 23:13:44,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:13:44,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:44,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:44,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 23:13:44,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:44,541 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:13:45,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:45,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 43 states and 80 transitions. [2021-11-22 23:13:45,247 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 80 transitions. [2021-11-22 23:13:45,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:13:45,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:45,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:45,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 23:13:45,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:45,377 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:13:45,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:45,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 81 transitions. [2021-11-22 23:13:45,811 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 81 transitions. [2021-11-22 23:13:45,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:13:45,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:45,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:45,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:13:45,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:45,973 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:47,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:47,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 53 states and 109 transitions. [2021-11-22 23:13:47,207 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 109 transitions. [2021-11-22 23:13:47,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:13:47,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:47,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:47,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 23:13:47,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:47,433 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:13:47,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:47,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 55 states and 110 transitions. [2021-11-22 23:13:47,890 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 110 transitions. [2021-11-22 23:13:47,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:13:47,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:47,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:47,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:13:47,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:48,001 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:48,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:48,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 55 states and 109 transitions. [2021-11-22 23:13:48,220 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 109 transitions. [2021-11-22 23:13:48,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:13:48,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:48,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:48,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-22 23:13:48,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:48,533 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:13:49,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:49,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 59 states and 125 transitions. [2021-11-22 23:13:49,643 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 125 transitions. [2021-11-22 23:13:49,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:13:49,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:49,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:49,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:13:49,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:49,912 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:51,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:51,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 67 states and 159 transitions. [2021-11-22 23:13:51,617 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 159 transitions. [2021-11-22 23:13:51,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:13:51,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:51,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:51,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-22 23:13:51,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:51,875 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:13:52,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:52,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 69 states and 160 transitions. [2021-11-22 23:13:52,499 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 160 transitions. [2021-11-22 23:13:52,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:13:52,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:52,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:52,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:13:52,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:52,628 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:52,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:52,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 69 states and 159 transitions. [2021-11-22 23:13:52,968 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 159 transitions. [2021-11-22 23:13:52,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:13:52,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:52,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:53,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-22 23:13:53,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:53,163 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:13:53,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:53,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 71 states and 160 transitions. [2021-11-22 23:13:53,950 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 160 transitions. [2021-11-22 23:13:53,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:13:53,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:53,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:54,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-22 23:13:54,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:54,117 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:13:54,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:54,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 73 states and 161 transitions. [2021-11-22 23:13:54,896 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 161 transitions. [2021-11-22 23:13:54,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:13:54,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:54,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:54,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:13:54,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:55,003 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:55,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:55,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 73 states and 160 transitions. [2021-11-22 23:13:55,254 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 160 transitions. [2021-11-22 23:13:55,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:13:55,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:55,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:55,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:13:55,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:55,566 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:56,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:56,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 77 states and 183 transitions. [2021-11-22 23:13:56,990 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 183 transitions. [2021-11-22 23:13:56,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:13:56,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:56,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:57,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-22 23:13:57,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:57,477 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-22 23:13:59,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:59,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 81 states and 205 transitions. [2021-11-22 23:13:59,206 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 205 transitions. [2021-11-22 23:13:59,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:13:59,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:59,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:59,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-22 23:13:59,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:59,599 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-22 23:14:00,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:00,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 83 states and 206 transitions. [2021-11-22 23:14:00,585 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 206 transitions. [2021-11-22 23:14:00,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:14:00,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:00,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:00,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-22 23:14:00,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:00,916 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-22 23:14:01,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:01,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 85 states and 207 transitions. [2021-11-22 23:14:01,924 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 207 transitions. [2021-11-22 23:14:01,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:14:01,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:01,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:01,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-22 23:14:01,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:02,215 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-22 23:14:03,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:03,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 87 states and 208 transitions. [2021-11-22 23:14:03,267 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 208 transitions. [2021-11-22 23:14:03,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:14:03,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:03,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:03,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-22 23:14:03,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:03,638 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-22 23:14:04,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:04,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 89 states and 209 transitions. [2021-11-22 23:14:04,983 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 209 transitions. [2021-11-22 23:14:04,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:14:04,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:04,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:05,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:14:05,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:05,123 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:06,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:06,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 93 states and 222 transitions. [2021-11-22 23:14:06,882 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 222 transitions. [2021-11-22 23:14:06,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:14:06,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:06,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:06,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:14:06,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:07,021 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:07,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:07,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 93 states and 221 transitions. [2021-11-22 23:14:07,504 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 221 transitions. [2021-11-22 23:14:07,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:14:07,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:07,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:07,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:07,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:14:07,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:07,611 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:08,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:08,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 93 states and 220 transitions. [2021-11-22 23:14:08,037 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 220 transitions. [2021-11-22 23:14:08,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:14:08,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:08,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:08,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:14:08,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:08,443 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:12,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:12,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 101 states and 261 transitions. [2021-11-22 23:14:12,610 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 261 transitions. [2021-11-22 23:14:12,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:14:12,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:12,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:12,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-22 23:14:12,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:13,158 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-22 23:14:18,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:18,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 105 states and 287 transitions. [2021-11-22 23:14:18,327 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 287 transitions. [2021-11-22 23:14:18,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:14:18,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:18,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:18,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:14:18,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:18,472 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:19,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:19,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 105 states and 286 transitions. [2021-11-22 23:14:19,435 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 286 transitions. [2021-11-22 23:14:19,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:14:19,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:19,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:19,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-22 23:14:19,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:20,317 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-22 23:14:23,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:23,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 108 states and 289 transitions. [2021-11-22 23:14:23,625 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 289 transitions. [2021-11-22 23:14:23,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:14:23,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:23,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:23,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-22 23:14:23,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:24,277 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-22 23:14:27,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:27,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 110 states and 290 transitions. [2021-11-22 23:14:27,365 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 290 transitions. [2021-11-22 23:14:27,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:14:27,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:27,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:27,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-22 23:14:27,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:27,934 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-22 23:14:31,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:31,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 112 states and 291 transitions. [2021-11-22 23:14:31,385 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 291 transitions. [2021-11-22 23:14:31,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:14:31,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:31,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:31,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:14:31,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:31,550 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:33,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:33,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 112 states and 290 transitions. [2021-11-22 23:14:33,013 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 290 transitions. [2021-11-22 23:14:33,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:14:33,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:33,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:33,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-22 23:14:33,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:33,950 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-22 23:14:39,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:39,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 114 states and 291 transitions. [2021-11-22 23:14:39,162 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 291 transitions. [2021-11-22 23:14:39,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:14:39,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:39,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:39,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-22 23:14:39,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:39,869 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-22 23:14:45,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:45,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 116 states and 292 transitions. [2021-11-22 23:14:45,071 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 292 transitions. [2021-11-22 23:14:45,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:14:45,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:45,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:45,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:14:45,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:45,216 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:47,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:47,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 116 states and 291 transitions. [2021-11-22 23:14:47,308 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 291 transitions. [2021-11-22 23:14:47,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:14:47,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:47,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:47,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:14:47,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:47,456 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:49,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:49,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 116 states and 290 transitions. [2021-11-22 23:14:49,555 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 290 transitions. [2021-11-22 23:14:49,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:14:49,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:49,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:49,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:14:49,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:51,594 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-22 23:15:06,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:06,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 120 states and 316 transitions. [2021-11-22 23:15:06,451 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 316 transitions. [2021-11-22 23:15:06,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:15:06,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:06,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:06,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 23:15:06,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:07,663 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:21,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:21,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 128 states and 365 transitions. [2021-11-22 23:15:21,650 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 365 transitions. [2021-11-22 23:15:21,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:15:21,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:21,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:21,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:15:21,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:24,059 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-22 23:15:32,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:32,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 130 states and 366 transitions. [2021-11-22 23:15:32,502 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 366 transitions. [2021-11-22 23:15:32,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:15:32,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:32,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:32,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 23:15:32,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:32,708 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:35,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:35,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 130 states and 365 transitions. [2021-11-22 23:15:35,792 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 365 transitions. [2021-11-22 23:15:35,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:15:35,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:35,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:35,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:15:35,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:37,768 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-22 23:15:49,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:49,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 133 states and 368 transitions. [2021-11-22 23:15:49,149 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 368 transitions. [2021-11-22 23:15:49,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:15:49,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:49,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:49,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 23:15:49,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:49,341 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:53,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:53,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 133 states and 367 transitions. [2021-11-22 23:15:53,221 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 367 transitions. [2021-11-22 23:15:53,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:15:53,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:53,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:53,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:15:53,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:55,894 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-22 23:16:07,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:07,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 135 states and 368 transitions. [2021-11-22 23:16:07,400 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 368 transitions. [2021-11-22 23:16:07,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:16:07,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:07,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:07,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 23:16:07,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:07,560 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:11,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:11,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 135 states and 367 transitions. [2021-11-22 23:16:11,306 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 367 transitions. [2021-11-22 23:16:11,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:16:11,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:11,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:11,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:16:11,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:12,316 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-22 23:16:24,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:24,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 137 states and 368 transitions. [2021-11-22 23:16:24,969 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 368 transitions. [2021-11-22 23:16:24,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:16:24,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:24,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:25,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:16:25,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:27,189 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-22 23:16:42,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:42,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 139 states and 369 transitions. [2021-11-22 23:16:42,533 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 369 transitions. [2021-11-22 23:16:42,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:16:42,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:42,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:42,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:16:42,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:45,913 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-22 23:17:01,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:01,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 142 states and 372 transitions. [2021-11-22 23:17:01,005 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 372 transitions. [2021-11-22 23:17:01,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:17:01,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:01,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:01,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 23:17:01,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:01,162 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:06,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:06,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 142 states and 371 transitions. [2021-11-22 23:17:06,753 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 371 transitions. [2021-11-22 23:17:06,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:17:06,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:06,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:06,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 23:17:06,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:06,923 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:12,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:12,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 142 states and 370 transitions. [2021-11-22 23:17:12,755 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 370 transitions. [2021-11-22 23:17:12,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:17:12,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:12,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:12,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:17:12,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:15,799 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:46,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:46,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 150 states and 421 transitions. [2021-11-22 23:17:46,160 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 421 transitions. [2021-11-22 23:17:46,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:17:46,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:46,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:46,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-22 23:17:46,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:49,136 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-22 23:18:13,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:13,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 154 states and 449 transitions. [2021-11-22 23:18:13,318 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 449 transitions. [2021-11-22 23:18:13,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:18:13,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:13,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:13,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:18:13,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:13,520 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:19,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:19,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 154 states and 448 transitions. [2021-11-22 23:18:19,892 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 448 transitions. [2021-11-22 23:18:19,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:18:19,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:19,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:19,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:19,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-22 23:18:19,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:24,667 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-22 23:18:52,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:52,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 157 states and 455 transitions. [2021-11-22 23:18:52,170 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 455 transitions. [2021-11-22 23:18:52,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:18:52,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:52,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:52,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-22 23:18:52,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:55,952 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-22 23:19:12,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:12,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 159 states and 456 transitions. [2021-11-22 23:19:12,935 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 456 transitions. [2021-11-22 23:19:12,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:19:12,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:12,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:13,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-22 23:19:13,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:19,211 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-22 23:19:36,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:36,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 161 states and 457 transitions. [2021-11-22 23:19:36,837 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 457 transitions. [2021-11-22 23:19:36,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:19:36,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:36,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:36,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-22 23:19:36,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:45,939 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-22 23:20:04,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:04,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 163 states and 458 transitions. [2021-11-22 23:20:04,773 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 458 transitions. [2021-11-22 23:20:04,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:20:04,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:04,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:04,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-22 23:20:04,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:09,461 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-22 23:20:29,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:29,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 166 states and 461 transitions. [2021-11-22 23:20:29,160 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 461 transitions. [2021-11-22 23:20:29,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:20:29,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:29,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:29,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-22 23:20:29,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:35,547 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-22 23:20:57,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 168 states and 462 transitions. [2021-11-22 23:20:57,772 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 462 transitions. [2021-11-22 23:20:57,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:20:57,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:20:57,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,955 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:07,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:07,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 168 states and 461 transitions. [2021-11-22 23:21:07,306 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 461 transitions. [2021-11-22 23:21:07,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:21:07,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:07,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:07,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-22 23:21:07,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:08,251 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-22 23:21:38,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:38,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 171 states and 464 transitions. [2021-11-22 23:21:38,209 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 464 transitions. [2021-11-22 23:21:38,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:21:38,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:38,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:38,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:21:38,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:38,391 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:50,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:50,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 171 states and 463 transitions. [2021-11-22 23:21:50,355 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 463 transitions. [2021-11-22 23:21:50,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:21:50,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:50,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:50,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:21:50,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:50,584 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:00,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:00,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 171 states and 462 transitions. [2021-11-22 23:22:00,696 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 462 transitions. [2021-11-22 23:22:00,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:22:00,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:00,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:00,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:22:00,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:00,871 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:13,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:13,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 171 states and 461 transitions. [2021-11-22 23:22:13,071 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 461 transitions. [2021-11-22 23:22:13,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:22:13,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:13,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:13,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:22:13,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:13,238 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:23,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:23,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 171 states and 460 transitions. [2021-11-22 23:22:23,796 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 460 transitions. [2021-11-22 23:22:23,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:22:23,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:23,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:23,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-22 23:22:23,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:36,768 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 16 proven. 136 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-22 23:23:45,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:45,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 175 states and 492 transitions. [2021-11-22 23:23:45,254 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 492 transitions. [2021-11-22 23:23:45,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:23:45,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:45,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:45,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-22 23:23:45,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:52,354 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 16 proven. 136 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-22 23:24:27,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:27,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 177 states and 493 transitions. [2021-11-22 23:24:27,988 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 493 transitions. [2021-11-22 23:24:27,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:24:27,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:27,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:28,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-22 23:24:28,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:29,709 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 16 proven. 136 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-22 23:25:07,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:07,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 179 states and 494 transitions. [2021-11-22 23:25:07,839 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 494 transitions. [2021-11-22 23:25:07,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:25:07,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:07,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:07,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-22 23:25:07,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:17,038 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 16 proven. 136 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-22 23:25:56,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:56,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 181 states and 495 transitions. [2021-11-22 23:25:56,172 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 495 transitions. [2021-11-22 23:25:56,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:25:56,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:56,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:56,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-22 23:25:56,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:04,058 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 16 proven. 136 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-22 23:26:48,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:48,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 183 states and 496 transitions. [2021-11-22 23:26:48,591 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 496 transitions. [2021-11-22 23:26:48,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:26:48,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:48,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:48,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-22 23:26:48,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:51,385 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 16 proven. 136 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.