./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93935da-ba78-4b9d-8a47-ebb996ba292b/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93935da-ba78-4b9d-8a47-ebb996ba292b/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93935da-ba78-4b9d-8a47-ebb996ba292b/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93935da-ba78-4b9d-8a47-ebb996ba292b/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93935da-ba78-4b9d-8a47-ebb996ba292b/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93935da-ba78-4b9d-8a47-ebb996ba292b/bin/ukojak-rkRKPMF4O4 --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 92be10af768295be2ee9c176bac2a7de85c1afeb202e4b441d20022190d8e93f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 00:48:28,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:48:28,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:48:28,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:48:28,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:48:28,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:48:28,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:48:28,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:48:28,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:48:28,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:48:28,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:48:28,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:48:28,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:48:28,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:48:28,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:48:28,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:48:28,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:48:28,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:48:28,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:48:28,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:48:28,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:48:28,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:48:28,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:48:28,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:48:28,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:48:28,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:48:28,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:48:28,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:48:28,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:48:28,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:48:28,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:48:28,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:48:28,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:48:28,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:48:28,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:48:28,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:48:28,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:48:28,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:48:28,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:48:28,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:48:28,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:48:28,471 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93935da-ba78-4b9d-8a47-ebb996ba292b/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 00:48:28,492 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:48:28,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:48:28,493 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:48:28,493 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:48:28,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:48:28,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:48:28,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:48:28,494 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:48:28,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:48:28,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:48:28,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:48:28,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:48:28,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:48:28,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:48:28,496 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:48:28,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:48:28,496 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:48:28,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:48:28,496 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:48:28,496 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:48:28,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:48:28,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:48:28,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:48:28,497 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:48:28,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:48:28,497 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:48:28,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:48:28,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:48:28,498 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_a93935da-ba78-4b9d-8a47-ebb996ba292b/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93935da-ba78-4b9d-8a47-ebb996ba292b/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92be10af768295be2ee9c176bac2a7de85c1afeb202e4b441d20022190d8e93f [2022-12-15 00:48:28,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:48:28,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:48:28,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:48:28,699 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:48:28,699 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:48:28,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93935da-ba78-4b9d-8a47-ebb996ba292b/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.UNBOUNDED.pals.c [2022-12-15 00:48:31,233 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:48:31,394 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:48:31,394 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93935da-ba78-4b9d-8a47-ebb996ba292b/sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.UNBOUNDED.pals.c [2022-12-15 00:48:31,400 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93935da-ba78-4b9d-8a47-ebb996ba292b/bin/ukojak-rkRKPMF4O4/data/f61751b71/2b79b7b8722944d09d1a83b4f14c397f/FLAGcc2dbcbbd [2022-12-15 00:48:31,804 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93935da-ba78-4b9d-8a47-ebb996ba292b/bin/ukojak-rkRKPMF4O4/data/f61751b71/2b79b7b8722944d09d1a83b4f14c397f [2022-12-15 00:48:31,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:48:31,808 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:48:31,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:48:31,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:48:31,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:48:31,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:48:31" (1/1) ... [2022-12-15 00:48:31,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@317e5d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:48:31, skipping insertion in model container [2022-12-15 00:48:31,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:48:31" (1/1) ... [2022-12-15 00:48:31,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:48:31,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:48:31,987 WARN L237 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_a93935da-ba78-4b9d-8a47-ebb996ba292b/sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.UNBOUNDED.pals.c[6043,6056] [2022-12-15 00:48:31,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:48:32,000 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:48:32,026 WARN L237 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_a93935da-ba78-4b9d-8a47-ebb996ba292b/sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.UNBOUNDED.pals.c[6043,6056] [2022-12-15 00:48:32,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:48:32,038 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:48:32,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:48:32 WrapperNode [2022-12-15 00:48:32,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:48:32,039 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:48:32,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:48:32,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:48:32,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:48:32" (1/1) ... [2022-12-15 00:48:32,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:48:32" (1/1) ... [2022-12-15 00:48:32,072 INFO L138 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 207 [2022-12-15 00:48:32,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:48:32,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:48:32,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:48:32,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:48:32,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:48:32" (1/1) ... [2022-12-15 00:48:32,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:48:32" (1/1) ... [2022-12-15 00:48:32,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:48:32" (1/1) ... [2022-12-15 00:48:32,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:48:32" (1/1) ... [2022-12-15 00:48:32,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:48:32" (1/1) ... [2022-12-15 00:48:32,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:48:32" (1/1) ... [2022-12-15 00:48:32,092 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:48:32" (1/1) ... [2022-12-15 00:48:32,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:48:32" (1/1) ... [2022-12-15 00:48:32,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:48:32,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:48:32,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:48:32,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:48:32,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:48:32" (1/1) ... [2022-12-15 00:48:32,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:48:32,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93935da-ba78-4b9d-8a47-ebb996ba292b/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:48:32,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93935da-ba78-4b9d-8a47-ebb996ba292b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:48:32,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93935da-ba78-4b9d-8a47-ebb996ba292b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:48:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:48:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:48:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:48:32,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:48:32,214 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:48:32,216 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:48:32,430 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:48:32,649 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:48:32,649 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 00:48:32,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:48:32 BoogieIcfgContainer [2022-12-15 00:48:32,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:48:32,653 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:48:32,653 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:48:32,663 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:48:32,663 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:48:32" (1/1) ... [2022-12-15 00:48:32,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:48:32,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:32,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-12-15 00:48:32,715 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-12-15 00:48:32,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 00:48:32,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:32,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:33,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:48:33,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:33,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-12-15 00:48:33,374 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-12-15 00:48:33,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 00:48:33,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:33,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:33,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:48:33,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:33,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2022-12-15 00:48:33,772 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2022-12-15 00:48:33,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 00:48:33,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:33,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:34,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:48:34,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:34,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2022-12-15 00:48:34,375 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2022-12-15 00:48:34,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 00:48:34,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:34,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:34,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:48:34,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:34,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2022-12-15 00:48:34,797 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2022-12-15 00:48:34,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 00:48:34,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:34,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:36,142 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:48:38,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:38,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2022-12-15 00:48:38,300 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2022-12-15 00:48:38,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 00:48:38,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:38,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:38,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:38,624 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:48:40,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:40,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2022-12-15 00:48:40,328 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2022-12-15 00:48:40,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 00:48:40,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:40,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:41,622 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:48:44,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:44,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 85 transitions. [2022-12-15 00:48:44,416 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 85 transitions. [2022-12-15 00:48:44,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 00:48:44,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:44,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:44,649 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:48:44,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:44,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 88 transitions. [2022-12-15 00:48:44,828 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2022-12-15 00:48:44,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 00:48:44,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:44,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:45,535 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:48:49,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:49,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 63 states and 114 transitions. [2022-12-15 00:48:49,773 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 114 transitions. [2022-12-15 00:48:49,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:48:49,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:49,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:50,682 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:48:54,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:54,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 73 states and 137 transitions. [2022-12-15 00:48:54,649 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 137 transitions. [2022-12-15 00:48:54,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:48:54,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:54,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:55,429 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:48:58,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:58,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 83 states and 166 transitions. [2022-12-15 00:48:58,634 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 166 transitions. [2022-12-15 00:48:58,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:48:58,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:58,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:59,087 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:48:59,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:59,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 84 states and 166 transitions. [2022-12-15 00:48:59,315 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions. [2022-12-15 00:48:59,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:48:59,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:59,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:49:00,119 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:49:02,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:49:02,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 91 states and 176 transitions. [2022-12-15 00:49:02,486 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 176 transitions. [2022-12-15 00:49:02,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:49:02,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:49:02,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:49:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:49:02,908 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:49:05,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:49:05,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 97 states and 186 transitions. [2022-12-15 00:49:05,009 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 186 transitions. [2022-12-15 00:49:05,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 00:49:05,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:49:05,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:49:05,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:49:14,267 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:49:43,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:49:43,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 122 states and 248 transitions. [2022-12-15 00:49:43,615 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 248 transitions. [2022-12-15 00:49:43,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 00:49:43,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:49:43,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:49:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:49:53,043 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:50:27,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:50:27,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 147 states and 307 transitions. [2022-12-15 00:50:27,974 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 307 transitions. [2022-12-15 00:50:27,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 00:50:27,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:50:27,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:50:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:50:36,073 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:51:22,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:51:22,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 172 states and 365 transitions. [2022-12-15 00:51:22,182 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 365 transitions. [2022-12-15 00:51:22,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 00:51:22,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:51:22,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:51:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:51:22,947 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:51:31,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:51:31,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 180 states and 384 transitions. [2022-12-15 00:51:31,316 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 384 transitions. [2022-12-15 00:51:31,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 00:51:31,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:51:31,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:51:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:51:31,749 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:51:39,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:51:39,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 186 states and 390 transitions. [2022-12-15 00:51:39,657 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 390 transitions. [2022-12-15 00:51:39,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-15 00:51:39,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:51:39,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:51:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:51:41,211 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 17 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:51:51,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:51:51,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 194 states and 405 transitions. [2022-12-15 00:51:51,037 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 405 transitions. [2022-12-15 00:51:51,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-15 00:51:51,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:51:51,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:51:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:51:55,140 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:52:46,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:52:46,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 216 states and 470 transitions. [2022-12-15 00:52:46,976 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 470 transitions. [2022-12-15 00:52:46,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 00:52:46,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:52:46,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:52:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:52:50,519 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 22 proven. 42 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 00:52:56,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:52:56,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 219 states and 480 transitions. [2022-12-15 00:52:56,291 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 480 transitions. [2022-12-15 00:52:56,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 00:52:56,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:52:56,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:52:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:00,660 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:53:27,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:27,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 236 states and 514 transitions. [2022-12-15 00:53:27,799 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 514 transitions. [2022-12-15 00:53:27,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 00:53:27,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:27,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:31,215 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 17 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:53:42,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:42,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 245 states and 538 transitions. [2022-12-15 00:53:42,904 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 538 transitions. [2022-12-15 00:53:42,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 00:53:42,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:42,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:53:45,040 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:53:47,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:53:47,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 246 states and 539 transitions. [2022-12-15 00:53:47,902 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 539 transitions. [2022-12-15 00:53:47,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-15 00:53:47,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:53:47,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:53:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat