/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_07-cond_racing2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 22:01:34,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 22:01:34,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 22:01:34,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-10 22:01:34,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 22:01:34,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 22:01:34,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 22:01:34,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 22:01:34,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 22:01:34,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 22:01:34,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 22:01:34,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 22:01:34,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 22:01:34,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 22:01:34,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 22:01:34,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 22:01:34,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-10 22:01:34,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 22:01:34,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 22:01:34,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 22:01:34,429 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-02-10 22:01:34,457 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 22:01:34,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 22:01:34,458 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 22:01:34,458 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 22:01:34,459 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 22:01:34,459 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 22:01:34,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 22:01:34,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 22:01:34,460 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 22:01:34,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 22:01:34,461 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 22:01:34,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 22:01:34,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 22:01:34,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 22:01:34,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 22:01:34,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 22:01:34,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 22:01:34,461 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 22:01:34,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 22:01:34,462 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 22:01:34,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 22:01:34,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 22:01:34,462 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 22:01:34,462 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 22:01:34,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 22:01:34,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 22:01:34,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 22:01:34,463 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 22:01:34,463 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 22:01:34,463 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 22:01:34,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 22:01:34,463 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 22:01:34,464 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 22:01:34,464 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 22:01:34,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 22:01:34,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 22:01:34,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 22:01:34,703 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 22:01:34,704 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 22:01:34,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_07-cond_racing2.i [2022-02-10 22:01:34,765 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a927b214f/9944c6c9b2a8419698fae645efcd9900/FLAG09f23b5e8 [2022-02-10 22:01:35,274 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 22:01:35,275 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_07-cond_racing2.i [2022-02-10 22:01:35,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a927b214f/9944c6c9b2a8419698fae645efcd9900/FLAG09f23b5e8 [2022-02-10 22:01:35,754 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a927b214f/9944c6c9b2a8419698fae645efcd9900 [2022-02-10 22:01:35,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 22:01:35,757 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 22:01:35,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 22:01:35,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 22:01:35,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 22:01:35,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 10:01:35" (1/1) ... [2022-02-10 22:01:35,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef97cfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:01:35, skipping insertion in model container [2022-02-10 22:01:35,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 10:01:35" (1/1) ... [2022-02-10 22:01:35,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 22:01:35,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 22:01:36,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_07-cond_racing2.i[41322,41335] [2022-02-10 22:01:36,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 22:01:36,339 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 22:01:36,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_07-cond_racing2.i[41322,41335] [2022-02-10 22:01:36,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 22:01:36,432 INFO L208 MainTranslator]: Completed translation [2022-02-10 22:01:36,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:01:36 WrapperNode [2022-02-10 22:01:36,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 22:01:36,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 22:01:36,434 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 22:01:36,434 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 22:01:36,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:01:36" (1/1) ... [2022-02-10 22:01:36,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:01:36" (1/1) ... [2022-02-10 22:01:36,489 INFO L137 Inliner]: procedures = 270, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 92 [2022-02-10 22:01:36,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 22:01:36,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 22:01:36,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 22:01:36,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 22:01:36,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:01:36" (1/1) ... [2022-02-10 22:01:36,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:01:36" (1/1) ... [2022-02-10 22:01:36,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:01:36" (1/1) ... [2022-02-10 22:01:36,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:01:36" (1/1) ... [2022-02-10 22:01:36,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:01:36" (1/1) ... [2022-02-10 22:01:36,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:01:36" (1/1) ... [2022-02-10 22:01:36,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:01:36" (1/1) ... [2022-02-10 22:01:36,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 22:01:36,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 22:01:36,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 22:01:36,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 22:01:36,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:01:36" (1/1) ... [2022-02-10 22:01:36,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 22:01:36,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:01:36,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-10 22:01:36,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-10 22:01:36,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 22:01:36,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 22:01:36,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 22:01:36,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 22:01:36,627 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 22:01:36,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 22:01:36,628 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-10 22:01:36,628 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-10 22:01:36,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 22:01:36,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 22:01:36,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 22:01:36,630 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 22:01:36,799 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 22:01:36,800 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 22:01:37,010 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 22:01:37,017 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 22:01:37,017 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2022-02-10 22:01:37,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 10:01:37 BoogieIcfgContainer [2022-02-10 22:01:37,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 22:01:37,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 22:01:37,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 22:01:37,023 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 22:01:37,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 10:01:35" (1/3) ... [2022-02-10 22:01:37,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@555cbcd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 10:01:37, skipping insertion in model container [2022-02-10 22:01:37,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:01:36" (2/3) ... [2022-02-10 22:01:37,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@555cbcd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 10:01:37, skipping insertion in model container [2022-02-10 22:01:37,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 10:01:37" (3/3) ... [2022-02-10 22:01:37,026 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_07-cond_racing2.i [2022-02-10 22:01:37,030 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 22:01:37,030 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 22:01:37,030 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-10 22:01:37,031 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 22:01:37,062 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,063 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,063 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,063 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,063 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,063 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,063 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,064 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,064 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,065 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,065 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,065 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,065 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,066 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,066 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,066 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,066 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,066 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,067 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,067 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,067 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,067 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,067 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,068 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,068 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,068 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,068 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,068 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,069 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,069 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,069 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,069 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,069 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,069 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,070 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,070 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,073 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,073 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,073 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,073 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,073 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,073 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,073 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,074 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,074 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,076 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-10 22:01:37,136 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 22:01:37,142 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 22:01:37,142 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-10 22:01:37,152 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 117 places, 129 transitions, 266 flow [2022-02-10 22:01:37,226 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 758 states, 755 states have (on average 2.2132450331125826) internal successors, (1671), 757 states have internal predecessors, (1671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:01:37,231 INFO L276 IsEmpty]: Start isEmpty. Operand has 758 states, 755 states have (on average 2.2132450331125826) internal successors, (1671), 757 states have internal predecessors, (1671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:01:37,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-02-10 22:01:37,239 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:01:37,239 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:01:37,240 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 22:01:37,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:01:37,244 INFO L85 PathProgramCache]: Analyzing trace with hash -921644928, now seen corresponding path program 1 times [2022-02-10 22:01:37,251 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:01:37,251 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687566522] [2022-02-10 22:01:37,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:01:37,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:01:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:01:37,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:01:37,550 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:01:37,551 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687566522] [2022-02-10 22:01:37,551 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687566522] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:01:37,551 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:01:37,551 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 22:01:37,553 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949321541] [2022-02-10 22:01:37,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:01:37,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 22:01:37,557 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:01:37,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 22:01:37,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 22:01:37,585 INFO L87 Difference]: Start difference. First operand has 758 states, 755 states have (on average 2.2132450331125826) internal successors, (1671), 757 states have internal predecessors, (1671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:01:37,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:01:37,660 INFO L93 Difference]: Finished difference Result 716 states and 1354 transitions. [2022-02-10 22:01:37,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 22:01:37,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-02-10 22:01:37,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:01:37,687 INFO L225 Difference]: With dead ends: 716 [2022-02-10 22:01:37,687 INFO L226 Difference]: Without dead ends: 647 [2022-02-10 22:01:37,690 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 22:01:37,695 INFO L934 BasicCegarLoop]: 92 mSDtfsCounter, 30 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:01:37,699 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 178 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:01:37,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2022-02-10 22:01:37,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 647. [2022-02-10 22:01:37,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 645 states have (on average 1.889922480620155) internal successors, (1219), 646 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:01:37,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 1219 transitions. [2022-02-10 22:01:37,788 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 1219 transitions. Word has length 57 [2022-02-10 22:01:37,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:01:37,789 INFO L470 AbstractCegarLoop]: Abstraction has 647 states and 1219 transitions. [2022-02-10 22:01:37,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:01:37,797 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1219 transitions. [2022-02-10 22:01:37,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-02-10 22:01:37,799 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:01:37,799 INFO L515 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:01:37,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 22:01:37,800 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 22:01:37,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:01:37,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1426448650, now seen corresponding path program 1 times [2022-02-10 22:01:37,800 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:01:37,801 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977817982] [2022-02-10 22:01:37,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:01:37,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:01:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 22:01:37,872 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-10 22:01:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 22:01:37,942 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-10 22:01:37,942 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-10 22:01:37,944 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-02-10 22:01:37,945 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-02-10 22:01:37,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 22:01:37,949 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-10 22:01:37,950 WARN L239 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-10 22:01:37,950 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-02-10 22:01:37,980 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,980 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,980 WARN L322 ript$VariableManager]: TermVariable t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,980 WARN L322 ript$VariableManager]: TermVariable t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,980 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,980 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,981 WARN L322 ript$VariableManager]: TermVariable t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,981 WARN L322 ript$VariableManager]: TermVariable t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,981 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,981 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,981 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,981 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,981 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,981 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,982 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,982 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,982 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,982 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,982 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,982 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,982 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,982 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,983 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,983 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,983 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,983 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,984 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,984 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,984 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,984 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,984 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,984 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,984 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,985 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,985 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,985 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,985 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,985 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,986 WARN L322 ript$VariableManager]: TermVariable t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,986 WARN L322 ript$VariableManager]: TermVariable t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,986 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,986 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,986 WARN L322 ript$VariableManager]: TermVariable t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,986 WARN L322 ript$VariableManager]: TermVariable t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,986 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,986 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,986 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,986 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,987 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,987 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,987 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,987 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,987 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,987 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,987 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,987 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,988 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,988 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,988 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,988 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,988 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,988 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,988 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,988 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,988 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,989 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,989 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,989 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,989 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,989 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,989 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,990 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,990 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,990 WARN L322 ript$VariableManager]: TermVariable t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,990 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,990 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,991 WARN L322 ript$VariableManager]: TermVariable t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,991 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,991 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,991 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,991 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,992 WARN L322 ript$VariableManager]: TermVariable t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,992 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,992 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,993 WARN L322 ript$VariableManager]: TermVariable t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,993 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,993 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,993 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,993 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,993 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:37,996 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-10 22:01:37,999 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 22:01:38,002 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 22:01:38,003 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-10 22:01:38,010 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 142 places, 159 transitions, 336 flow [2022-02-10 22:01:38,631 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 16605 states, 16601 states have (on average 3.4781037286910426) internal successors, (57740), 16604 states have internal predecessors, (57740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:01:38,673 INFO L276 IsEmpty]: Start isEmpty. Operand has 16605 states, 16601 states have (on average 3.4781037286910426) internal successors, (57740), 16604 states have internal predecessors, (57740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:01:38,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-02-10 22:01:38,675 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:01:38,675 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:01:38,676 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 22:01:38,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:01:38,677 INFO L85 PathProgramCache]: Analyzing trace with hash -982098402, now seen corresponding path program 1 times [2022-02-10 22:01:38,677 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:01:38,677 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597497488] [2022-02-10 22:01:38,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:01:38,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:01:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:01:38,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:01:38,713 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:01:38,713 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597497488] [2022-02-10 22:01:38,713 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597497488] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:01:38,713 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:01:38,713 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 22:01:38,714 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591888307] [2022-02-10 22:01:38,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:01:38,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-10 22:01:38,714 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:01:38,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-10 22:01:38,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-10 22:01:38,761 INFO L87 Difference]: Start difference. First operand has 16605 states, 16601 states have (on average 3.4781037286910426) internal successors, (57740), 16604 states have internal predecessors, (57740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:01:39,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:01:39,000 INFO L93 Difference]: Finished difference Result 16052 states and 46040 transitions. [2022-02-10 22:01:39,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 22:01:39,003 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-02-10 22:01:39,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:01:39,166 INFO L225 Difference]: With dead ends: 16052 [2022-02-10 22:01:39,166 INFO L226 Difference]: Without dead ends: 14393 [2022-02-10 22:01:39,166 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-10 22:01:39,189 INFO L934 BasicCegarLoop]: 117 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:01:39,190 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:01:39,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14393 states. [2022-02-10 22:01:39,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14393 to 14393. [2022-02-10 22:01:39,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14393 states, 14389 states have (on average 2.8687886580026407) internal successors, (41279), 14392 states have internal predecessors, (41279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:01:39,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14393 states to 14393 states and 41279 transitions. [2022-02-10 22:01:39,773 INFO L78 Accepts]: Start accepts. Automaton has 14393 states and 41279 transitions. Word has length 57 [2022-02-10 22:01:39,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:01:39,774 INFO L470 AbstractCegarLoop]: Abstraction has 14393 states and 41279 transitions. [2022-02-10 22:01:39,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:01:39,775 INFO L276 IsEmpty]: Start isEmpty. Operand 14393 states and 41279 transitions. [2022-02-10 22:01:39,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-02-10 22:01:39,779 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:01:39,779 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:01:39,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 22:01:39,780 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 22:01:39,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:01:39,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1275501409, now seen corresponding path program 1 times [2022-02-10 22:01:39,780 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:01:39,780 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691485295] [2022-02-10 22:01:39,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:01:39,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:01:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:01:39,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:01:39,863 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:01:39,864 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691485295] [2022-02-10 22:01:39,864 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691485295] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:01:39,864 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:01:39,864 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 22:01:39,864 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465941761] [2022-02-10 22:01:39,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:01:39,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 22:01:39,865 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:01:39,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 22:01:39,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 22:01:39,867 INFO L87 Difference]: Start difference. First operand 14393 states and 41279 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:01:39,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:01:39,990 INFO L93 Difference]: Finished difference Result 14378 states and 41263 transitions. [2022-02-10 22:01:39,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 22:01:40,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-02-10 22:01:40,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:01:40,141 INFO L225 Difference]: With dead ends: 14378 [2022-02-10 22:01:40,142 INFO L226 Difference]: Without dead ends: 14378 [2022-02-10 22:01:40,142 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 22:01:40,148 INFO L934 BasicCegarLoop]: 111 mSDtfsCounter, 30 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:01:40,148 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 218 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:01:40,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14378 states. [2022-02-10 22:01:40,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14378 to 14378. [2022-02-10 22:01:40,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14378 states, 14375 states have (on average 2.8704695652173915) internal successors, (41263), 14377 states have internal predecessors, (41263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:01:40,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14378 states to 14378 states and 41263 transitions. [2022-02-10 22:01:40,624 INFO L78 Accepts]: Start accepts. Automaton has 14378 states and 41263 transitions. Word has length 57 [2022-02-10 22:01:40,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:01:40,625 INFO L470 AbstractCegarLoop]: Abstraction has 14378 states and 41263 transitions. [2022-02-10 22:01:40,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:01:40,625 INFO L276 IsEmpty]: Start isEmpty. Operand 14378 states and 41263 transitions. [2022-02-10 22:01:40,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-02-10 22:01:40,627 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:01:40,627 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:01:40,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 22:01:40,627 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 22:01:40,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:01:40,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1056172317, now seen corresponding path program 1 times [2022-02-10 22:01:40,628 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:01:40,628 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315486459] [2022-02-10 22:01:40,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:01:40,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:01:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:01:40,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:01:40,730 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:01:40,730 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315486459] [2022-02-10 22:01:40,730 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315486459] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 22:01:40,730 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898904719] [2022-02-10 22:01:40,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:01:40,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:01:40,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:01:40,734 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 22:01:40,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-10 22:01:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:01:40,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-10 22:01:40,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 22:01:41,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:01:41,060 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 22:01:41,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:01:41,271 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898904719] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 22:01:41,272 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 22:01:41,272 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-10 22:01:41,272 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872917275] [2022-02-10 22:01:41,272 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 22:01:41,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 22:01:41,273 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:01:41,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 22:01:41,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-10 22:01:41,273 INFO L87 Difference]: Start difference. First operand 14378 states and 41263 transitions. Second operand has 10 states, 10 states have (on average 8.9) internal successors, (89), 10 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:01:41,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:01:41,407 INFO L93 Difference]: Finished difference Result 6098 states and 16921 transitions. [2022-02-10 22:01:41,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 22:01:41,408 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 10 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-02-10 22:01:41,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:01:41,422 INFO L225 Difference]: With dead ends: 6098 [2022-02-10 22:01:41,422 INFO L226 Difference]: Without dead ends: 6098 [2022-02-10 22:01:41,423 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-02-10 22:01:41,423 INFO L934 BasicCegarLoop]: 138 mSDtfsCounter, 374 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:01:41,424 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [374 Valid, 726 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:01:41,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6098 states. [2022-02-10 22:01:41,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6098 to 6098. [2022-02-10 22:01:41,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6098 states, 6097 states have (on average 2.7752993275381335) internal successors, (16921), 6097 states have internal predecessors, (16921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:01:41,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6098 states to 6098 states and 16921 transitions. [2022-02-10 22:01:41,560 INFO L78 Accepts]: Start accepts. Automaton has 6098 states and 16921 transitions. Word has length 67 [2022-02-10 22:01:41,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:01:41,561 INFO L470 AbstractCegarLoop]: Abstraction has 6098 states and 16921 transitions. [2022-02-10 22:01:41,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 10 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:01:41,561 INFO L276 IsEmpty]: Start isEmpty. Operand 6098 states and 16921 transitions. [2022-02-10 22:01:41,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-02-10 22:01:41,563 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:01:41,563 INFO L515 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:01:41,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-10 22:01:41,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:01:41,780 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 22:01:41,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:01:41,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1133667776, now seen corresponding path program 1 times [2022-02-10 22:01:41,780 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:01:41,780 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843837274] [2022-02-10 22:01:41,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:01:41,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:01:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 22:01:41,800 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-10 22:01:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 22:01:41,825 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-10 22:01:41,826 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-10 22:01:41,826 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-02-10 22:01:41,826 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-02-10 22:01:41,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-10 22:01:41,827 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-10 22:01:41,827 WARN L239 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-10 22:01:41,827 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-02-10 22:01:41,841 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,842 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,842 WARN L322 ript$VariableManager]: TermVariable t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,842 WARN L322 ript$VariableManager]: TermVariable t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,842 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,842 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,842 WARN L322 ript$VariableManager]: TermVariable t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,842 WARN L322 ript$VariableManager]: TermVariable t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,842 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,842 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,843 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,843 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,843 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,843 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,843 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,843 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,843 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,843 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,843 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,844 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,844 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,844 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,844 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,844 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,844 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,844 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,845 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,846 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,847 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,847 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,847 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,847 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,847 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,847 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,848 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,848 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,848 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,848 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,849 WARN L322 ript$VariableManager]: TermVariable t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,849 WARN L322 ript$VariableManager]: TermVariable t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,849 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,849 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,849 WARN L322 ript$VariableManager]: TermVariable t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,849 WARN L322 ript$VariableManager]: TermVariable t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,849 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,849 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,850 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,850 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,850 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,850 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,850 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,850 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,850 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,850 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,851 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,851 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,851 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,851 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,851 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,851 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,851 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,851 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,855 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,856 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,856 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,856 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,856 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,856 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,856 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,857 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,857 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,857 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,858 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,858 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,858 WARN L322 ript$VariableManager]: TermVariable t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,858 WARN L322 ript$VariableManager]: TermVariable t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,858 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,858 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,858 WARN L322 ript$VariableManager]: TermVariable t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,858 WARN L322 ript$VariableManager]: TermVariable t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,859 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,859 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,859 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,859 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,859 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,859 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,859 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,859 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,860 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,860 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,860 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,860 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,860 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,860 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,860 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,860 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,861 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,861 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,861 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,861 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,861 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,861 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,861 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,861 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,861 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,861 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,862 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,862 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,862 WARN L322 ript$VariableManager]: TermVariable t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,862 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,862 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,863 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,863 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,863 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,863 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,863 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,863 WARN L322 ript$VariableManager]: TermVariable t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,863 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,864 WARN L322 ript$VariableManager]: TermVariable t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,864 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,864 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,864 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,864 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,864 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,864 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,864 WARN L322 ript$VariableManager]: TermVariable t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,865 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,865 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,865 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,865 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,865 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,865 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,865 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,865 WARN L322 ript$VariableManager]: TermVariable t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,866 WARN L322 ript$VariableManager]: TermVariable t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:41,868 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-10 22:01:41,869 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 22:01:41,870 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 22:01:41,870 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-10 22:01:41,873 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 167 places, 189 transitions, 408 flow [2022-02-10 22:01:53,324 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 381086 states, 381081 states have (on average 4.699901070900937) internal successors, (1791043), 381085 states have internal predecessors, (1791043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:01:53,988 INFO L276 IsEmpty]: Start isEmpty. Operand has 381086 states, 381081 states have (on average 4.699901070900937) internal successors, (1791043), 381085 states have internal predecessors, (1791043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:01:53,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-02-10 22:01:53,989 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:01:53,989 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:01:53,990 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 22:01:53,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:01:53,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1028393307, now seen corresponding path program 1 times [2022-02-10 22:01:53,990 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:01:53,990 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557386664] [2022-02-10 22:01:53,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:01:53,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:01:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:01:54,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:01:54,014 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:01:54,014 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557386664] [2022-02-10 22:01:54,014 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557386664] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:01:54,014 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:01:54,015 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 22:01:54,015 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985651529] [2022-02-10 22:01:54,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:01:54,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-10 22:01:54,015 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:01:54,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-10 22:01:54,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-10 22:01:55,872 INFO L87 Difference]: Start difference. First operand has 381086 states, 381081 states have (on average 4.699901070900937) internal successors, (1791043), 381085 states have internal predecessors, (1791043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:02:01,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:02:01,958 INFO L93 Difference]: Finished difference Result 368366 states and 1410377 transitions. [2022-02-10 22:02:01,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 22:02:01,959 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-02-10 22:02:01,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:02:05,681 INFO L225 Difference]: With dead ends: 368366 [2022-02-10 22:02:05,681 INFO L226 Difference]: Without dead ends: 330206 [2022-02-10 22:02:05,682 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-10 22:02:05,682 INFO L934 BasicCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:02:05,683 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:02:07,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330206 states. [2022-02-10 22:02:20,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330206 to 330206. [2022-02-10 22:02:21,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330206 states, 330201 states have (on average 3.829101062686061) internal successors, (1264373), 330205 states have internal predecessors, (1264373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:02:24,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330206 states to 330206 states and 1264373 transitions. [2022-02-10 22:02:24,861 INFO L78 Accepts]: Start accepts. Automaton has 330206 states and 1264373 transitions. Word has length 57 [2022-02-10 22:02:24,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:02:24,861 INFO L470 AbstractCegarLoop]: Abstraction has 330206 states and 1264373 transitions. [2022-02-10 22:02:24,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:02:24,863 INFO L276 IsEmpty]: Start isEmpty. Operand 330206 states and 1264373 transitions. [2022-02-10 22:02:24,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-02-10 22:02:24,864 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:02:24,864 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:02:24,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-10 22:02:24,864 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 22:02:24,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:02:24,865 INFO L85 PathProgramCache]: Analyzing trace with hash 734990300, now seen corresponding path program 1 times [2022-02-10 22:02:24,865 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:02:24,865 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010404444] [2022-02-10 22:02:24,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:02:24,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:02:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:02:24,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:02:24,918 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:02:24,919 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010404444] [2022-02-10 22:02:24,919 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010404444] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:02:24,919 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:02:24,919 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 22:02:24,919 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507475978] [2022-02-10 22:02:24,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:02:24,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 22:02:24,920 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:02:24,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 22:02:24,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 22:02:24,920 INFO L87 Difference]: Start difference. First operand 330206 states and 1264373 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:02:33,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:02:33,419 INFO L93 Difference]: Finished difference Result 330191 states and 1264357 transitions. [2022-02-10 22:02:33,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 22:02:33,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-02-10 22:02:33,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:02:41,131 INFO L225 Difference]: With dead ends: 330191 [2022-02-10 22:02:41,131 INFO L226 Difference]: Without dead ends: 330191 [2022-02-10 22:02:41,131 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 22:02:41,133 INFO L934 BasicCegarLoop]: 133 mSDtfsCounter, 30 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:02:41,134 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 262 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:02:43,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330191 states. [2022-02-10 22:03:00,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330191 to 330191. [2022-02-10 22:03:02,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330191 states, 330187 states have (on average 3.8292149600075107) internal successors, (1264357), 330190 states have internal predecessors, (1264357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:03:06,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330191 states to 330191 states and 1264357 transitions. [2022-02-10 22:03:06,992 INFO L78 Accepts]: Start accepts. Automaton has 330191 states and 1264357 transitions. Word has length 57 [2022-02-10 22:03:06,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:03:06,993 INFO L470 AbstractCegarLoop]: Abstraction has 330191 states and 1264357 transitions. [2022-02-10 22:03:06,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:03:06,993 INFO L276 IsEmpty]: Start isEmpty. Operand 330191 states and 1264357 transitions. [2022-02-10 22:03:07,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-02-10 22:03:07,004 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:03:07,004 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:03:07,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-10 22:03:07,004 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 22:03:07,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:03:07,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1246462806, now seen corresponding path program 1 times [2022-02-10 22:03:07,005 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:03:07,005 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040790249] [2022-02-10 22:03:07,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:03:07,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:03:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:03:07,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:03:07,117 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:03:07,117 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040790249] [2022-02-10 22:03:07,117 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040790249] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 22:03:07,117 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171704311] [2022-02-10 22:03:07,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:03:07,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:03:07,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:03:07,151 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 22:03:07,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-10 22:03:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:03:07,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-10 22:03:07,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 22:03:07,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:03:07,436 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 22:03:07,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:03:07,630 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171704311] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 22:03:07,630 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 22:03:07,630 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-10 22:03:07,630 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114645399] [2022-02-10 22:03:07,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 22:03:07,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 22:03:07,631 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:03:07,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 22:03:07,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-10 22:03:07,632 INFO L87 Difference]: Start difference. First operand 330191 states and 1264357 transitions. Second operand has 10 states, 10 states have (on average 8.9) internal successors, (89), 10 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)