/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_06-cond_racing1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 22:01:19,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 22:01:19,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 22:01:19,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-10 22:01:19,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 22:01:19,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 22:01:19,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 22:01:19,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 22:01:19,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 22:01:19,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 22:01:19,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 22:01:19,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 22:01:19,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 22:01:19,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 22:01:19,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 22:01:19,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 22:01:19,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-10 22:01:19,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 22:01:19,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 22:01:19,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 22:01:19,516 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 22:01:19,547 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 22:01:19,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 22:01:19,548 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 22:01:19,548 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 22:01:19,549 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 22:01:19,549 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 22:01:19,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 22:01:19,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 22:01:19,550 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 22:01:19,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 22:01:19,551 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 22:01:19,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 22:01:19,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 22:01:19,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 22:01:19,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 22:01:19,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 22:01:19,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 22:01:19,552 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 22:01:19,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 22:01:19,552 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 22:01:19,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 22:01:19,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 22:01:19,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 22:01:19,552 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 22:01:19,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 22:01:19,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 22:01:19,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 22:01:19,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 22:01:19,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 22:01:19,553 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 22:01:19,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 22:01:19,553 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 22:01:19,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 22:01:19,554 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 22:01:19,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 22:01:19,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 22:01:19,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 22:01:19,791 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 22:01:19,792 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 22:01:19,793 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i [2022-02-10 22:01:19,864 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0193009b/64c592072acc4493a004050601c2dfdb/FLAG8076c3b1f [2022-02-10 22:01:20,309 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 22:01:20,309 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i [2022-02-10 22:01:20,326 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0193009b/64c592072acc4493a004050601c2dfdb/FLAG8076c3b1f [2022-02-10 22:01:20,672 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0193009b/64c592072acc4493a004050601c2dfdb [2022-02-10 22:01:20,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 22:01:20,675 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 22:01:20,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 22:01:20,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 22:01:20,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 22:01:20,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 10:01:20" (1/1) ... [2022-02-10 22:01:20,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ccda4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:01:20, skipping insertion in model container [2022-02-10 22:01:20,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 10:01:20" (1/1) ... [2022-02-10 22:01:20,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 22:01:20,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 22:01:21,155 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_06-cond_racing1.i[41322,41335] [2022-02-10 22:01:21,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 22:01:21,189 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 22:01:21,233 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_06-cond_racing1.i[41322,41335] [2022-02-10 22:01:21,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 22:01:21,295 INFO L208 MainTranslator]: Completed translation [2022-02-10 22:01:21,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:01:21 WrapperNode [2022-02-10 22:01:21,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 22:01:21,297 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 22:01:21,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 22:01:21,297 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 22:01:21,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:01:21" (1/1) ... [2022-02-10 22:01:21,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:01:21" (1/1) ... [2022-02-10 22:01:21,348 INFO L137 Inliner]: procedures = 270, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 91 [2022-02-10 22:01:21,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 22:01:21,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 22:01:21,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 22:01:21,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 22:01:21,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:01:21" (1/1) ... [2022-02-10 22:01:21,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:01:21" (1/1) ... [2022-02-10 22:01:21,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:01:21" (1/1) ... [2022-02-10 22:01:21,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:01:21" (1/1) ... [2022-02-10 22:01:21,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:01:21" (1/1) ... [2022-02-10 22:01:21,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:01:21" (1/1) ... [2022-02-10 22:01:21,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:01:21" (1/1) ... [2022-02-10 22:01:21,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 22:01:21,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 22:01:21,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 22:01:21,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 22:01:21,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:01:21" (1/1) ... [2022-02-10 22:01:21,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 22:01:21,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:01:21,415 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 22:01:21,417 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 22:01:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 22:01:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 22:01:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 22:01:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 22:01:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 22:01:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 22:01:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-10 22:01:21,445 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-10 22:01:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 22:01:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 22:01:21,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 22:01:21,446 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 22:01:21,579 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 22:01:21,580 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 22:01:21,776 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 22:01:21,782 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 22:01:21,782 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2022-02-10 22:01:21,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 10:01:21 BoogieIcfgContainer [2022-02-10 22:01:21,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 22:01:21,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 22:01:21,786 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 22:01:21,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 22:01:21,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 10:01:20" (1/3) ... [2022-02-10 22:01:21,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a771253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 10:01:21, skipping insertion in model container [2022-02-10 22:01:21,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:01:21" (2/3) ... [2022-02-10 22:01:21,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a771253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 10:01:21, skipping insertion in model container [2022-02-10 22:01:21,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 10:01:21" (3/3) ... [2022-02-10 22:01:21,791 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_06-cond_racing1.i [2022-02-10 22:01:21,795 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 22:01:21,795 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 22:01:21,795 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-10 22:01:21,796 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 22:01:21,851 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,851 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,852 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,852 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,852 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,852 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,852 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,852 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,853 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,853 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,853 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,853 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,853 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,853 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,854 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,854 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,854 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,854 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,854 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,855 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,855 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,855 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,855 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,855 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,855 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,855 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,856 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,856 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,856 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,856 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,856 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,857 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,861 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,862 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,862 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,862 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,865 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,865 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,865 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,865 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,865 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,866 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,867 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,867 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,867 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:21,873 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-10 22:01:21,924 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 22:01:21,933 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 22:01:21,933 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-10 22:01:21,946 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 115 places, 127 transitions, 262 flow [2022-02-10 22:01:22,026 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 756 states, 753 states have (on average 2.2164674634794155) internal successors, (1669), 755 states have internal predecessors, (1669), 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 22:01:22,030 INFO L276 IsEmpty]: Start isEmpty. Operand has 756 states, 753 states have (on average 2.2164674634794155) internal successors, (1669), 755 states have internal predecessors, (1669), 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 22:01:22,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-02-10 22:01:22,038 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:01:22,038 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] [2022-02-10 22:01:22,039 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 22:01:22,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:01:22,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1000137301, now seen corresponding path program 1 times [2022-02-10 22:01:22,052 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:01:22,052 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162234789] [2022-02-10 22:01:22,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:01:22,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:01:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:01:22,296 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 22:01:22,297 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:01:22,297 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162234789] [2022-02-10 22:01:22,298 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162234789] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:01:22,298 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:01:22,298 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 22:01:22,299 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607178039] [2022-02-10 22:01:22,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:01:22,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-10 22:01:22,304 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:01:22,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-10 22:01:22,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-10 22:01:22,335 INFO L87 Difference]: Start difference. First operand has 756 states, 753 states have (on average 2.2164674634794155) internal successors, (1669), 755 states have internal predecessors, (1669), 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 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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 22:01:22,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:01:22,381 INFO L93 Difference]: Finished difference Result 732 states and 1371 transitions. [2022-02-10 22:01:22,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 22:01:22,390 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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 55 [2022-02-10 22:01:22,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:01:22,406 INFO L225 Difference]: With dead ends: 732 [2022-02-10 22:01:22,407 INFO L226 Difference]: Without dead ends: 660 [2022-02-10 22:01:22,408 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 22:01:22,411 INFO L934 BasicCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:01:22,412 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:01:22,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2022-02-10 22:01:22,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 660. [2022-02-10 22:01:22,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 657 states have (on average 1.8767123287671232) internal successors, (1233), 659 states have internal predecessors, (1233), 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 22:01:22,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 1233 transitions. [2022-02-10 22:01:22,494 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 1233 transitions. Word has length 55 [2022-02-10 22:01:22,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:01:22,496 INFO L470 AbstractCegarLoop]: Abstraction has 660 states and 1233 transitions. [2022-02-10 22:01:22,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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 22:01:22,504 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1233 transitions. [2022-02-10 22:01:22,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-02-10 22:01:22,505 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:01:22,505 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] [2022-02-10 22:01:22,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 22:01:22,506 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 22:01:22,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:01:22,507 INFO L85 PathProgramCache]: Analyzing trace with hash 706734294, now seen corresponding path program 1 times [2022-02-10 22:01:22,507 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:01:22,507 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114253931] [2022-02-10 22:01:22,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:01:22,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:01:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:01:22,606 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 22:01:22,607 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:01:22,607 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114253931] [2022-02-10 22:01:22,607 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114253931] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:01:22,607 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:01:22,607 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 22:01:22,607 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968358693] [2022-02-10 22:01:22,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:01:22,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 22:01:22,609 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:01:22,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 22:01:22,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 22:01:22,610 INFO L87 Difference]: Start difference. First operand 660 states and 1233 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 22:01:22,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:01:22,644 INFO L93 Difference]: Finished difference Result 645 states and 1217 transitions. [2022-02-10 22:01:22,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 22:01:22,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 55 [2022-02-10 22:01:22,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:01:22,648 INFO L225 Difference]: With dead ends: 645 [2022-02-10 22:01:22,648 INFO L226 Difference]: Without dead ends: 645 [2022-02-10 22:01:22,648 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 22:01:22,649 INFO L934 BasicCegarLoop]: 87 mSDtfsCounter, 30 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 168 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 22:01:22,650 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 168 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:01:22,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2022-02-10 22:01:22,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 645. [2022-02-10 22:01:22,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 643 states have (on average 1.8926905132192846) internal successors, (1217), 644 states have internal predecessors, (1217), 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 22:01:22,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 1217 transitions. [2022-02-10 22:01:22,672 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 1217 transitions. Word has length 55 [2022-02-10 22:01:22,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:01:22,672 INFO L470 AbstractCegarLoop]: Abstraction has 645 states and 1217 transitions. [2022-02-10 22:01:22,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 22:01:22,673 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1217 transitions. [2022-02-10 22:01:22,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-02-10 22:01:22,675 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:01:22,675 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] [2022-02-10 22:01:22,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 22:01:22,675 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 22:01:22,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:01:22,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1070178912, now seen corresponding path program 1 times [2022-02-10 22:01:22,676 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:01:22,676 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734515557] [2022-02-10 22:01:22,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:01:22,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:01:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 22:01:22,727 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-10 22:01:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 22:01:22,771 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-10 22:01:22,772 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-10 22:01:22,773 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-02-10 22:01:22,774 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-02-10 22:01:22,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 22:01:22,777 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-10 22:01:22,778 WARN L239 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-10 22:01:22,778 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-02-10 22:01:22,789 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,789 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,790 WARN L322 ript$VariableManager]: TermVariable t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,790 WARN L322 ript$VariableManager]: TermVariable t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,790 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,790 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,790 WARN L322 ript$VariableManager]: TermVariable t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,790 WARN L322 ript$VariableManager]: TermVariable t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,790 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,790 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,791 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,791 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,791 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,791 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,791 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,792 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,792 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,792 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,792 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,792 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,792 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,792 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,793 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,793 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,793 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,793 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,793 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,793 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,793 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,794 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,794 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,794 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,794 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,794 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,794 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,794 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,795 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,795 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,795 WARN L322 ript$VariableManager]: TermVariable t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,795 WARN L322 ript$VariableManager]: TermVariable t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,795 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,795 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,795 WARN L322 ript$VariableManager]: TermVariable t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,796 WARN L322 ript$VariableManager]: TermVariable t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,796 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,796 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,796 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,796 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,796 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,796 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,797 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,797 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,797 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,797 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,797 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,798 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,798 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,798 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,798 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,798 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,798 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,798 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,798 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,799 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,799 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,799 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,799 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,799 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,799 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,799 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,800 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,800 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,800 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,800 WARN L322 ript$VariableManager]: TermVariable t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,801 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,801 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,801 WARN L322 ript$VariableManager]: TermVariable t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,801 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,801 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,801 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,801 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,802 WARN L322 ript$VariableManager]: TermVariable t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,802 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,802 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,802 WARN L322 ript$VariableManager]: TermVariable t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,802 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,802 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,802 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,802 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,803 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:22,805 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-10 22:01:22,807 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 22:01:22,808 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 22:01:22,808 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-10 22:01:22,812 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 140 places, 157 transitions, 332 flow [2022-02-10 22:01:23,492 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 16603 states, 16599 states have (on average 3.478402313392373) internal successors, (57738), 16602 states have internal predecessors, (57738), 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 22:01:23,541 INFO L276 IsEmpty]: Start isEmpty. Operand has 16603 states, 16599 states have (on average 3.478402313392373) internal successors, (57738), 16602 states have internal predecessors, (57738), 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 22:01:23,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-02-10 22:01:23,547 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:01:23,547 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] [2022-02-10 22:01:23,547 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 22:01:23,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:01:23,548 INFO L85 PathProgramCache]: Analyzing trace with hash -38755054, now seen corresponding path program 1 times [2022-02-10 22:01:23,549 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:01:23,549 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044895426] [2022-02-10 22:01:23,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:01:23,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:01:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:01:23,603 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 22:01:23,603 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:01:23,603 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044895426] [2022-02-10 22:01:23,603 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044895426] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:01:23,604 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:01:23,604 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 22:01:23,604 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903333688] [2022-02-10 22:01:23,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:01:23,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-10 22:01:23,604 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:01:23,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-10 22:01:23,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-10 22:01:23,642 INFO L87 Difference]: Start difference. First operand has 16603 states, 16599 states have (on average 3.478402313392373) internal successors, (57738), 16602 states have internal predecessors, (57738), 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 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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 22:01:23,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:01:23,891 INFO L93 Difference]: Finished difference Result 16050 states and 46038 transitions. [2022-02-10 22:01:23,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 22:01:23,892 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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 55 [2022-02-10 22:01:23,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:01:23,987 INFO L225 Difference]: With dead ends: 16050 [2022-02-10 22:01:23,987 INFO L226 Difference]: Without dead ends: 14391 [2022-02-10 22:01:23,987 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 22:01:23,989 INFO L934 BasicCegarLoop]: 115 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, 115 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 22:01:23,989 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:01:24,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14391 states. [2022-02-10 22:01:24,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14391 to 14391. [2022-02-10 22:01:24,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14391 states, 14387 states have (on average 2.8690484465142143) internal successors, (41277), 14390 states have internal predecessors, (41277), 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 22:01:24,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14391 states to 14391 states and 41277 transitions. [2022-02-10 22:01:24,621 INFO L78 Accepts]: Start accepts. Automaton has 14391 states and 41277 transitions. Word has length 55 [2022-02-10 22:01:24,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:01:24,622 INFO L470 AbstractCegarLoop]: Abstraction has 14391 states and 41277 transitions. [2022-02-10 22:01:24,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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 22:01:24,623 INFO L276 IsEmpty]: Start isEmpty. Operand 14391 states and 41277 transitions. [2022-02-10 22:01:24,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-02-10 22:01:24,624 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:01:24,624 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] [2022-02-10 22:01:24,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 22:01:24,625 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 22:01:24,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:01:24,626 INFO L85 PathProgramCache]: Analyzing trace with hash -332158061, now seen corresponding path program 1 times [2022-02-10 22:01:24,628 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:01:24,628 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023891705] [2022-02-10 22:01:24,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:01:24,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:01:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:01:24,710 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 22:01:24,711 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:01:24,711 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023891705] [2022-02-10 22:01:24,711 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023891705] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:01:24,711 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:01:24,711 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 22:01:24,711 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405063640] [2022-02-10 22:01:24,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:01:24,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 22:01:24,712 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:01:24,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 22:01:24,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 22:01:24,713 INFO L87 Difference]: Start difference. First operand 14391 states and 41277 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 22:01:24,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:01:24,808 INFO L93 Difference]: Finished difference Result 14376 states and 41261 transitions. [2022-02-10 22:01:24,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 22:01:24,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 55 [2022-02-10 22:01:24,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:01:24,858 INFO L225 Difference]: With dead ends: 14376 [2022-02-10 22:01:24,859 INFO L226 Difference]: Without dead ends: 14376 [2022-02-10 22:01:24,859 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 22:01:24,860 INFO L934 BasicCegarLoop]: 109 mSDtfsCounter, 30 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 214 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 22:01:24,861 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 214 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:01:24,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14376 states. [2022-02-10 22:01:25,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14376 to 14376. [2022-02-10 22:01:25,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14376 states, 14373 states have (on average 2.870729840673485) internal successors, (41261), 14375 states have internal predecessors, (41261), 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 22:01:25,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14376 states to 14376 states and 41261 transitions. [2022-02-10 22:01:25,416 INFO L78 Accepts]: Start accepts. Automaton has 14376 states and 41261 transitions. Word has length 55 [2022-02-10 22:01:25,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:01:25,417 INFO L470 AbstractCegarLoop]: Abstraction has 14376 states and 41261 transitions. [2022-02-10 22:01:25,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 22:01:25,418 INFO L276 IsEmpty]: Start isEmpty. Operand 14376 states and 41261 transitions. [2022-02-10 22:01:25,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-02-10 22:01:25,419 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:01:25,420 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] [2022-02-10 22:01:25,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-10 22:01:25,422 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 22:01:25,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:01:25,424 INFO L85 PathProgramCache]: Analyzing trace with hash 2039958608, now seen corresponding path program 1 times [2022-02-10 22:01:25,424 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:01:25,424 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051569121] [2022-02-10 22:01:25,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:01:25,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:01:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:01:25,523 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 22:01:25,524 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:01:25,524 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051569121] [2022-02-10 22:01:25,525 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051569121] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 22:01:25,525 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007010200] [2022-02-10 22:01:25,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:01:25,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:01:25,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:01:25,527 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 22:01:25,531 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 22:01:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:01:25,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-10 22:01:25,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 22:01:25,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-10 22:01:25,762 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-10 22:01:25,762 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007010200] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:01:25,762 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-10 22:01:25,762 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-02-10 22:01:25,763 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624408770] [2022-02-10 22:01:25,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:01:25,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 22:01:25,764 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:01:25,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 22:01:25,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-10 22:01:25,765 INFO L87 Difference]: Start difference. First operand 14376 states and 41261 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 22:01:25,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:01:25,842 INFO L93 Difference]: Finished difference Result 15480 states and 43881 transitions. [2022-02-10 22:01:25,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 22:01:25,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 65 [2022-02-10 22:01:25,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:01:25,971 INFO L225 Difference]: With dead ends: 15480 [2022-02-10 22:01:25,975 INFO L226 Difference]: Without dead ends: 14376 [2022-02-10 22:01:25,975 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-10 22:01:25,976 INFO L934 BasicCegarLoop]: 156 mSDtfsCounter, 44 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:01:25,979 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 263 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:01:26,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14376 states. [2022-02-10 22:01:26,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14376 to 14376. [2022-02-10 22:01:26,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14376 states, 14373 states have (on average 2.8323244973213666) internal successors, (40709), 14375 states have internal predecessors, (40709), 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 22:01:26,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14376 states to 14376 states and 40709 transitions. [2022-02-10 22:01:26,459 INFO L78 Accepts]: Start accepts. Automaton has 14376 states and 40709 transitions. Word has length 65 [2022-02-10 22:01:26,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:01:26,459 INFO L470 AbstractCegarLoop]: Abstraction has 14376 states and 40709 transitions. [2022-02-10 22:01:26,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 22:01:26,459 INFO L276 IsEmpty]: Start isEmpty. Operand 14376 states and 40709 transitions. [2022-02-10 22:01:26,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-02-10 22:01:26,462 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:01:26,462 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 22:01:26,490 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 22:01:26,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-02-10 22:01:26,688 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 22:01:26,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:01:26,688 INFO L85 PathProgramCache]: Analyzing trace with hash 753067867, now seen corresponding path program 1 times [2022-02-10 22:01:26,689 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:01:26,689 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362845432] [2022-02-10 22:01:26,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:01:26,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:01:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:01:26,739 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 22:01:26,739 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:01:26,740 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362845432] [2022-02-10 22:01:26,740 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362845432] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 22:01:26,740 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36282387] [2022-02-10 22:01:26,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:01:26,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:01:26,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:01:26,741 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 22:01:26,743 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 22:01:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:01:26,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-10 22:01:26,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 22:01:26,980 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 22:01:26,981 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 22:01:27,121 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 22:01:27,122 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36282387] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 22:01:27,122 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 22:01:27,122 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-10 22:01:27,122 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237616903] [2022-02-10 22:01:27,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 22:01:27,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 22:01:27,123 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:01:27,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 22:01:27,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-10 22:01:27,124 INFO L87 Difference]: Start difference. First operand 14376 states and 40709 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 22:01:27,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:01:27,224 INFO L93 Difference]: Finished difference Result 6096 states and 16919 transitions. [2022-02-10 22:01:27,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 22:01:27,225 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 22:01:27,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:01:27,242 INFO L225 Difference]: With dead ends: 6096 [2022-02-10 22:01:27,242 INFO L226 Difference]: Without dead ends: 6096 [2022-02-10 22:01:27,243 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 22:01:27,245 INFO L934 BasicCegarLoop]: 136 mSDtfsCounter, 479 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:01:27,246 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [479 Valid, 806 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:01:27,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6096 states. [2022-02-10 22:01:27,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6096 to 6096. [2022-02-10 22:01:27,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6096 states, 6095 states have (on average 2.775881870385562) internal successors, (16919), 6095 states have internal predecessors, (16919), 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 22:01:27,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6096 states to 6096 states and 16919 transitions. [2022-02-10 22:01:27,484 INFO L78 Accepts]: Start accepts. Automaton has 6096 states and 16919 transitions. Word has length 67 [2022-02-10 22:01:27,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:01:27,485 INFO L470 AbstractCegarLoop]: Abstraction has 6096 states and 16919 transitions. [2022-02-10 22:01:27,485 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 22:01:27,485 INFO L276 IsEmpty]: Start isEmpty. Operand 6096 states and 16919 transitions. [2022-02-10 22:01:27,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-02-10 22:01:27,486 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:01:27,487 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] [2022-02-10 22:01:27,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-10 22:01:27,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-02-10 22:01:27,696 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 22:01:27,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:01:27,696 INFO L85 PathProgramCache]: Analyzing trace with hash -313844173, now seen corresponding path program 1 times [2022-02-10 22:01:27,696 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:01:27,696 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39341189] [2022-02-10 22:01:27,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:01:27,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:01:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 22:01:27,721 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-10 22:01:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 22:01:27,740 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-10 22:01:27,740 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-10 22:01:27,740 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-02-10 22:01:27,741 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-02-10 22:01:27,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-10 22:01:27,741 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-02-10 22:01:27,741 WARN L239 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-10 22:01:27,741 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-02-10 22:01:27,752 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,752 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,752 WARN L322 ript$VariableManager]: TermVariable t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,752 WARN L322 ript$VariableManager]: TermVariable t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,752 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,752 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,752 WARN L322 ript$VariableManager]: TermVariable t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,752 WARN L322 ript$VariableManager]: TermVariable t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,753 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,753 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,753 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,753 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,753 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,753 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,753 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,754 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,754 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,754 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,754 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,754 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,754 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,754 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,754 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,754 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,755 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,755 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,755 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,755 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,755 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,755 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,755 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,755 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,755 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,756 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,756 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,756 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,756 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,756 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,756 WARN L322 ript$VariableManager]: TermVariable t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,756 WARN L322 ript$VariableManager]: TermVariable t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,757 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,757 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,757 WARN L322 ript$VariableManager]: TermVariable t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,757 WARN L322 ript$VariableManager]: TermVariable t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,757 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,757 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,757 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,757 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,757 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,757 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,758 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,758 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,758 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,758 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,758 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,758 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,758 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,758 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,759 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,759 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,759 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,759 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,759 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,759 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,759 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,759 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,759 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,760 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,760 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,760 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,760 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,760 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,760 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,761 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,761 WARN L322 ript$VariableManager]: TermVariable t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,761 WARN L322 ript$VariableManager]: TermVariable t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,761 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,761 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,761 WARN L322 ript$VariableManager]: TermVariable t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,761 WARN L322 ript$VariableManager]: TermVariable t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,761 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,761 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,762 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,762 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,762 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,762 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,762 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,762 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,762 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,762 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,763 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,763 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,763 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,763 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,763 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,763 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,763 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,763 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,764 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,764 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,764 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,764 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,764 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,764 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,764 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,764 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,764 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,765 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,765 WARN L322 ript$VariableManager]: TermVariable t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,765 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,765 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,765 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,765 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,766 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,766 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,766 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,766 WARN L322 ript$VariableManager]: TermVariable t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,766 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,766 WARN L322 ript$VariableManager]: TermVariable t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,766 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,766 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,767 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,767 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,767 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,769 WARN L322 ript$VariableManager]: TermVariable |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,769 WARN L322 ript$VariableManager]: TermVariable t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,770 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,771 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,771 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,771 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,771 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,771 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,771 WARN L322 ript$VariableManager]: TermVariable |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,771 WARN L322 ript$VariableManager]: TermVariable t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,772 WARN L322 ript$VariableManager]: TermVariable t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:01:27,775 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-10 22:01:27,776 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 22:01:27,776 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 22:01:27,776 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-10 22:01:27,780 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 165 places, 187 transitions, 404 flow [2022-02-10 22:01:39,409 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 381084 states, 381079 states have (on average 4.699920488927493) internal successors, (1791041), 381083 states have internal predecessors, (1791041), 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 22:01:40,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 381084 states, 381079 states have (on average 4.699920488927493) internal successors, (1791041), 381083 states have internal predecessors, (1791041), 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 22:01:40,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-02-10 22:01:40,074 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:01:40,074 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] [2022-02-10 22:01:40,075 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 22:01:40,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:01:40,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1057310035, now seen corresponding path program 1 times [2022-02-10 22:01:40,075 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:01:40,075 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511716199] [2022-02-10 22:01:40,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:01:40,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:01:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:01:40,116 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 22:01:40,116 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:01:40,116 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511716199] [2022-02-10 22:01:40,116 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511716199] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:01:40,117 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:01:40,117 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 22:01:40,117 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993869063] [2022-02-10 22:01:40,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:01:40,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-10 22:01:40,117 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:01:40,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-10 22:01:40,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-10 22:01:40,796 INFO L87 Difference]: Start difference. First operand has 381084 states, 381079 states have (on average 4.699920488927493) internal successors, (1791041), 381083 states have internal predecessors, (1791041), 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 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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 22:01:47,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:01:47,932 INFO L93 Difference]: Finished difference Result 368364 states and 1410375 transitions. [2022-02-10 22:01:47,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 22:01:47,933 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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 55 [2022-02-10 22:01:47,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:01:51,941 INFO L225 Difference]: With dead ends: 368364 [2022-02-10 22:01:51,941 INFO L226 Difference]: Without dead ends: 330204 [2022-02-10 22:01:51,941 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 22:01:51,943 INFO L934 BasicCegarLoop]: 137 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, 137 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 22:01:51,944 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:01:53,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330204 states. [2022-02-10 22:02:06,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330204 to 330204. [2022-02-10 22:02:07,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330204 states, 330199 states have (on average 3.829118198419741) internal successors, (1264371), 330203 states have internal predecessors, (1264371), 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 22:02:10,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330204 states to 330204 states and 1264371 transitions. [2022-02-10 22:02:10,633 INFO L78 Accepts]: Start accepts. Automaton has 330204 states and 1264371 transitions. Word has length 55 [2022-02-10 22:02:10,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:02:10,633 INFO L470 AbstractCegarLoop]: Abstraction has 330204 states and 1264371 transitions. [2022-02-10 22:02:10,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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 22:02:10,633 INFO L276 IsEmpty]: Start isEmpty. Operand 330204 states and 1264371 transitions. [2022-02-10 22:02:10,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-02-10 22:02:10,634 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:02:10,634 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] [2022-02-10 22:02:10,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-10 22:02:10,634 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 22:02:10,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:02:10,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1350713042, now seen corresponding path program 1 times [2022-02-10 22:02:10,651 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:02:10,651 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091112862] [2022-02-10 22:02:10,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:02:10,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:02:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:02:10,686 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 22:02:10,686 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:02:10,686 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091112862] [2022-02-10 22:02:10,686 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091112862] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:02:10,686 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:02:10,686 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 22:02:10,687 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220596203] [2022-02-10 22:02:10,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:02:10,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 22:02:10,687 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:02:10,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 22:02:10,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 22:02:10,688 INFO L87 Difference]: Start difference. First operand 330204 states and 1264371 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 22:02:17,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:02:17,115 INFO L93 Difference]: Finished difference Result 330189 states and 1264355 transitions. [2022-02-10 22:02:17,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 22:02:17,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 55 [2022-02-10 22:02:17,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:02:22,252 INFO L225 Difference]: With dead ends: 330189 [2022-02-10 22:02:22,253 INFO L226 Difference]: Without dead ends: 330189 [2022-02-10 22:02:22,253 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 22:02:22,256 INFO L934 BasicCegarLoop]: 131 mSDtfsCounter, 30 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 258 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 22:02:22,257 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 258 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:02:23,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330189 states. [2022-02-10 22:02:41,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330189 to 330189. [2022-02-10 22:02:42,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330189 states, 330185 states have (on average 3.829232097157654) internal successors, (1264355), 330188 states have internal predecessors, (1264355), 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 22:02:47,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330189 states to 330189 states and 1264355 transitions. [2022-02-10 22:02:47,365 INFO L78 Accepts]: Start accepts. Automaton has 330189 states and 1264355 transitions. Word has length 55 [2022-02-10 22:02:47,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:02:47,366 INFO L470 AbstractCegarLoop]: Abstraction has 330189 states and 1264355 transitions. [2022-02-10 22:02:47,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 22:02:47,366 INFO L276 IsEmpty]: Start isEmpty. Operand 330189 states and 1264355 transitions. [2022-02-10 22:02:47,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-02-10 22:02:47,367 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:02:47,367 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] [2022-02-10 22:02:47,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-10 22:02:47,368 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 22:02:47,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:02:47,368 INFO L85 PathProgramCache]: Analyzing trace with hash 523178535, now seen corresponding path program 1 times [2022-02-10 22:02:47,368 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:02:47,369 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56074163] [2022-02-10 22:02:47,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:02:47,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:02:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:02:47,408 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 22:02:47,408 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:02:47,408 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56074163] [2022-02-10 22:02:47,409 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56074163] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 22:02:47,409 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114048251] [2022-02-10 22:02:47,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:02:47,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:02:47,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:02:47,419 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 22:02:47,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-10 22:02:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:02:47,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-10 22:02:47,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 22:02:47,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-10 22:02:47,717 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-10 22:02:47,717 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114048251] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:02:47,717 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-10 22:02:47,717 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-02-10 22:02:47,718 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009985376] [2022-02-10 22:02:47,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:02:47,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 22:02:47,718 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:02:47,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 22:02:47,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-10 22:02:47,719 INFO L87 Difference]: Start difference. First operand 330189 states and 1264355 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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)