/usr/bin/java -Xmx16000000000 -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_41-trylock_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 00:04:24,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 00:04:24,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 00:04:24,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-18 00:04:24,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 00:04:24,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 00:04:24,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 00:04:24,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 00:04:24,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 00:04:24,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 00:04:24,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 00:04:24,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 00:04:24,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 00:04:24,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 00:04:24,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 00:04:24,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 00:04:24,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 00:04:24,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 00:04:24,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 00:04:24,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 00:04:24,142 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 [2022-01-18 00:04:24,167 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 00:04:24,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 00:04:24,168 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 00:04:24,168 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 00:04:24,169 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 00:04:24,169 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 00:04:24,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 00:04:24,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 00:04:24,170 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 00:04:24,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 00:04:24,171 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 00:04:24,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 00:04:24,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 00:04:24,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 00:04:24,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 00:04:24,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 00:04:24,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 00:04:24,171 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 00:04:24,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 00:04:24,172 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 00:04:24,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 00:04:24,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 00:04:24,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 00:04:24,172 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 00:04:24,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 00:04:24,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 00:04:24,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 00:04:24,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 00:04:24,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 00:04:24,173 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 00:04:24,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 00:04:24,173 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 00:04:24,173 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 00:04:24,173 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 00:04:24,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 00:04:24,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 00:04:24,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 00:04:24,364 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 00:04:24,365 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 00:04:24,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_41-trylock_racefree.i [2022-01-18 00:04:24,423 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26779873f/e494aeebf17a4534bd83a7d50c2842d9/FLAG0e7cfa5d5 [2022-01-18 00:04:24,791 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 00:04:24,792 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_41-trylock_racefree.i [2022-01-18 00:04:24,804 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26779873f/e494aeebf17a4534bd83a7d50c2842d9/FLAG0e7cfa5d5 [2022-01-18 00:04:25,166 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26779873f/e494aeebf17a4534bd83a7d50c2842d9 [2022-01-18 00:04:25,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 00:04:25,169 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 00:04:25,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 00:04:25,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 00:04:25,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 00:04:25,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 12:04:25" (1/1) ... [2022-01-18 00:04:25,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e462db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:04:25, skipping insertion in model container [2022-01-18 00:04:25,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 12:04:25" (1/1) ... [2022-01-18 00:04:25,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 00:04:25,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 00:04:25,449 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_41-trylock_racefree.i[30176,30189] [2022-01-18 00:04:25,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 00:04:25,469 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 00:04:25,522 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_41-trylock_racefree.i[30176,30189] [2022-01-18 00:04:25,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 00:04:25,564 INFO L208 MainTranslator]: Completed translation [2022-01-18 00:04:25,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:04:25 WrapperNode [2022-01-18 00:04:25,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 00:04:25,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 00:04:25,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 00:04:25,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 00:04:25,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:04:25" (1/1) ... [2022-01-18 00:04:25,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:04:25" (1/1) ... [2022-01-18 00:04:25,619 INFO L137 Inliner]: procedures = 171, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2022-01-18 00:04:25,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 00:04:25,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 00:04:25,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 00:04:25,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 00:04:25,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:04:25" (1/1) ... [2022-01-18 00:04:25,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:04:25" (1/1) ... [2022-01-18 00:04:25,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:04:25" (1/1) ... [2022-01-18 00:04:25,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:04:25" (1/1) ... [2022-01-18 00:04:25,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:04:25" (1/1) ... [2022-01-18 00:04:25,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:04:25" (1/1) ... [2022-01-18 00:04:25,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:04:25" (1/1) ... [2022-01-18 00:04:25,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 00:04:25,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 00:04:25,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 00:04:25,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 00:04:25,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:04:25" (1/1) ... [2022-01-18 00:04:25,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 00:04:25,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 00:04:25,670 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) [2022-01-18 00:04:25,681 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 [2022-01-18 00:04:25,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 00:04:25,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 00:04:25,703 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-18 00:04:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 00:04:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 00:04:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-18 00:04:25,704 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-18 00:04:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 00:04:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2022-01-18 00:04:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 00:04:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 00:04:25,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 00:04:25,706 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 00:04:25,841 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 00:04:25,842 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 00:04:25,988 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 00:04:25,995 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 00:04:25,995 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2022-01-18 00:04:25,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 12:04:25 BoogieIcfgContainer [2022-01-18 00:04:25,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 00:04:25,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 00:04:25,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 00:04:26,001 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 00:04:26,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 12:04:25" (1/3) ... [2022-01-18 00:04:26,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214ffe96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 12:04:26, skipping insertion in model container [2022-01-18 00:04:26,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:04:25" (2/3) ... [2022-01-18 00:04:26,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214ffe96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 12:04:26, skipping insertion in model container [2022-01-18 00:04:26,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 12:04:25" (3/3) ... [2022-01-18 00:04:26,004 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_41-trylock_racefree.i [2022-01-18 00:04:26,007 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 00:04:26,008 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 00:04:26,008 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 00:04:26,008 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 00:04:26,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,033 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,033 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,034 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,034 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,035 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,035 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,035 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,035 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,035 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,036 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,036 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,036 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,036 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,045 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,045 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,049 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-01-18 00:04:26,084 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 00:04:26,089 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 [2022-01-18 00:04:26,089 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-18 00:04:26,099 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 98 places, 109 transitions, 226 flow [2022-01-18 00:04:26,167 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 695 states, 692 states have (on average 2.277456647398844) internal successors, (1576), 694 states have internal predecessors, (1576), 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) [2022-01-18 00:04:26,171 INFO L276 IsEmpty]: Start isEmpty. Operand has 695 states, 692 states have (on average 2.277456647398844) internal successors, (1576), 694 states have internal predecessors, (1576), 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) [2022-01-18 00:04:26,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-18 00:04:26,177 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:04:26,177 INFO L514 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] [2022-01-18 00:04:26,178 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 00:04:26,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:04:26,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1902334783, now seen corresponding path program 1 times [2022-01-18 00:04:26,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:04:26,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578075341] [2022-01-18 00:04:26,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:04:26,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:04:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:04:26,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:04:26,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:04:26,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578075341] [2022-01-18 00:04:26,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578075341] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:04:26,338 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:04:26,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 00:04:26,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39143789] [2022-01-18 00:04:26,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:04:26,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 00:04:26,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:04:26,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 00:04:26,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 00:04:26,384 INFO L87 Difference]: Start difference. First operand has 695 states, 692 states have (on average 2.277456647398844) internal successors, (1576), 694 states have internal predecessors, (1576), 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 19.5) internal successors, (39), 2 states have internal predecessors, (39), 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) [2022-01-18 00:04:26,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:04:26,429 INFO L93 Difference]: Finished difference Result 671 states and 1266 transitions. [2022-01-18 00:04:26,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 00:04:26,432 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 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 39 [2022-01-18 00:04:26,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:04:26,455 INFO L225 Difference]: With dead ends: 671 [2022-01-18 00:04:26,455 INFO L226 Difference]: Without dead ends: 599 [2022-01-18 00:04:26,457 INFO L932 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 [2022-01-18 00:04:26,459 INFO L933 BasicCegarLoop]: 78 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, 78 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 [2022-01-18 00:04:26,460 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:04:26,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2022-01-18 00:04:26,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2022-01-18 00:04:26,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 596 states have (on average 1.8926174496644295) internal successors, (1128), 598 states have internal predecessors, (1128), 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) [2022-01-18 00:04:26,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 1128 transitions. [2022-01-18 00:04:26,544 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 1128 transitions. Word has length 39 [2022-01-18 00:04:26,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:04:26,547 INFO L470 AbstractCegarLoop]: Abstraction has 599 states and 1128 transitions. [2022-01-18 00:04:26,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 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) [2022-01-18 00:04:26,552 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1128 transitions. [2022-01-18 00:04:26,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-01-18 00:04:26,553 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:04:26,554 INFO L514 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] [2022-01-18 00:04:26,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 00:04:26,554 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 00:04:26,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:04:26,556 INFO L85 PathProgramCache]: Analyzing trace with hash 525085933, now seen corresponding path program 1 times [2022-01-18 00:04:26,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:04:26,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55904611] [2022-01-18 00:04:26,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:04:26,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:04:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:04:26,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:04:26,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:04:26,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55904611] [2022-01-18 00:04:26,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55904611] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:04:26,645 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:04:26,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 00:04:26,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335551358] [2022-01-18 00:04:26,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:04:26,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 00:04:26,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:04:26,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 00:04:26,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 00:04:26,649 INFO L87 Difference]: Start difference. First operand 599 states and 1128 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2022-01-18 00:04:26,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:04:26,698 INFO L93 Difference]: Finished difference Result 586 states and 1114 transitions. [2022-01-18 00:04:26,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 00:04:26,699 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 41 [2022-01-18 00:04:26,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:04:26,701 INFO L225 Difference]: With dead ends: 586 [2022-01-18 00:04:26,701 INFO L226 Difference]: Without dead ends: 586 [2022-01-18 00:04:26,702 INFO L932 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 [2022-01-18 00:04:26,703 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 30 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 138 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 [2022-01-18 00:04:26,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 138 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:04:26,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2022-01-18 00:04:26,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 586. [2022-01-18 00:04:26,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 584 states have (on average 1.9075342465753424) internal successors, (1114), 585 states have internal predecessors, (1114), 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) [2022-01-18 00:04:26,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 1114 transitions. [2022-01-18 00:04:26,719 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 1114 transitions. Word has length 41 [2022-01-18 00:04:26,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:04:26,720 INFO L470 AbstractCegarLoop]: Abstraction has 586 states and 1114 transitions. [2022-01-18 00:04:26,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2022-01-18 00:04:26,720 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 1114 transitions. [2022-01-18 00:04:26,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-01-18 00:04:26,723 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:04:26,723 INFO L514 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] [2022-01-18 00:04:26,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 00:04:26,723 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 00:04:26,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:04:26,724 INFO L85 PathProgramCache]: Analyzing trace with hash 43909355, now seen corresponding path program 1 times [2022-01-18 00:04:26,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:04:26,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835783505] [2022-01-18 00:04:26,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:04:26,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:04:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 00:04:26,777 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 00:04:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 00:04:26,839 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 00:04:26,839 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 00:04:26,840 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-01-18 00:04:26,841 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-01-18 00:04:26,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 00:04:26,844 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-18 00:04:26,847 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-01-18 00:04:26,847 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-01-18 00:04:26,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,873 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,873 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,874 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,874 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,879 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,879 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,879 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,879 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,883 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,883 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,888 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,889 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,889 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,889 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,889 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,892 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,892 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,893 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,893 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,894 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,894 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,894 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,894 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,894 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:26,898 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-18 00:04:26,904 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 00:04:26,908 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 [2022-01-18 00:04:26,909 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-18 00:04:26,913 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 123 places, 139 transitions, 296 flow [2022-01-18 00:04:27,373 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 15484 states, 15480 states have (on average 3.5232558139534884) internal successors, (54540), 15483 states have internal predecessors, (54540), 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) [2022-01-18 00:04:27,414 INFO L276 IsEmpty]: Start isEmpty. Operand has 15484 states, 15480 states have (on average 3.5232558139534884) internal successors, (54540), 15483 states have internal predecessors, (54540), 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) [2022-01-18 00:04:27,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-18 00:04:27,418 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:04:27,418 INFO L514 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] [2022-01-18 00:04:27,419 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 00:04:27,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:04:27,419 INFO L85 PathProgramCache]: Analyzing trace with hash -201943638, now seen corresponding path program 1 times [2022-01-18 00:04:27,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:04:27,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431637217] [2022-01-18 00:04:27,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:04:27,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:04:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:04:27,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:04:27,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:04:27,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431637217] [2022-01-18 00:04:27,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431637217] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:04:27,480 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:04:27,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 00:04:27,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331057375] [2022-01-18 00:04:27,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:04:27,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 00:04:27,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:04:27,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 00:04:27,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 00:04:27,513 INFO L87 Difference]: Start difference. First operand has 15484 states, 15480 states have (on average 3.5232558139534884) internal successors, (54540), 15483 states have internal predecessors, (54540), 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 19.5) internal successors, (39), 2 states have internal predecessors, (39), 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) [2022-01-18 00:04:27,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:04:27,658 INFO L93 Difference]: Finished difference Result 14931 states and 42851 transitions. [2022-01-18 00:04:27,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 00:04:27,659 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 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 39 [2022-01-18 00:04:27,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:04:27,739 INFO L225 Difference]: With dead ends: 14931 [2022-01-18 00:04:27,739 INFO L226 Difference]: Without dead ends: 13272 [2022-01-18 00:04:27,740 INFO L932 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 [2022-01-18 00:04:27,747 INFO L933 BasicCegarLoop]: 100 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, 100 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 [2022-01-18 00:04:27,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:04:27,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13272 states. [2022-01-18 00:04:28,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13272 to 13272. [2022-01-18 00:04:28,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13272 states, 13268 states have (on average 2.8708170033162497) internal successors, (38090), 13271 states have internal predecessors, (38090), 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) [2022-01-18 00:04:28,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13272 states to 13272 states and 38090 transitions. [2022-01-18 00:04:28,347 INFO L78 Accepts]: Start accepts. Automaton has 13272 states and 38090 transitions. Word has length 39 [2022-01-18 00:04:28,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:04:28,348 INFO L470 AbstractCegarLoop]: Abstraction has 13272 states and 38090 transitions. [2022-01-18 00:04:28,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 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) [2022-01-18 00:04:28,348 INFO L276 IsEmpty]: Start isEmpty. Operand 13272 states and 38090 transitions. [2022-01-18 00:04:28,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-01-18 00:04:28,352 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:04:28,352 INFO L514 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] [2022-01-18 00:04:28,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-18 00:04:28,352 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 00:04:28,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:04:28,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1243124216, now seen corresponding path program 1 times [2022-01-18 00:04:28,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:04:28,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361718437] [2022-01-18 00:04:28,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:04:28,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:04:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:04:28,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:04:28,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:04:28,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361718437] [2022-01-18 00:04:28,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361718437] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:04:28,406 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:04:28,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 00:04:28,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069420912] [2022-01-18 00:04:28,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:04:28,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 00:04:28,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:04:28,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 00:04:28,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 00:04:28,408 INFO L87 Difference]: Start difference. First operand 13272 states and 38090 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2022-01-18 00:04:28,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:04:28,595 INFO L93 Difference]: Finished difference Result 13259 states and 38076 transitions. [2022-01-18 00:04:28,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 00:04:28,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 41 [2022-01-18 00:04:28,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:04:28,660 INFO L225 Difference]: With dead ends: 13259 [2022-01-18 00:04:28,660 INFO L226 Difference]: Without dead ends: 13259 [2022-01-18 00:04:28,660 INFO L932 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 [2022-01-18 00:04:28,662 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 30 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 184 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 [2022-01-18 00:04:28,664 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 184 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:04:28,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13259 states. [2022-01-18 00:04:29,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13259 to 13259. [2022-01-18 00:04:29,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13259 states, 13256 states have (on average 2.872359686179843) internal successors, (38076), 13258 states have internal predecessors, (38076), 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) [2022-01-18 00:04:29,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13259 states to 13259 states and 38076 transitions. [2022-01-18 00:04:29,088 INFO L78 Accepts]: Start accepts. Automaton has 13259 states and 38076 transitions. Word has length 41 [2022-01-18 00:04:29,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:04:29,090 INFO L470 AbstractCegarLoop]: Abstraction has 13259 states and 38076 transitions. [2022-01-18 00:04:29,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2022-01-18 00:04:29,090 INFO L276 IsEmpty]: Start isEmpty. Operand 13259 states and 38076 transitions. [2022-01-18 00:04:29,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-18 00:04:29,092 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:04:29,095 INFO L514 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] [2022-01-18 00:04:29,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-18 00:04:29,097 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 00:04:29,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:04:29,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1351761021, now seen corresponding path program 1 times [2022-01-18 00:04:29,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:04:29,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012568589] [2022-01-18 00:04:29,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:04:29,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:04:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:04:29,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:04:29,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:04:29,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012568589] [2022-01-18 00:04:29,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012568589] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 00:04:29,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753846068] [2022-01-18 00:04:29,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:04:29,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 00:04:29,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 00:04:29,187 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) [2022-01-18 00:04:29,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-18 00:04:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:04:29,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-18 00:04:29,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 00:04:29,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:04:29,415 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 00:04:29,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:04:29,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753846068] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 00:04:29,603 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 00:04:29,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-01-18 00:04:29,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995409677] [2022-01-18 00:04:29,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 00:04:29,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 00:04:29,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:04:29,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 00:04:29,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-01-18 00:04:29,605 INFO L87 Difference]: Start difference. First operand 13259 states and 38076 transitions. Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 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) [2022-01-18 00:04:29,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:04:29,709 INFO L93 Difference]: Finished difference Result 6083 states and 16906 transitions. [2022-01-18 00:04:29,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-18 00:04:29,710 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 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 51 [2022-01-18 00:04:29,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:04:29,723 INFO L225 Difference]: With dead ends: 6083 [2022-01-18 00:04:29,723 INFO L226 Difference]: Without dead ends: 6083 [2022-01-18 00:04:29,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-01-18 00:04:29,725 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 464 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 00:04:29,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [464 Valid, 465 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:04:29,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6083 states. [2022-01-18 00:04:29,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6083 to 6083. [2022-01-18 00:04:29,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6083 states, 6082 states have (on average 2.7796777375863204) internal successors, (16906), 6082 states have internal predecessors, (16906), 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) [2022-01-18 00:04:29,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6083 states to 6083 states and 16906 transitions. [2022-01-18 00:04:29,881 INFO L78 Accepts]: Start accepts. Automaton has 6083 states and 16906 transitions. Word has length 51 [2022-01-18 00:04:29,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:04:29,882 INFO L470 AbstractCegarLoop]: Abstraction has 6083 states and 16906 transitions. [2022-01-18 00:04:29,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 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) [2022-01-18 00:04:29,882 INFO L276 IsEmpty]: Start isEmpty. Operand 6083 states and 16906 transitions. [2022-01-18 00:04:29,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-18 00:04:29,884 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:04:29,884 INFO L514 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] [2022-01-18 00:04:29,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-18 00:04:30,099 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 [2022-01-18 00:04:30,100 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 00:04:30,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:04:30,100 INFO L85 PathProgramCache]: Analyzing trace with hash -392863105, now seen corresponding path program 1 times [2022-01-18 00:04:30,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:04:30,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329855142] [2022-01-18 00:04:30,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:04:30,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:04:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 00:04:30,117 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 00:04:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 00:04:30,147 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 00:04:30,147 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 00:04:30,147 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-01-18 00:04:30,147 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-01-18 00:04:30,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-18 00:04:30,148 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-01-18 00:04:30,148 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-01-18 00:04:30,148 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-01-18 00:04:30,165 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,165 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,166 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,166 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,166 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,166 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,168 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,168 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,168 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,168 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,168 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,169 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,169 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,170 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,170 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,170 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,170 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,170 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,170 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,171 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,171 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,171 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,171 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,171 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,171 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,171 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,171 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,172 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,172 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,172 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,172 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,172 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,172 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,172 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,172 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,179 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,179 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,179 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,179 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,179 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,179 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,179 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,180 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,184 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,184 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,185 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,185 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,187 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,187 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:04:30,194 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-18 00:04:30,195 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 00:04:30,196 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 [2022-01-18 00:04:30,196 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-18 00:04:30,201 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 148 places, 169 transitions, 368 flow [2022-01-18 00:04:39,917 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 355631 states, 355626 states have (on average 4.743196504192607) internal successors, (1686804), 355630 states have internal predecessors, (1686804), 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) [2022-01-18 00:04:40,490 INFO L276 IsEmpty]: Start isEmpty. Operand has 355631 states, 355626 states have (on average 4.743196504192607) internal successors, (1686804), 355630 states have internal predecessors, (1686804), 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) [2022-01-18 00:04:40,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-18 00:04:40,491 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:04:40,491 INFO L514 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] [2022-01-18 00:04:40,491 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 00:04:40,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:04:40,492 INFO L85 PathProgramCache]: Analyzing trace with hash -844642061, now seen corresponding path program 1 times [2022-01-18 00:04:40,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:04:40,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703429837] [2022-01-18 00:04:40,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:04:40,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:04:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:04:40,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:04:40,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:04:40,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703429837] [2022-01-18 00:04:40,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703429837] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:04:40,507 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:04:40,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 00:04:40,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995468797] [2022-01-18 00:04:40,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:04:40,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 00:04:40,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:04:40,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 00:04:40,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 00:04:41,073 INFO L87 Difference]: Start difference. First operand has 355631 states, 355626 states have (on average 4.743196504192607) internal successors, (1686804), 355630 states have internal predecessors, (1686804), 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 19.5) internal successors, (39), 2 states have internal predecessors, (39), 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) [2022-01-18 00:04:46,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:04:46,630 INFO L93 Difference]: Finished difference Result 342911 states and 1313026 transitions. [2022-01-18 00:04:46,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 00:04:46,631 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 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 39 [2022-01-18 00:04:46,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:04:49,727 INFO L225 Difference]: With dead ends: 342911 [2022-01-18 00:04:49,728 INFO L226 Difference]: Without dead ends: 304751 [2022-01-18 00:04:49,728 INFO L932 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 [2022-01-18 00:04:49,728 INFO L933 BasicCegarLoop]: 122 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, 122 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 [2022-01-18 00:04:49,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:04:50,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304751 states. [2022-01-18 00:04:59,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304751 to 304751. [2022-01-18 00:05:00,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304751 states, 304746 states have (on average 3.8294907890505536) internal successors, (1167022), 304750 states have internal predecessors, (1167022), 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) [2022-01-18 00:05:03,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304751 states to 304751 states and 1167022 transitions. [2022-01-18 00:05:03,210 INFO L78 Accepts]: Start accepts. Automaton has 304751 states and 1167022 transitions. Word has length 39 [2022-01-18 00:05:03,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:05:03,211 INFO L470 AbstractCegarLoop]: Abstraction has 304751 states and 1167022 transitions. [2022-01-18 00:05:03,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 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) [2022-01-18 00:05:03,211 INFO L276 IsEmpty]: Start isEmpty. Operand 304751 states and 1167022 transitions. [2022-01-18 00:05:03,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-01-18 00:05:03,211 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:05:03,211 INFO L514 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] [2022-01-18 00:05:03,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-18 00:05:03,212 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 00:05:03,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:05:03,213 INFO L85 PathProgramCache]: Analyzing trace with hash 2085235745, now seen corresponding path program 1 times [2022-01-18 00:05:03,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:05:03,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584229922] [2022-01-18 00:05:03,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:05:03,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:05:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:05:03,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:05:03,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:05:03,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584229922] [2022-01-18 00:05:03,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584229922] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:05:03,233 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:05:03,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 00:05:03,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681980916] [2022-01-18 00:05:03,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:05:03,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 00:05:03,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:05:03,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 00:05:03,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 00:05:03,235 INFO L87 Difference]: Start difference. First operand 304751 states and 1167022 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2022-01-18 00:05:06,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:05:06,838 INFO L93 Difference]: Finished difference Result 304738 states and 1167008 transitions. [2022-01-18 00:05:06,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 00:05:06,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 41 [2022-01-18 00:05:06,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:05:09,638 INFO L225 Difference]: With dead ends: 304738 [2022-01-18 00:05:09,638 INFO L226 Difference]: Without dead ends: 304738 [2022-01-18 00:05:09,638 INFO L932 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 [2022-01-18 00:05:09,639 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 30 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 228 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 [2022-01-18 00:05:09,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 228 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:05:10,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304738 states. [2022-01-18 00:05:19,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304738 to 304738. [2022-01-18 00:05:19,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304738 states, 304734 states have (on average 3.8295956473514607) internal successors, (1167008), 304737 states have internal predecessors, (1167008), 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) [2022-01-18 00:05:22,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304738 states to 304738 states and 1167008 transitions. [2022-01-18 00:05:22,309 INFO L78 Accepts]: Start accepts. Automaton has 304738 states and 1167008 transitions. Word has length 41 [2022-01-18 00:05:22,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:05:22,309 INFO L470 AbstractCegarLoop]: Abstraction has 304738 states and 1167008 transitions. [2022-01-18 00:05:22,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2022-01-18 00:05:22,309 INFO L276 IsEmpty]: Start isEmpty. Operand 304738 states and 1167008 transitions. [2022-01-18 00:05:22,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-18 00:05:22,310 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:05:22,310 INFO L514 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] [2022-01-18 00:05:22,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-18 00:05:22,311 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 00:05:22,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:05:22,311 INFO L85 PathProgramCache]: Analyzing trace with hash -185774998, now seen corresponding path program 1 times [2022-01-18 00:05:22,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:05:22,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793931382] [2022-01-18 00:05:22,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:05:22,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:05:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:05:22,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:05:22,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:05:22,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793931382] [2022-01-18 00:05:22,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793931382] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 00:05:22,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502630029] [2022-01-18 00:05:22,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:05:22,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 00:05:22,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 00:05:22,380 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) [2022-01-18 00:05:22,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-18 00:05:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:05:22,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-18 00:05:22,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 00:05:22,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:05:22,562 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 00:05:22,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:05:22,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502630029] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 00:05:22,676 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 00:05:22,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-01-18 00:05:22,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962475372] [2022-01-18 00:05:22,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 00:05:22,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 00:05:22,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:05:22,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 00:05:22,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-01-18 00:05:22,677 INFO L87 Difference]: Start difference. First operand 304738 states and 1167008 transitions. Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 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) [2022-01-18 00:05:26,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:05:26,318 INFO L93 Difference]: Finished difference Result 297562 states and 1145838 transitions. [2022-01-18 00:05:26,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-18 00:05:26,319 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 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 51 [2022-01-18 00:05:26,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:05:29,186 INFO L225 Difference]: With dead ends: 297562 [2022-01-18 00:05:29,186 INFO L226 Difference]: Without dead ends: 297562 [2022-01-18 00:05:29,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-01-18 00:05:29,188 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 356 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 1009 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 00:05:29,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [356 Valid, 1009 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:05:29,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297562 states. [2022-01-18 00:05:39,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297562 to 297562. [2022-01-18 00:05:41,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297562 states, 297560 states have (on average 3.850779674687458) internal successors, (1145838), 297561 states have internal predecessors, (1145838), 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) [2022-01-18 00:05:44,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297562 states to 297562 states and 1145838 transitions. [2022-01-18 00:05:44,540 INFO L78 Accepts]: Start accepts. Automaton has 297562 states and 1145838 transitions. Word has length 51 [2022-01-18 00:05:44,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:05:44,540 INFO L470 AbstractCegarLoop]: Abstraction has 297562 states and 1145838 transitions. [2022-01-18 00:05:44,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 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) [2022-01-18 00:05:44,540 INFO L276 IsEmpty]: Start isEmpty. Operand 297562 states and 1145838 transitions. [2022-01-18 00:05:44,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-01-18 00:05:44,556 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:05:44,556 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:05:44,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-18 00:05:44,772 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,SelfDestructingSolverStorable9 [2022-01-18 00:05:44,772 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 00:05:44,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:05:44,773 INFO L85 PathProgramCache]: Analyzing trace with hash 499831500, now seen corresponding path program 1 times [2022-01-18 00:05:44,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:05:44,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115752997] [2022-01-18 00:05:44,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:05:44,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:05:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 00:05:44,790 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 00:05:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 00:05:44,839 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 00:05:44,839 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 00:05:44,840 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-01-18 00:05:44,840 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-01-18 00:05:44,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-18 00:05:44,840 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-01-18 00:05:44,841 WARN L234 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2022-01-18 00:05:44,841 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2022-01-18 00:05:44,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,868 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,868 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,868 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,868 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,871 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,871 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,871 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,871 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,873 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,873 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,873 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,873 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,876 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,876 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,876 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,876 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,879 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,879 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,880 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,880 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,880 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,881 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,888 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,888 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,888 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,888 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,888 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,888 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,888 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,888 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,888 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:05:44,890 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-01-18 00:05:44,891 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 00:05:44,891 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 [2022-01-18 00:05:44,891 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-18 00:05:44,893 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 173 places, 199 transitions, 442 flow