/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_28-funptr_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-29 11:37:13,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-29 11:37:13,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-29 11:37:13,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-29 11:37:13,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-29 11:37:13,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-29 11:37:13,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-29 11:37:13,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-29 11:37:13,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-29 11:37:13,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-29 11:37:13,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-29 11:37:13,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-29 11:37:13,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-29 11:37:13,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-29 11:37:13,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-29 11:37:13,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-29 11:37:13,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-29 11:37:13,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-29 11:37:13,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-29 11:37:13,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-29 11:37:13,798 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-MCRwithoutDepranks.epf [2022-01-29 11:37:13,818 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-29 11:37:13,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-29 11:37:13,819 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-29 11:37:13,819 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-29 11:37:13,821 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-29 11:37:13,821 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-29 11:37:13,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-29 11:37:13,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-29 11:37:13,822 INFO L138 SettingsManager]: * Use SBE=true [2022-01-29 11:37:13,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-29 11:37:13,823 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-29 11:37:13,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-29 11:37:13,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-29 11:37:13,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-29 11:37:13,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-29 11:37:13,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-29 11:37:13,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-29 11:37:13,823 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-29 11:37:13,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-29 11:37:13,823 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-29 11:37:13,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-29 11:37:13,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-29 11:37:13,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-29 11:37:13,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-29 11:37:13,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-29 11:37:13,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 11:37:13,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-29 11:37:13,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-29 11:37:13,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-29 11:37:13,824 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-29 11:37:13,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-29 11:37:13,825 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-29 11:37:13,825 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-29 11:37:13,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-29 11:37:13,825 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-01-29 11:37:13,825 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-29 11:37:14,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-29 11:37:14,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-29 11:37:14,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-29 11:37:14,021 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-29 11:37:14,022 INFO L275 PluginConnector]: CDTParser initialized [2022-01-29 11:37:14,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_28-funptr_racefree.i [2022-01-29 11:37:14,070 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35bcc69b0/be0fff7ffd2e4587a9007fbd56aee260/FLAG3631e86e9 [2022-01-29 11:37:14,511 INFO L306 CDTParser]: Found 1 translation units. [2022-01-29 11:37:14,512 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_28-funptr_racefree.i [2022-01-29 11:37:14,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35bcc69b0/be0fff7ffd2e4587a9007fbd56aee260/FLAG3631e86e9 [2022-01-29 11:37:14,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35bcc69b0/be0fff7ffd2e4587a9007fbd56aee260 [2022-01-29 11:37:14,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-29 11:37:14,540 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-29 11:37:14,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-29 11:37:14,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-29 11:37:14,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-29 11:37:14,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 11:37:14" (1/1) ... [2022-01-29 11:37:14,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44ceb93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:37:14, skipping insertion in model container [2022-01-29 11:37:14,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 11:37:14" (1/1) ... [2022-01-29 11:37:14,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-29 11:37:14,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-29 11:37:14,929 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_28-funptr_racefree.i[41323,41336] [2022-01-29 11:37:14,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-29 11:37:14,970 INFO L203 MainTranslator]: Completed pre-run [2022-01-29 11:37:15,006 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_28-funptr_racefree.i[41323,41336] [2022-01-29 11:37:15,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-29 11:37:15,068 INFO L208 MainTranslator]: Completed translation [2022-01-29 11:37:15,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:37:15 WrapperNode [2022-01-29 11:37:15,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-29 11:37:15,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-29 11:37:15,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-29 11:37:15,069 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-29 11:37:15,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:37:15" (1/1) ... [2022-01-29 11:37:15,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:37:15" (1/1) ... [2022-01-29 11:37:15,114 INFO L137 Inliner]: procedures = 273, calls = 42, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 122 [2022-01-29 11:37:15,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-29 11:37:15,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-29 11:37:15,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-29 11:37:15,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-29 11:37:15,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:37:15" (1/1) ... [2022-01-29 11:37:15,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:37:15" (1/1) ... [2022-01-29 11:37:15,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:37:15" (1/1) ... [2022-01-29 11:37:15,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:37:15" (1/1) ... [2022-01-29 11:37:15,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:37:15" (1/1) ... [2022-01-29 11:37:15,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:37:15" (1/1) ... [2022-01-29 11:37:15,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:37:15" (1/1) ... [2022-01-29 11:37:15,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-29 11:37:15,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-29 11:37:15,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-29 11:37:15,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-29 11:37:15,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:37:15" (1/1) ... [2022-01-29 11:37:15,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 11:37:15,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 11:37:15,195 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) [2022-01-29 11:37:15,203 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 [2022-01-29 11:37:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-29 11:37:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-29 11:37:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-29 11:37:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-29 11:37:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-29 11:37:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-29 11:37:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-29 11:37:15,231 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-29 11:37:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-29 11:37:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-29 11:37:15,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-29 11:37:15,232 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-29 11:37:15,367 INFO L234 CfgBuilder]: Building ICFG [2022-01-29 11:37:15,368 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-29 11:37:15,504 INFO L275 CfgBuilder]: Performing block encoding [2022-01-29 11:37:15,510 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-29 11:37:15,510 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2022-01-29 11:37:15,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 11:37:15 BoogieIcfgContainer [2022-01-29 11:37:15,521 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-29 11:37:15,524 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-29 11:37:15,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-29 11:37:15,526 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-29 11:37:15,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 11:37:14" (1/3) ... [2022-01-29 11:37:15,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f1234ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 11:37:15, skipping insertion in model container [2022-01-29 11:37:15,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:37:15" (2/3) ... [2022-01-29 11:37:15,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f1234ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 11:37:15, skipping insertion in model container [2022-01-29 11:37:15,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 11:37:15" (3/3) ... [2022-01-29 11:37:15,529 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_28-funptr_racefree.i [2022-01-29 11:37:15,533 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-29 11:37:15,534 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-29 11:37:15,534 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-29 11:37:15,534 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-29 11:37:15,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,575 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:37:15,599 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-01-29 11:37:15,642 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-29 11:37:15,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 11:37:15,645 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-01-29 11:37:15,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-01-29 11:37:15,669 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-29 11:37:15,676 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=PARTIAL_ORDER_FA, 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 [2022-01-29 11:37:15,677 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-29 11:37:15,762 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-29 11:37:15,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 11:37:15,766 INFO L85 PathProgramCache]: Analyzing trace with hash -734083898, now seen corresponding path program 1 times [2022-01-29 11:37:15,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 11:37:15,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125977166] [2022-01-29 11:37:15,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 11:37:15,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 11:37:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 11:37:15,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 11:37:15,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 11:37:15,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125977166] [2022-01-29 11:37:15,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125977166] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 11:37:15,912 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 11:37:15,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-29 11:37:15,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804292165] [2022-01-29 11:37:15,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 11:37:15,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-29 11:37:15,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 11:37:15,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-29 11:37:15,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-29 11:37:15,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 11:37:15,935 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 11:37:15,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 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) [2022-01-29 11:37:15,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 11:37:15,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 11:37:15,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-29 11:37:15,972 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-29 11:37:15,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 11:37:15,974 INFO L85 PathProgramCache]: Analyzing trace with hash 773467911, now seen corresponding path program 1 times [2022-01-29 11:37:15,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 11:37:15,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790923698] [2022-01-29 11:37:15,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 11:37:15,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 11:37:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 11:37:16,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 11:37:16,077 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 11:37:16,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790923698] [2022-01-29 11:37:16,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790923698] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 11:37:16,077 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 11:37:16,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-29 11:37:16,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627365383] [2022-01-29 11:37:16,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 11:37:16,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-29 11:37:16,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 11:37:16,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-29 11:37:16,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-29 11:37:16,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 11:37:16,080 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 11:37:16,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2022-01-29 11:37:16,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 11:37:16,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 11:37:16,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-29 11:37:16,170 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException at java.base/java.util.Collections$UnmodifiableCollection.removeAll(Collections.java:1073) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.LeftRightSplit.removeDuplicate(LeftRightSplit.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.LeftRightSplit.addStatement(LeftRightSplit.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.McrState2.addStatementToSplit(McrState2.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.McrState2.getNextState(McrState2.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.McrState2.getNextState(McrState2.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.McrStateFactory.createNextState(McrStateFactory.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.MaximalCausalityReduction.internalSuccessors(MaximalCausalityReduction.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.MaximalCausalityReduction.internalSuccessors(MaximalCausalityReduction.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$0(INwaOutgoingLetterAndTransitionProvider.java:123) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.nextLetter(NestedIterator.java:69) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.next(NestedIterator.java:94) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEachOrdered(ReferencePipeline.java:502) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:198) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:127) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.(DepthFirstTraversal.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:440) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-01-29 11:37:16,177 INFO L158 Benchmark]: Toolchain (without parser) took 1635.34ms. Allocated memory is still 218.1MB. Free memory was 166.1MB in the beginning and 92.8MB in the end (delta: 73.3MB). Peak memory consumption was 74.4MB. Max. memory is 8.0GB. [2022-01-29 11:37:16,177 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 218.1MB. Free memory was 184.5MB in the beginning and 184.4MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-29 11:37:16,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 527.19ms. Allocated memory is still 218.1MB. Free memory was 166.0MB in the beginning and 176.7MB in the end (delta: -10.7MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. [2022-01-29 11:37:16,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.15ms. Allocated memory is still 218.1MB. Free memory was 176.7MB in the beginning and 174.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-29 11:37:16,182 INFO L158 Benchmark]: Boogie Preprocessor took 18.12ms. Allocated memory is still 218.1MB. Free memory was 174.1MB in the beginning and 172.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-29 11:37:16,182 INFO L158 Benchmark]: RCFGBuilder took 387.96ms. Allocated memory is still 218.1MB. Free memory was 172.5MB in the beginning and 157.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-01-29 11:37:16,183 INFO L158 Benchmark]: TraceAbstraction took 651.64ms. Allocated memory is still 218.1MB. Free memory was 157.3MB in the beginning and 92.8MB in the end (delta: 64.5MB). Peak memory consumption was 64.0MB. Max. memory is 8.0GB. [2022-01-29 11:37:16,187 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 218.1MB. Free memory was 184.5MB in the beginning and 184.4MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 527.19ms. Allocated memory is still 218.1MB. Free memory was 166.0MB in the beginning and 176.7MB in the end (delta: -10.7MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.15ms. Allocated memory is still 218.1MB. Free memory was 176.7MB in the beginning and 174.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.12ms. Allocated memory is still 218.1MB. Free memory was 174.1MB in the beginning and 172.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 387.96ms. Allocated memory is still 218.1MB. Free memory was 172.5MB in the beginning and 157.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 651.64ms. Allocated memory is still 218.1MB. Free memory was 157.3MB in the beginning and 92.8MB in the end (delta: 64.5MB). Peak memory consumption was 64.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: null: java.base/java.util.Collections$UnmodifiableCollection.removeAll(Collections.java:1073) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-01-29 11:37:16,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-01-29 11:37:16,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...