/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-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 05:37:24,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 05:37:24,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 05:37:24,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 05:37:24,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 05:37:24,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 05:37:24,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 05:37:24,396 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-POR-NewStatesSleep-NoLbe.epf [2022-02-09 05:37:24,421 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 05:37:24,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 05:37:24,422 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 05:37:24,422 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 05:37:24,423 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 05:37:24,423 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 05:37:24,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 05:37:24,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 05:37:24,423 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 05:37:24,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 05:37:24,424 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 05:37:24,424 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 05:37:24,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 05:37:24,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 05:37:24,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 05:37:24,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 05:37:24,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 05:37:24,425 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 05:37:24,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 05:37:24,425 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 05:37:24,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 05:37:24,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 05:37:24,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 05:37:24,426 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 05:37:24,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 05:37:24,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 05:37:24,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 05:37:24,427 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 05:37:24,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 05:37:24,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 05:37:24,427 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 05:37:24,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 05:37:24,427 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 05:37:24,427 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 05:37:24,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 05:37:24,428 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-09 05:37:24,428 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 05:37:24,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 05:37:24,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 05:37:24,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 05:37:24,640 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 05:37:24,642 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 05:37:24,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i [2022-02-09 05:37:24,689 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2687e639f/e7e951305ca543528e84ef922600ab23/FLAGa3037c21e [2022-02-09 05:37:25,144 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 05:37:25,144 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i [2022-02-09 05:37:25,165 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2687e639f/e7e951305ca543528e84ef922600ab23/FLAGa3037c21e [2022-02-09 05:37:25,672 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2687e639f/e7e951305ca543528e84ef922600ab23 [2022-02-09 05:37:25,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 05:37:25,674 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 05:37:25,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 05:37:25,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 05:37:25,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 05:37:25,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 05:37:25" (1/1) ... [2022-02-09 05:37:25,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@746b8312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:37:25, skipping insertion in model container [2022-02-09 05:37:25,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 05:37:25" (1/1) ... [2022-02-09 05:37:25,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 05:37:25,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 05:37:25,873 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/13-privatized_18-first-reads_unknown_2_neg.i[1097,1110] [2022-02-09 05:37:25,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 05:37:26,005 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 05:37:26,016 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/13-privatized_18-first-reads_unknown_2_neg.i[1097,1110] [2022-02-09 05:37:26,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 05:37:26,081 INFO L208 MainTranslator]: Completed translation [2022-02-09 05:37:26,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:37:26 WrapperNode [2022-02-09 05:37:26,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 05:37:26,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 05:37:26,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 05:37:26,083 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 05:37:26,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:37:26" (1/1) ... [2022-02-09 05:37:26,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:37:26" (1/1) ... [2022-02-09 05:37:26,130 INFO L137 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-02-09 05:37:26,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 05:37:26,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 05:37:26,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 05:37:26,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 05:37:26,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:37:26" (1/1) ... [2022-02-09 05:37:26,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:37:26" (1/1) ... [2022-02-09 05:37:26,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:37:26" (1/1) ... [2022-02-09 05:37:26,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:37:26" (1/1) ... [2022-02-09 05:37:26,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:37:26" (1/1) ... [2022-02-09 05:37:26,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:37:26" (1/1) ... [2022-02-09 05:37:26,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:37:26" (1/1) ... [2022-02-09 05:37:26,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 05:37:26,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 05:37:26,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 05:37:26,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 05:37:26,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:37:26" (1/1) ... [2022-02-09 05:37:26,168 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 05:37:26,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 05:37:26,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-09 05:37:26,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-09 05:37:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-09 05:37:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 05:37:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-09 05:37:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 05:37:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 05:37:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-09 05:37:26,264 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-09 05:37:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 05:37:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 05:37:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 05:37:26,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 05:37:26,265 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 05:37:26,335 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 05:37:26,336 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 05:37:26,497 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 05:37:26,502 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 05:37:26,502 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 05:37:26,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 05:37:26 BoogieIcfgContainer [2022-02-09 05:37:26,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 05:37:26,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 05:37:26,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 05:37:26,507 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 05:37:26,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 05:37:25" (1/3) ... [2022-02-09 05:37:26,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29e31e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 05:37:26, skipping insertion in model container [2022-02-09 05:37:26,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:37:26" (2/3) ... [2022-02-09 05:37:26,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29e31e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 05:37:26, skipping insertion in model container [2022-02-09 05:37:26,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 05:37:26" (3/3) ... [2022-02-09 05:37:26,509 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_neg.i [2022-02-09 05:37:26,512 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 05:37:26,512 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 05:37:26,513 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 05:37:26,513 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 05:37:26,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,541 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,541 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,541 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,541 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,544 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,544 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,544 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,545 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:37:26,549 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-09 05:37:26,594 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 05:37:26,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 05:37:26,596 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) [2022-02-09 05:37:26,622 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 [2022-02-09 05:37:26,646 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 05:37:26,651 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, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 05:37:26,651 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-09 05:37:26,718 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-09 05:37:26,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 05:37:26,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1940237584, now seen corresponding path program 1 times [2022-02-09 05:37:26,740 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 05:37:26,740 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659743849] [2022-02-09 05:37:26,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 05:37:26,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 05:37:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 05:37:26,900 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 05:37:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 05:37:26,964 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 05:37:26,966 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 05:37:26,967 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-09 05:37:26,969 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-09 05:37:26,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-02-09 05:37:26,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 05:37:26,977 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-09 05:37:26,981 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 05:37:26,983 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 05:37:27,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 05:37:27 BasicIcfg [2022-02-09 05:37:27,027 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 05:37:27,028 INFO L158 Benchmark]: Toolchain (without parser) took 1353.73ms. Allocated memory is still 175.1MB. Free memory was 123.0MB in the beginning and 98.8MB in the end (delta: 24.2MB). Peak memory consumption was 23.7MB. Max. memory is 8.0GB. [2022-02-09 05:37:27,028 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 175.1MB. Free memory was 141.0MB in the beginning and 140.9MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 05:37:27,029 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.65ms. Allocated memory is still 175.1MB. Free memory was 122.7MB in the beginning and 140.7MB in the end (delta: -18.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-09 05:37:27,029 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.22ms. Allocated memory is still 175.1MB. Free memory was 140.7MB in the beginning and 138.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 05:37:27,030 INFO L158 Benchmark]: Boogie Preprocessor took 28.61ms. Allocated memory is still 175.1MB. Free memory was 138.8MB in the beginning and 137.6MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 05:37:27,030 INFO L158 Benchmark]: RCFGBuilder took 342.74ms. Allocated memory is still 175.1MB. Free memory was 137.6MB in the beginning and 126.1MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-09 05:37:27,030 INFO L158 Benchmark]: TraceAbstraction took 522.87ms. Allocated memory is still 175.1MB. Free memory was 125.5MB in the beginning and 98.8MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-02-09 05:37:27,032 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 175.1MB. Free memory was 141.0MB in the beginning and 140.9MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 403.65ms. Allocated memory is still 175.1MB. Free memory was 122.7MB in the beginning and 140.7MB in the end (delta: -18.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.22ms. Allocated memory is still 175.1MB. Free memory was 140.7MB in the beginning and 138.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.61ms. Allocated memory is still 175.1MB. Free memory was 138.8MB in the beginning and 137.6MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 342.74ms. Allocated memory is still 175.1MB. Free memory was 137.6MB in the beginning and 126.1MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 522.87ms. Allocated memory is still 175.1MB. Free memory was 125.5MB in the beginning and 98.8MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 int glob1 = 0; VAL [glob1=0] [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L697] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}] [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id={5:0}, mutex1={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L701] 0 \read(id) VAL [\read(id)=-1, glob1=0, id={5:0}, mutex1={3:0}] [L685] 1 int t = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=42, arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=42] [L687] COND TRUE 1 t == 42 VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=42] [L688] 1 glob1 = 1 VAL [arg={0:0}, arg={0:0}, glob1=1, mutex1={3:0}, t=42] [L690] 1 t = glob1 VAL [arg={0:0}, arg={0:0}, glob1=1, mutex1={3:0}, t=1] [L691] CALL 1 __VERIFIER_assert(!(t == 1)) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond=0, glob1=1, mutex1={3:0}] [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, glob1=1, mutex1={3:0}] - UnprovableResult [Line: 698]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 87 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-02-09 05:37:27,086 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 [2022-02-09 05:37:27,308 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...