/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-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 01:59:24,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 01:59:24,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 01:59:24,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-16 01:59:24,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 01:59:24,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 01:59:24,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 01:59:24,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 01:59:24,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 01:59:24,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 01:59:24,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 01:59:24,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 01:59:24,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 01:59:24,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 01:59:24,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 01:59:24,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 01:59:24,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 01:59:24,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-16 01:59:24,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-16 01:59:24,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-16 01:59:24,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-16 01:59:24,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-16 01:59:24,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-16 01:59:24,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-16 01:59:24,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-16 01:59:24,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 01:59:24,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 01:59:24,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 01:59:24,837 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-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf [2022-03-16 01:59:24,865 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 01:59:24,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 01:59:24,866 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 01:59:24,866 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 01:59:24,866 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 01:59:24,867 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 01:59:24,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 01:59:24,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 01:59:24,867 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 01:59:24,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 01:59:24,868 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 01:59:24,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 01:59:24,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 01:59:24,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 01:59:24,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 01:59:24,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 01:59:24,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 01:59:24,869 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 01:59:24,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 01:59:24,869 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 01:59:24,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 01:59:24,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 01:59:24,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 01:59:24,870 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 01:59:24,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 01:59:24,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 01:59:24,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 01:59:24,872 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 01:59:24,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 01:59:24,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 01:59:24,872 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 01:59:24,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 01:59:24,873 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 01:59:24,873 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 01:59:24,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 01:59:24,873 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 01:59:24,873 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-16 01:59:24,873 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 01:59:24,874 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 01:59:25,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 01:59:25,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 01:59:25,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 01:59:25,110 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-16 01:59:25,115 INFO L275 PluginConnector]: CDTParser initialized [2022-03-16 01:59:25,116 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2022-03-16 01:59:25,183 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c4432f7d/9292295ba0884fce908eb544f8af7600/FLAG91ca26f0a [2022-03-16 01:59:25,668 INFO L306 CDTParser]: Found 1 translation units. [2022-03-16 01:59:25,669 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2022-03-16 01:59:25,682 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c4432f7d/9292295ba0884fce908eb544f8af7600/FLAG91ca26f0a [2022-03-16 01:59:26,009 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c4432f7d/9292295ba0884fce908eb544f8af7600 [2022-03-16 01:59:26,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 01:59:26,013 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-16 01:59:26,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-16 01:59:26,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-16 01:59:26,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-16 01:59:26,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 01:59:26" (1/1) ... [2022-03-16 01:59:26,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3006bd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:59:26, skipping insertion in model container [2022-03-16 01:59:26,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 01:59:26" (1/1) ... [2022-03-16 01:59:26,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-16 01:59:26,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-16 01:59:26,266 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_19-publish-precision_unknown_1_pos.i[1103,1116] [2022-03-16 01:59:26,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 01:59:26,386 INFO L203 MainTranslator]: Completed pre-run [2022-03-16 01:59:26,396 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_19-publish-precision_unknown_1_pos.i[1103,1116] [2022-03-16 01:59:26,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 01:59:26,453 INFO L208 MainTranslator]: Completed translation [2022-03-16 01:59:26,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:59:26 WrapperNode [2022-03-16 01:59:26,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-16 01:59:26,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 01:59:26,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 01:59:26,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 01:59:26,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:59:26" (1/1) ... [2022-03-16 01:59:26,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:59:26" (1/1) ... [2022-03-16 01:59:26,486 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-03-16 01:59:26,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 01:59:26,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 01:59:26,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 01:59:26,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 01:59:26,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:59:26" (1/1) ... [2022-03-16 01:59:26,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:59:26" (1/1) ... [2022-03-16 01:59:26,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:59:26" (1/1) ... [2022-03-16 01:59:26,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:59:26" (1/1) ... [2022-03-16 01:59:26,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:59:26" (1/1) ... [2022-03-16 01:59:26,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:59:26" (1/1) ... [2022-03-16 01:59:26,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:59:26" (1/1) ... [2022-03-16 01:59:26,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 01:59:26,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 01:59:26,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 01:59:26,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 01:59:26,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:59:26" (1/1) ... [2022-03-16 01:59:26,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 01:59:26,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 01:59:26,537 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) [2022-03-16 01:59:26,538 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 [2022-03-16 01:59:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-16 01:59:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-16 01:59:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-16 01:59:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-16 01:59:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-16 01:59:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-16 01:59:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-16 01:59:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-16 01:59:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-16 01:59:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 01:59:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 01:59:26,567 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 01:59:26,652 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 01:59:26,653 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 01:59:26,773 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 01:59:26,779 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 01:59:26,779 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 01:59:26,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 01:59:26 BoogieIcfgContainer [2022-03-16 01:59:26,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 01:59:26,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 01:59:26,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 01:59:26,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 01:59:26,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 01:59:26" (1/3) ... [2022-03-16 01:59:26,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8dc1e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 01:59:26, skipping insertion in model container [2022-03-16 01:59:26,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:59:26" (2/3) ... [2022-03-16 01:59:26,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8dc1e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 01:59:26, skipping insertion in model container [2022-03-16 01:59:26,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 01:59:26" (3/3) ... [2022-03-16 01:59:26,788 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_pos.i [2022-03-16 01:59:26,792 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 01:59:26,792 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 01:59:26,793 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 01:59:26,793 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 01:59:26,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,820 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,820 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,820 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,821 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,823 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,823 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,823 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,824 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,824 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,830 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,831 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 01:59:26,835 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-16 01:59:26,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 01:59:26,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 01:59:26,911 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) [2022-03-16 01:59:26,928 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 [2022-03-16 01:59:26,954 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 01:59:26,959 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, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false [2022-03-16 01:59:26,960 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-16 01:59:27,135 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 52 transitions and produced 53 states. [2022-03-16 01:59:27,137 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-16 01:59:27,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 01:59:27,145 INFO L85 PathProgramCache]: Analyzing trace with hash -881270525, now seen corresponding path program 1 times [2022-03-16 01:59:27,154 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 01:59:27,154 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557163108] [2022-03-16 01:59:27,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 01:59:27,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 01:59:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 01:59:27,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 01:59:27,464 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 01:59:27,465 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557163108] [2022-03-16 01:59:27,465 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557163108] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 01:59:27,465 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 01:59:27,465 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-16 01:59:27,467 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733494396] [2022-03-16 01:59:27,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 01:59:27,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-16 01:59:27,471 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 01:59:27,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-16 01:59:27,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-16 01:59:27,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 01:59:27,492 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 01:59:27,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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) [2022-03-16 01:59:27,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 01:59:27,974 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 151 transitions and produced 105 states. [2022-03-16 01:59:27,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-16 01:59:27,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 01:59:27,975 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-16 01:59:27,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 01:59:27,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1476516800, now seen corresponding path program 1 times [2022-03-16 01:59:27,979 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 01:59:27,980 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332924682] [2022-03-16 01:59:27,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 01:59:27,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 01:59:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 01:59:28,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 01:59:28,176 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 01:59:28,177 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332924682] [2022-03-16 01:59:28,177 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332924682] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 01:59:28,177 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 01:59:28,177 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-16 01:59:28,178 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333625853] [2022-03-16 01:59:28,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 01:59:28,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-16 01:59:28,180 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 01:59:28,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-16 01:59:28,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-16 01:59:28,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 01:59:28,182 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 01:59:28,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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) [2022-03-16 01:59:28,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-16 01:59:28,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 01:59:28,479 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 138 transitions and produced 111 states. [2022-03-16 01:59:28,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-16 01:59:28,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 01:59:28,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-16 01:59:28,481 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-16 01:59:28,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 01:59:28,482 INFO L85 PathProgramCache]: Analyzing trace with hash 576623755, now seen corresponding path program 1 times [2022-03-16 01:59:28,482 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 01:59:28,483 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527257901] [2022-03-16 01:59:28,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 01:59:28,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 01:59:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 01:59:28,507 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-16 01:59:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 01:59:28,547 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-16 01:59:28,548 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-16 01:59:28,549 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-03-16 01:59:28,551 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-03-16 01:59:28,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-16 01:59:28,560 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-03-16 01:59:28,564 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 01:59:28,565 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 01:59:28,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 01:59:28 BasicIcfg [2022-03-16 01:59:28,600 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 01:59:28,601 INFO L158 Benchmark]: Toolchain (without parser) took 2588.25ms. Allocated memory was 180.4MB in the beginning and 327.2MB in the end (delta: 146.8MB). Free memory was 122.8MB in the beginning and 267.2MB in the end (delta: -144.5MB). Peak memory consumption was 3.5MB. Max. memory is 8.0GB. [2022-03-16 01:59:28,601 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 180.4MB. Free memory is still 140.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 01:59:28,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.14ms. Allocated memory was 180.4MB in the beginning and 272.6MB in the end (delta: 92.3MB). Free memory was 122.6MB in the beginning and 235.9MB in the end (delta: -113.3MB). Peak memory consumption was 10.1MB. Max. memory is 8.0GB. [2022-03-16 01:59:28,602 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.30ms. Allocated memory is still 272.6MB. Free memory was 235.9MB in the beginning and 233.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-16 01:59:28,602 INFO L158 Benchmark]: Boogie Preprocessor took 18.69ms. Allocated memory is still 272.6MB. Free memory was 233.8MB in the beginning and 232.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 01:59:28,603 INFO L158 Benchmark]: RCFGBuilder took 274.41ms. Allocated memory is still 272.6MB. Free memory was 232.8MB in the beginning and 219.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-16 01:59:28,603 INFO L158 Benchmark]: TraceAbstraction took 1817.69ms. Allocated memory was 272.6MB in the beginning and 327.2MB in the end (delta: 54.5MB). Free memory was 219.2MB in the beginning and 267.2MB in the end (delta: -48.1MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. [2022-03-16 01:59:28,605 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 180.4MB. Free memory is still 140.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 440.14ms. Allocated memory was 180.4MB in the beginning and 272.6MB in the end (delta: 92.3MB). Free memory was 122.6MB in the beginning and 235.9MB in the end (delta: -113.3MB). Peak memory consumption was 10.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.30ms. Allocated memory is still 272.6MB. Free memory was 235.9MB in the beginning and 233.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.69ms. Allocated memory is still 272.6MB. Free memory was 233.8MB in the beginning and 232.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 274.41ms. Allocated memory is still 272.6MB. Free memory was 232.8MB in the beginning and 219.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1817.69ms. Allocated memory was 272.6MB in the beginning and 327.2MB in the end (delta: 54.5MB). Free memory was 219.2MB in the beginning and 267.2MB in the end (delta: -48.1MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.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] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.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] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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: [L681] 0 int glob1 = 0; VAL [glob1=0] [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}, mutex2={4:0}] [L696] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L687] 1 glob1 = 5 VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L699] CALL 0 __VERIFIER_assert(glob1 == 0) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: 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, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 0.3s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 279 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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! [2022-03-16 01:59:28,639 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-03-16 01:59:28,850 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...