/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-29 11:33:21,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-29 11:33:21,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-29 11:33:22,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-29 11:33:22,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-29 11:33:22,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-29 11:33:22,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-29 11:33:22,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-29 11:33:22,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-29 11:33:22,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-29 11:33:22,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-29 11:33:22,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-29 11:33:22,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-29 11:33:22,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-29 11:33:22,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-29 11:33:22,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-29 11:33:22,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-29 11:33:22,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-29 11:33:22,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-29 11:33:22,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-29 11:33:22,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-29 11:33:22,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-29 11:33:22,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-29 11:33:22,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-29 11:33:22,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-29 11:33:22,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-29 11:33:22,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-29 11:33:22,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-29 11:33:22,071 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks.epf [2022-01-29 11:33:22,090 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-29 11:33:22,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-29 11:33:22,091 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-29 11:33:22,091 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-29 11:33:22,091 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-29 11:33:22,092 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-29 11:33:22,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-29 11:33:22,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-29 11:33:22,092 INFO L138 SettingsManager]: * Use SBE=true [2022-01-29 11:33:22,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-29 11:33:22,093 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-29 11:33:22,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-29 11:33:22,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-29 11:33:22,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-29 11:33:22,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-29 11:33:22,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-29 11:33:22,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-29 11:33:22,094 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-29 11:33:22,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-29 11:33:22,094 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-29 11:33:22,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-29 11:33:22,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-29 11:33:22,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-29 11:33:22,094 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-29 11:33:22,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-29 11:33:22,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 11:33:22,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-29 11:33:22,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-29 11:33:22,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-29 11:33:22,096 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-29 11:33:22,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-29 11:33:22,096 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-29 11:33:22,096 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-29 11:33:22,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-29 11:33:22,097 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-01-29 11:33:22,097 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-29 11:33:22,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-29 11:33:22,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-29 11:33:22,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-29 11:33:22,333 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-29 11:33:22,334 INFO L275 PluginConnector]: CDTParser initialized [2022-01-29 11:33:22,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2022-01-29 11:33:22,378 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1bda4ef1/5ee0a97d29e740d787203d5f49bd9fd2/FLAG0e551cf39 [2022-01-29 11:33:22,816 INFO L306 CDTParser]: Found 1 translation units. [2022-01-29 11:33:22,817 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2022-01-29 11:33:22,832 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1bda4ef1/5ee0a97d29e740d787203d5f49bd9fd2/FLAG0e551cf39 [2022-01-29 11:33:23,178 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1bda4ef1/5ee0a97d29e740d787203d5f49bd9fd2 [2022-01-29 11:33:23,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-29 11:33:23,182 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-29 11:33:23,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-29 11:33:23,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-29 11:33:23,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-29 11:33:23,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 11:33:23" (1/1) ... [2022-01-29 11:33:23,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3385a78d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:33:23, skipping insertion in model container [2022-01-29 11:33:23,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 11:33:23" (1/1) ... [2022-01-29 11:33:23,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-29 11:33:23,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-29 11:33:23,411 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_2_pos.i[1103,1116] [2022-01-29 11:33:23,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-29 11:33:23,541 INFO L203 MainTranslator]: Completed pre-run [2022-01-29 11:33:23,552 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_2_pos.i[1103,1116] [2022-01-29 11:33:23,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-29 11:33:23,613 INFO L208 MainTranslator]: Completed translation [2022-01-29 11:33:23,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:33:23 WrapperNode [2022-01-29 11:33:23,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-29 11:33:23,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-29 11:33:23,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-29 11:33:23,614 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-29 11:33:23,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:33:23" (1/1) ... [2022-01-29 11:33:23,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:33:23" (1/1) ... [2022-01-29 11:33:23,660 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-01-29 11:33:23,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-29 11:33:23,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-29 11:33:23,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-29 11:33:23,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-29 11:33:23,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:33:23" (1/1) ... [2022-01-29 11:33:23,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:33:23" (1/1) ... [2022-01-29 11:33:23,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:33:23" (1/1) ... [2022-01-29 11:33:23,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:33:23" (1/1) ... [2022-01-29 11:33:23,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:33:23" (1/1) ... [2022-01-29 11:33:23,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:33:23" (1/1) ... [2022-01-29 11:33:23,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:33:23" (1/1) ... [2022-01-29 11:33:23,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-29 11:33:23,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-29 11:33:23,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-29 11:33:23,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-29 11:33:23,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:33:23" (1/1) ... [2022-01-29 11:33:23,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 11:33:23,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 11:33:23,719 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-29 11:33:23,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-29 11:33:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-29 11:33:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-29 11:33:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-29 11:33:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-29 11:33:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-29 11:33:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-29 11:33:23,789 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-29 11:33:23,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-29 11:33:23,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-29 11:33:23,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-29 11:33:23,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-29 11:33:23,790 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-29 11:33:23,855 INFO L234 CfgBuilder]: Building ICFG [2022-01-29 11:33:23,856 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-29 11:33:23,987 INFO L275 CfgBuilder]: Performing block encoding [2022-01-29 11:33:23,992 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-29 11:33:23,992 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-29 11:33:23,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 11:33:23 BoogieIcfgContainer [2022-01-29 11:33:23,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-29 11:33:23,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-29 11:33:23,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-29 11:33:23,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-29 11:33:23,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 11:33:23" (1/3) ... [2022-01-29 11:33:23,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f83fe17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 11:33:23, skipping insertion in model container [2022-01-29 11:33:23,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:33:23" (2/3) ... [2022-01-29 11:33:23,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f83fe17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 11:33:23, skipping insertion in model container [2022-01-29 11:33:23,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 11:33:23" (3/3) ... [2022-01-29 11:33:24,000 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_pos.i [2022-01-29 11:33:24,003 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-29 11:33:24,003 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-29 11:33:24,003 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-29 11:33:24,003 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-29 11:33:24,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,045 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,046 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,046 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,046 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,050 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,051 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 11:33:24,054 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-01-29 11:33:24,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-29 11:33:24,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 11:33:24,111 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-01-29 11:33:24,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-01-29 11:33:24,147 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-29 11:33:24,153 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-29 11:33:24,153 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-29 11:33:24,254 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-29 11:33:24,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 11:33:24,259 INFO L85 PathProgramCache]: Analyzing trace with hash -881270525, now seen corresponding path program 1 times [2022-01-29 11:33:24,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 11:33:24,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661396424] [2022-01-29 11:33:24,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 11:33:24,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 11:33:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-29 11:33:24,379 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-29 11:33:24,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-29 11:33:24,440 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-29 11:33:24,444 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-29 11:33:24,445 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-01-29 11:33:24,446 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-01-29 11:33:24,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-29 11:33:24,456 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-29 11:33:24,459 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-29 11:33:24,459 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-29 11:33:24,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 11:33:24 BasicIcfg [2022-01-29 11:33:24,495 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-29 11:33:24,497 INFO L158 Benchmark]: Toolchain (without parser) took 1313.92ms. Allocated memory is still 222.3MB. Free memory was 170.4MB in the beginning and 133.8MB in the end (delta: 36.5MB). Peak memory consumption was 36.1MB. Max. memory is 8.0GB. [2022-01-29 11:33:24,500 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 222.3MB. Free memory was 188.0MB in the beginning and 187.9MB in the end (delta: 67.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-29 11:33:24,501 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.29ms. Allocated memory is still 222.3MB. Free memory was 170.2MB in the beginning and 188.4MB in the end (delta: -18.2MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. [2022-01-29 11:33:24,501 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.82ms. Allocated memory is still 222.3MB. Free memory was 188.4MB in the beginning and 186.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-29 11:33:24,502 INFO L158 Benchmark]: Boogie Preprocessor took 28.53ms. Allocated memory is still 222.3MB. Free memory was 186.3MB in the beginning and 185.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-29 11:33:24,503 INFO L158 Benchmark]: RCFGBuilder took 303.22ms. Allocated memory is still 222.3MB. Free memory was 185.2MB in the beginning and 173.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-01-29 11:33:24,504 INFO L158 Benchmark]: TraceAbstraction took 501.00ms. Allocated memory is still 222.3MB. Free memory was 172.6MB in the beginning and 133.8MB in the end (delta: 38.8MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2022-01-29 11:33:24,508 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 222.3MB. Free memory was 188.0MB in the beginning and 187.9MB in the end (delta: 67.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 428.29ms. Allocated memory is still 222.3MB. Free memory was 170.2MB in the beginning and 188.4MB in the end (delta: -18.2MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.82ms. Allocated memory is still 222.3MB. Free memory was 188.4MB in the beginning and 186.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.53ms. Allocated memory is still 222.3MB. Free memory was 186.3MB in the beginning and 185.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 303.22ms. Allocated memory is still 222.3MB. Free memory was 185.2MB in the beginning and 173.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 501.00ms. Allocated memory is still 222.3MB. Free memory was 172.6MB in the beginning and 133.8MB in the end (delta: 38.8MB). Peak memory consumption was 38.8MB. 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={6:0}, 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={6:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L699] CALL 0 __VERIFIER_assert(glob1 == 5) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.1s, 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, 42 NumberOfCodeBlocks, 42 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! [2022-01-29 11:33:24,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-01-29 11:33:24,752 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...