/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-18 23:29:43,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 23:29:43,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 23:29:43,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 23:29:43,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 23:29:43,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 23:29:43,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 23:29:43,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 23:29:43,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 23:29:43,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 23:29:43,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 23:29:43,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 23:29:43,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 23:29:43,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 23:29:43,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 23:29:43,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 23:29:43,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 23:29:43,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 23:29:43,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 23:29:43,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 23:29:43,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 23:29:43,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 23:29:43,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 23:29:43,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 23:29:43,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 23:29:43,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 23:29:43,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 23:29:43,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 23:29:43,738 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-PN-NoLbe.epf [2022-01-18 23:29:43,761 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 23:29:43,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 23:29:43,762 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 23:29:43,762 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 23:29:43,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 23:29:43,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 23:29:43,763 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 23:29:43,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 23:29:43,763 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 23:29:43,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 23:29:43,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 23:29:43,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 23:29:43,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 23:29:43,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 23:29:43,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 23:29:43,764 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 23:29:43,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 23:29:43,764 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 23:29:43,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 23:29:43,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 23:29:43,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 23:29:43,765 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 23:29:43,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 23:29:43,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 23:29:43,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 23:29:43,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 23:29:43,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 23:29:43,765 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 23:29:43,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 23:29:43,766 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 23:29:43,766 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-18 23:29:43,766 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 23:29:43,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 23:29:43,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 23:29:43,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 23:29:43,971 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 23:29:43,972 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 23:29:43,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-01-18 23:29:44,032 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd20f84e0/49735a15856d49e683e082f51b5df18c/FLAG8c982d57f [2022-01-18 23:29:44,379 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 23:29:44,379 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-01-18 23:29:44,387 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd20f84e0/49735a15856d49e683e082f51b5df18c/FLAG8c982d57f [2022-01-18 23:29:44,395 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd20f84e0/49735a15856d49e683e082f51b5df18c [2022-01-18 23:29:44,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 23:29:44,398 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 23:29:44,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 23:29:44,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 23:29:44,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 23:29:44,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 11:29:44" (1/1) ... [2022-01-18 23:29:44,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2da861b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:29:44, skipping insertion in model container [2022-01-18 23:29:44,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 11:29:44" (1/1) ... [2022-01-18 23:29:44,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 23:29:44,424 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 23:29:44,546 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_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2022-01-18 23:29:44,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 23:29:44,622 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 23:29:44,635 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_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2022-01-18 23:29:44,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 23:29:44,697 INFO L208 MainTranslator]: Completed translation [2022-01-18 23:29:44,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:29:44 WrapperNode [2022-01-18 23:29:44,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 23:29:44,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 23:29:44,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 23:29:44,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 23:29:44,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:29:44" (1/1) ... [2022-01-18 23:29:44,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:29:44" (1/1) ... [2022-01-18 23:29:44,737 INFO L137 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-01-18 23:29:44,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 23:29:44,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 23:29:44,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 23:29:44,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 23:29:44,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:29:44" (1/1) ... [2022-01-18 23:29:44,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:29:44" (1/1) ... [2022-01-18 23:29:44,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:29:44" (1/1) ... [2022-01-18 23:29:44,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:29:44" (1/1) ... [2022-01-18 23:29:44,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:29:44" (1/1) ... [2022-01-18 23:29:44,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:29:44" (1/1) ... [2022-01-18 23:29:44,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:29:44" (1/1) ... [2022-01-18 23:29:44,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 23:29:44,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 23:29:44,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 23:29:44,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 23:29:44,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:29:44" (1/1) ... [2022-01-18 23:29:44,771 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 23:29:44,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 23:29:44,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 23:29:44,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 23:29:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 23:29:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-18 23:29:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 23:29:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 23:29:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-18 23:29:44,819 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-18 23:29:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 23:29:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 23:29:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 23:29:44,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 23:29:44,820 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 23:29:44,931 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 23:29:44,932 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 23:29:45,040 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 23:29:45,051 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 23:29:45,052 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-18 23:29:45,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 11:29:45 BoogieIcfgContainer [2022-01-18 23:29:45,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 23:29:45,054 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 23:29:45,054 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 23:29:45,056 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 23:29:45,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 11:29:44" (1/3) ... [2022-01-18 23:29:45,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cfece9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 11:29:45, skipping insertion in model container [2022-01-18 23:29:45,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:29:44" (2/3) ... [2022-01-18 23:29:45,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cfece9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 11:29:45, skipping insertion in model container [2022-01-18 23:29:45,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 11:29:45" (3/3) ... [2022-01-18 23:29:45,057 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-01-18 23:29:45,060 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 23:29:45,060 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 23:29:45,060 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 23:29:45,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:45,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:45,083 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:45,083 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:45,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:45,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:45,083 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:45,083 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:45,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:45,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:45,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:45,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:45,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:45,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:45,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:45,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:45,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:45,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:45,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:45,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:45,087 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:45,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:45,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:45,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:45,087 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:45,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:45,089 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-18 23:29:45,114 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 23:29:45,118 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 23:29:45,118 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-18 23:29:45,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 66 transitions, 137 flow [2022-01-18 23:29:45,146 INFO L129 PetriNetUnfolder]: 1/65 cut-off events. [2022-01-18 23:29:45,146 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-18 23:29:45,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 65 events. 1/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 33. Up to 2 conditions per place. [2022-01-18 23:29:45,148 INFO L82 GeneralOperation]: Start removeDead. Operand has 69 places, 66 transitions, 137 flow [2022-01-18 23:29:45,150 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 55 transitions, 113 flow [2022-01-18 23:29:45,159 INFO L129 PetriNetUnfolder]: 0/54 cut-off events. [2022-01-18 23:29:45,159 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-18 23:29:45,159 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:29:45,160 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:29:45,160 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:29:45,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:29:45,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1593244809, now seen corresponding path program 1 times [2022-01-18 23:29:45,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:29:45,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807310750] [2022-01-18 23:29:45,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:29:45,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:29:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:29:45,245 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 23:29:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:29:45,280 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 23:29:45,281 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 23:29:45,282 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-01-18 23:29:45,283 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-01-18 23:29:45,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 23:29:45,285 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-18 23:29:45,288 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 23:29:45,288 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 23:29:45,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 11:29:45 BasicIcfg [2022-01-18 23:29:45,306 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 23:29:45,306 INFO L158 Benchmark]: Toolchain (without parser) took 908.35ms. Allocated memory is still 436.2MB. Free memory was 382.0MB in the beginning and 358.1MB in the end (delta: 23.9MB). Peak memory consumption was 24.5MB. Max. memory is 16.0GB. [2022-01-18 23:29:45,307 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 436.2MB. Free memory is still 399.6MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 23:29:45,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.59ms. Allocated memory is still 436.2MB. Free memory was 381.8MB in the beginning and 399.9MB in the end (delta: -18.1MB). Peak memory consumption was 18.2MB. Max. memory is 16.0GB. [2022-01-18 23:29:45,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.71ms. Allocated memory is still 436.2MB. Free memory was 399.9MB in the beginning and 397.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 23:29:45,308 INFO L158 Benchmark]: Boogie Preprocessor took 23.03ms. Allocated memory is still 436.2MB. Free memory was 397.9MB in the beginning and 396.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 23:29:45,308 INFO L158 Benchmark]: RCFGBuilder took 291.78ms. Allocated memory is still 436.2MB. Free memory was 396.9MB in the beginning and 384.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2022-01-18 23:29:45,309 INFO L158 Benchmark]: TraceAbstraction took 251.82ms. Allocated memory is still 436.2MB. Free memory was 384.3MB in the beginning and 358.1MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. [2022-01-18 23:29:45,310 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 436.2MB. Free memory is still 399.6MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 299.59ms. Allocated memory is still 436.2MB. Free memory was 381.8MB in the beginning and 399.9MB in the end (delta: -18.1MB). Peak memory consumption was 18.2MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 38.71ms. Allocated memory is still 436.2MB. Free memory was 399.9MB in the beginning and 397.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 23.03ms. Allocated memory is still 436.2MB. Free memory was 397.9MB in the beginning and 396.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 291.78ms. Allocated memory is still 436.2MB. Free memory was 396.9MB in the beginning and 384.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 251.82ms. Allocated memory is still 436.2MB. Free memory was 384.3MB in the beginning and 358.1MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 g = 0; VAL [g=0] [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=0] [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, D={4:0}, g=0] [L693] 0 pthread_t id; VAL [A={3:0}, D={4:0}, g=0, id={5:0}] [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, D={4:0}, g=0, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L698] CALL 0 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, A={3:0}, arg={0:0}, cond=0, D={4:0}, g=0] [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, cond=0, D={4:0}, g=0] - UnprovableResult [Line: 694]: 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, 78 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 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! [2022-01-18 23:29:45,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...