/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-After.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 11:56:27,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 11:56:27,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 11:56:27,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 11:56:27,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 11:56:27,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 11:56:27,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 11:56:27,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 11:56:27,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 11:56:27,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 11:56:27,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 11:56:27,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 11:56:27,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 11:56:27,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 11:56:27,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 11:56:27,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 11:56:27,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 11:56:27,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 11:56:27,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 11:56:27,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 11:56:27,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 11:56:27,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 11:56:27,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 11:56:27,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 11:56:27,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-19 11:56:27,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 11:56:27,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 11:56:27,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 11:56:27,178 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-After.epf [2022-01-19 11:56:27,206 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 11:56:27,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 11:56:27,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 11:56:27,208 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 11:56:27,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 11:56:27,208 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 11:56:27,209 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 11:56:27,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 11:56:27,209 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 11:56:27,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 11:56:27,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 11:56:27,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 11:56:27,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 11:56:27,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 11:56:27,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 11:56:27,210 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 11:56:27,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 11:56:27,210 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 11:56:27,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 11:56:27,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 11:56:27,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 11:56:27,211 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 11:56:27,211 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 11:56:27,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 11:56:27,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 11:56:27,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 11:56:27,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 11:56:27,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 11:56:27,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 11:56:27,213 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 11:56:27,213 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 11:56:27,213 INFO L138 SettingsManager]: * When to check the insufficient erros location relative to the other error locations=AFTER [2022-01-19 11:56:27,213 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 11:56:27,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 11:56:27,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 11:56:27,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 11:56:27,439 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 11:56:27,440 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 11:56:27,441 INFO L432 ainManager$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_neg.i [2022-01-19 11:56:27,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/552471894/310a0c99f84c4062ab2f0ed071df9b32/FLAG217eb2678 [2022-01-19 11:56:27,882 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 11:56:27,883 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-01-19 11:56:27,895 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/552471894/310a0c99f84c4062ab2f0ed071df9b32/FLAG217eb2678 [2022-01-19 11:56:27,907 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/552471894/310a0c99f84c4062ab2f0ed071df9b32 [2022-01-19 11:56:27,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 11:56:27,913 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 11:56:27,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 11:56:27,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 11:56:27,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 11:56:27,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 11:56:27" (1/1) ... [2022-01-19 11:56:27,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a142581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:56:27, skipping insertion in model container [2022-01-19 11:56:27,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 11:56:27" (1/1) ... [2022-01-19 11:56:27,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 11:56:27,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 11:56:28,099 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_neg.i[1103,1116] [2022-01-19 11:56:28,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 11:56:28,199 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 11:56:28,209 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_neg.i[1103,1116] [2022-01-19 11:56:28,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 11:56:28,258 INFO L208 MainTranslator]: Completed translation [2022-01-19 11:56:28,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:56:28 WrapperNode [2022-01-19 11:56:28,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 11:56:28,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 11:56:28,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 11:56:28,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 11:56:28,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:56:28" (1/1) ... [2022-01-19 11:56:28,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:56:28" (1/1) ... [2022-01-19 11:56:28,318 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-01-19 11:56:28,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 11:56:28,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 11:56:28,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 11:56:28,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 11:56:28,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:56:28" (1/1) ... [2022-01-19 11:56:28,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:56:28" (1/1) ... [2022-01-19 11:56:28,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:56:28" (1/1) ... [2022-01-19 11:56:28,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:56:28" (1/1) ... [2022-01-19 11:56:28,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:56:28" (1/1) ... [2022-01-19 11:56:28,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:56:28" (1/1) ... [2022-01-19 11:56:28,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:56:28" (1/1) ... [2022-01-19 11:56:28,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 11:56:28,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 11:56:28,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 11:56:28,335 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 11:56:28,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:56:28" (1/1) ... [2022-01-19 11:56:28,345 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 11:56:28,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 11:56:28,369 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) [2022-01-19 11:56:28,380 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 [2022-01-19 11:56:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-19 11:56:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 11:56:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-19 11:56:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 11:56:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 11:56:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-19 11:56:28,407 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-19 11:56:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 11:56:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 11:56:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 11:56:28,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 11:56:28,408 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-19 11:56:28,486 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 11:56:28,487 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 11:56:28,666 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 11:56:28,673 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 11:56:28,673 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-19 11:56:28,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 11:56:28 BoogieIcfgContainer [2022-01-19 11:56:28,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 11:56:28,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 11:56:28,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 11:56:28,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 11:56:28,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 11:56:27" (1/3) ... [2022-01-19 11:56:28,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34142dc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 11:56:28, skipping insertion in model container [2022-01-19 11:56:28,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:56:28" (2/3) ... [2022-01-19 11:56:28,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34142dc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 11:56:28, skipping insertion in model container [2022-01-19 11:56:28,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 11:56:28" (3/3) ... [2022-01-19 11:56:28,681 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2022-01-19 11:56:28,685 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 11:56:28,685 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-19 11:56:28,685 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 11:56:28,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,710 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,710 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,710 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,711 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,719 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,720 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:56:28,724 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-01-19 11:56:28,774 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 11:56:28,779 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 [2022-01-19 11:56:28,780 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-19 11:56:28,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 71 transitions, 150 flow [2022-01-19 11:56:28,821 INFO L129 PetriNetUnfolder]: 1/70 cut-off events. [2022-01-19 11:56:28,821 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-01-19 11:56:28,823 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 70 events. 1/70 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 36 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2022-01-19 11:56:28,823 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 71 transitions, 150 flow [2022-01-19 11:56:28,827 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 56 transitions, 115 flow [2022-01-19 11:56:28,840 INFO L129 PetriNetUnfolder]: 0/51 cut-off events. [2022-01-19 11:56:28,840 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-19 11:56:28,841 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 11:56:28,841 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] [2022-01-19 11:56:28,842 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-19 11:56:28,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 11:56:28,846 INFO L85 PathProgramCache]: Analyzing trace with hash -881270525, now seen corresponding path program 1 times [2022-01-19 11:56:28,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 11:56:28,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362465895] [2022-01-19 11:56:28,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 11:56:28,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 11:56:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-19 11:56:28,950 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-19 11:56:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-19 11:56:28,994 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-19 11:56:28,996 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-19 11:56:28,996 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-01-19 11:56:28,998 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-01-19 11:56:28,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 11:56:29,001 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-19 11:56:29,007 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-19 11:56:29,008 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-19 11:56:29,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.01 11:56:29 BasicIcfg [2022-01-19 11:56:29,049 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-19 11:56:29,051 INFO L158 Benchmark]: Toolchain (without parser) took 1136.52ms. Allocated memory was 341.8MB in the beginning and 494.9MB in the end (delta: 153.1MB). Free memory was 284.7MB in the beginning and 416.4MB in the end (delta: -131.7MB). Peak memory consumption was 21.7MB. Max. memory is 16.0GB. [2022-01-19 11:56:29,052 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 341.8MB. Free memory was 303.1MB in the beginning and 303.0MB in the end (delta: 127.9kB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-19 11:56:29,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.06ms. Allocated memory was 341.8MB in the beginning and 494.9MB in the end (delta: 153.1MB). Free memory was 284.6MB in the beginning and 458.3MB in the end (delta: -173.8MB). Peak memory consumption was 9.9MB. Max. memory is 16.0GB. [2022-01-19 11:56:29,054 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.38ms. Allocated memory is still 494.9MB. Free memory was 458.3MB in the beginning and 456.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-19 11:56:29,055 INFO L158 Benchmark]: Boogie Preprocessor took 15.11ms. Allocated memory is still 494.9MB. Free memory was 456.9MB in the beginning and 455.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-19 11:56:29,055 INFO L158 Benchmark]: RCFGBuilder took 340.30ms. Allocated memory is still 494.9MB. Free memory was 455.6MB in the beginning and 443.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2022-01-19 11:56:29,056 INFO L158 Benchmark]: TraceAbstraction took 372.42ms. Allocated memory is still 494.9MB. Free memory was 443.0MB in the beginning and 416.4MB in the end (delta: 26.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. [2022-01-19 11:56:29,058 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 341.8MB. Free memory was 303.1MB in the beginning and 303.0MB in the end (delta: 127.9kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 346.06ms. Allocated memory was 341.8MB in the beginning and 494.9MB in the end (delta: 153.1MB). Free memory was 284.6MB in the beginning and 458.3MB in the end (delta: -173.8MB). Peak memory consumption was 9.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 56.38ms. Allocated memory is still 494.9MB. Free memory was 458.3MB in the beginning and 456.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 15.11ms. Allocated memory is still 494.9MB. Free memory was 456.9MB in the beginning and 455.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 340.30ms. Allocated memory is still 494.9MB. Free memory was 455.6MB in the beginning and 443.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 372.42ms. Allocated memory is still 494.9MB. Free memory was 443.0MB in the beginning and 416.4MB in the end (delta: 26.6MB). 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 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] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 0)) [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. 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=115occurred 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, 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! [2022-01-19 11:56:29,092 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...