/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/36-apron_17-traces-rpb-litmus_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-10 06:53:08,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 06:53:08,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 06:53:08,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-10 06:53:08,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-10 06:53:08,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-10 06:53:08,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-10 06:53:08,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-10 06:53:08,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-10 06:53:08,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-10 06:53:08,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-10 06:53:08,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-10 06:53:08,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 06:53:08,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 06:53:08,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 06:53:08,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 06:53:08,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 06:53:08,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 06:53:08,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 06:53:08,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 06:53:08,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 06:53:08,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 06:53:08,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 06:53:08,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 06:53:08,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-10 06:53:08,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 06:53:08,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 06:53:08,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 06:53:08,135 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 [2022-02-10 06:53:08,171 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 06:53:08,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 06:53:08,172 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 06:53:08,172 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 06:53:08,173 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 06:53:08,173 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 06:53:08,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 06:53:08,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 06:53:08,174 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 06:53:08,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 06:53:08,175 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 06:53:08,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 06:53:08,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 06:53:08,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 06:53:08,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 06:53:08,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 06:53:08,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 06:53:08,176 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 06:53:08,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 06:53:08,176 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 06:53:08,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 06:53:08,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 06:53:08,177 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 06:53:08,177 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 06:53:08,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 06:53:08,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 06:53:08,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 06:53:08,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 06:53:08,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 06:53:08,179 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 06:53:08,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 06:53:08,179 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 06:53:08,180 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-10 06:53:08,180 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 06:53:08,180 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-10 06:53:08,180 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 06:53:08,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 06:53:08,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 06:53:08,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 06:53:08,416 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 06:53:08,417 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 06:53:08,418 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2022-02-10 06:53:08,474 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b74f3509/5c0964167e2c4479bf55109c912e40df/FLAG22daec4ac [2022-02-10 06:53:08,863 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 06:53:08,864 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2022-02-10 06:53:08,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b74f3509/5c0964167e2c4479bf55109c912e40df/FLAG22daec4ac [2022-02-10 06:53:09,224 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b74f3509/5c0964167e2c4479bf55109c912e40df [2022-02-10 06:53:09,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 06:53:09,227 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 06:53:09,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 06:53:09,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 06:53:09,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 06:53:09,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 06:53:09" (1/1) ... [2022-02-10 06:53:09,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7314cdba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 06:53:09, skipping insertion in model container [2022-02-10 06:53:09,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 06:53:09" (1/1) ... [2022-02-10 06:53:09,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 06:53:09,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 06:53:09,443 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/36-apron_17-traces-rpb-litmus_unknown_1_neg.i[1098,1111] [2022-02-10 06:53:09,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 06:53:09,560 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 06:53:09,571 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/36-apron_17-traces-rpb-litmus_unknown_1_neg.i[1098,1111] [2022-02-10 06:53:09,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 06:53:09,654 INFO L208 MainTranslator]: Completed translation [2022-02-10 06:53:09,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 06:53:09 WrapperNode [2022-02-10 06:53:09,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 06:53:09,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 06:53:09,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 06:53:09,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 06:53:09,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 06:53:09" (1/1) ... [2022-02-10 06:53:09,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 06:53:09" (1/1) ... [2022-02-10 06:53:09,721 INFO L137 Inliner]: procedures = 163, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-02-10 06:53:09,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 06:53:09,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 06:53:09,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 06:53:09,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 06:53:09,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 06:53:09" (1/1) ... [2022-02-10 06:53:09,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 06:53:09" (1/1) ... [2022-02-10 06:53:09,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 06:53:09" (1/1) ... [2022-02-10 06:53:09,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 06:53:09" (1/1) ... [2022-02-10 06:53:09,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 06:53:09" (1/1) ... [2022-02-10 06:53:09,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 06:53:09" (1/1) ... [2022-02-10 06:53:09,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 06:53:09" (1/1) ... [2022-02-10 06:53:09,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 06:53:09,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 06:53:09,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 06:53:09,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 06:53:09,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 06:53:09" (1/1) ... [2022-02-10 06:53:09,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 06:53:09,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 06:53:09,781 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-10 06:53:09,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-10 06:53:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 06:53:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 06:53:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 06:53:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 06:53:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-10 06:53:09,821 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-10 06:53:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 06:53:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 06:53:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 06:53:09,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 06:53:09,823 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 06:53:09,907 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 06:53:09,909 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 06:53:10,046 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 06:53:10,052 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 06:53:10,052 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 06:53:10,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 06:53:10 BoogieIcfgContainer [2022-02-10 06:53:10,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 06:53:10,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 06:53:10,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 06:53:10,060 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 06:53:10,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 06:53:09" (1/3) ... [2022-02-10 06:53:10,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f68c2eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 06:53:10, skipping insertion in model container [2022-02-10 06:53:10,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 06:53:09" (2/3) ... [2022-02-10 06:53:10,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f68c2eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 06:53:10, skipping insertion in model container [2022-02-10 06:53:10,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 06:53:10" (3/3) ... [2022-02-10 06:53:10,063 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2022-02-10 06:53:10,067 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 06:53:10,067 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 06:53:10,067 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-10 06:53:10,067 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 06:53:10,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 06:53:10,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 06:53:10,136 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 06:53:10,136 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 06:53:10,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 06:53:10,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 06:53:10,137 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 06:53:10,137 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 06:53:10,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 06:53:10,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 06:53:10,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 06:53:10,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 06:53:10,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 06:53:10,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 06:53:10,145 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 06:53:10,145 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 06:53:10,146 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 06:53:10,146 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 06:53:10,146 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 06:53:10,146 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 06:53:10,150 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 06:53:10,150 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 06:53:10,150 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 06:53:10,150 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 06:53:10,151 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 06:53:10,151 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 06:53:10,153 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-10 06:53:10,194 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-10 06:53:10,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 06:53:10,199 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-10 06:53:10,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-10 06:53:10,232 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 06:53:10,238 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 06:53:10,238 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-10 06:53:10,248 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 80 places, 78 transitions, 161 flow [2022-02-10 06:53:10,287 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 245 states, 244 states have (on average 1.7827868852459017) internal successors, (435), 244 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 06:53:10,416 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 73 transitions and produced 74 states. [2022-02-10 06:53:10,419 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 06:53:10,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 06:53:10,424 INFO L85 PathProgramCache]: Analyzing trace with hash 687613271, now seen corresponding path program 1 times [2022-02-10 06:53:10,433 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 06:53:10,433 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690630928] [2022-02-10 06:53:10,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 06:53:10,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 06:53:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 06:53:10,618 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-10 06:53:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 06:53:10,705 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-10 06:53:10,707 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-10 06:53:10,708 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-02-10 06:53:10,710 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-10 06:53:10,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 06:53:10,717 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-10 06:53:10,722 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 06:53:10,723 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 06:53:10,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 06:53:10 BasicIcfg [2022-02-10 06:53:10,782 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 06:53:10,783 INFO L158 Benchmark]: Toolchain (without parser) took 1555.68ms. Allocated memory is still 197.1MB. Free memory was 144.7MB in the beginning and 92.8MB in the end (delta: 51.9MB). Peak memory consumption was 51.0MB. Max. memory is 8.0GB. [2022-02-10 06:53:10,783 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 197.1MB. Free memory is still 162.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 06:53:10,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.15ms. Allocated memory is still 197.1MB. Free memory was 144.5MB in the beginning and 164.6MB in the end (delta: -20.1MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. [2022-02-10 06:53:10,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.78ms. Allocated memory is still 197.1MB. Free memory was 164.6MB in the beginning and 162.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 06:53:10,785 INFO L158 Benchmark]: Boogie Preprocessor took 22.61ms. Allocated memory is still 197.1MB. Free memory was 162.5MB in the beginning and 161.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 06:53:10,785 INFO L158 Benchmark]: RCFGBuilder took 307.58ms. Allocated memory is still 197.1MB. Free memory was 161.5MB in the beginning and 149.4MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-10 06:53:10,786 INFO L158 Benchmark]: TraceAbstraction took 726.43ms. Allocated memory is still 197.1MB. Free memory was 148.9MB in the beginning and 92.8MB in the end (delta: 56.1MB). Peak memory consumption was 55.6MB. Max. memory is 8.0GB. [2022-02-10 06:53:10,794 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 197.1MB. Free memory is still 162.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 424.15ms. Allocated memory is still 197.1MB. Free memory was 144.5MB in the beginning and 164.6MB in the end (delta: -20.1MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 65.78ms. Allocated memory is still 197.1MB. Free memory was 164.6MB in the beginning and 162.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.61ms. Allocated memory is still 197.1MB. Free memory was 162.5MB in the beginning and 161.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 307.58ms. Allocated memory is still 197.1MB. Free memory was 161.5MB in the beginning and 149.4MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 726.43ms. Allocated memory is still 197.1MB. Free memory was 148.9MB in the beginning and 92.8MB in the end (delta: 56.1MB). Peak memory consumption was 55.6MB. 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: [L682] 0 int g = 42; VAL [g=42] [L683] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=42] [L684] 0 pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, B={4:0}, g=42] [L694] 0 int r = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=1, A={3:0}, B={4:0}, g=42, r=1] [L695] 0 int t; VAL [A={3:0}, B={4:0}, g=42, r=1] [L696] 0 pthread_t id; VAL [A={3:0}, B={4:0}, g=42, id={5:0}, r=1] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, r=1] [L700] COND TRUE 0 \read(r) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, r=1] [L701] 0 g = 17 VAL [A={3:0}, arg={0:0}, B={4:0}, g=17, id={5:0}, r=1] [L705] 0 t = g VAL [A={3:0}, arg={0:0}, B={4:0}, g=17, id={5:0}, r=1, t=17] [L706] CALL 0 __VERIFIER_assert(!(t == 17)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=17] [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=17] - 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, 89 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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=245occurred 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, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-02-10 06:53:10,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-10 06:53:11,031 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...