/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 00:21:29,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 00:21:29,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 00:21:29,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 00:21:29,776 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-FA-NoLbe.epf [2022-02-09 00:21:29,805 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 00:21:29,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 00:21:29,805 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 00:21:29,805 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 00:21:29,806 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 00:21:29,806 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 00:21:29,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 00:21:29,806 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 00:21:29,806 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 00:21:29,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 00:21:29,807 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 00:21:29,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 00:21:29,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 00:21:29,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 00:21:29,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 00:21:29,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 00:21:29,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 00:21:29,807 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 00:21:29,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 00:21:29,807 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 00:21:29,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 00:21:29,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 00:21:29,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 00:21:29,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 00:21:29,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 00:21:29,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 00:21:29,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 00:21:29,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 00:21:29,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 00:21:29,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 00:21:29,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 00:21:29,808 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 00:21:29,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 00:21:29,809 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 00:21:30,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 00:21:30,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 00:21:30,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 00:21:30,029 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 00:21:30,029 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 00:21:30,030 INFO L432 ainManager$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_pos.i [2022-02-09 00:21:30,079 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b9a032d0/1941682ab5d44611a779ba0b475e2db3/FLAG18ef39bab [2022-02-09 00:21:30,508 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 00:21:30,508 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-02-09 00:21:30,528 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b9a032d0/1941682ab5d44611a779ba0b475e2db3/FLAG18ef39bab [2022-02-09 00:21:30,542 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b9a032d0/1941682ab5d44611a779ba0b475e2db3 [2022-02-09 00:21:30,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 00:21:30,549 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 00:21:30,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 00:21:30,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 00:21:30,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 00:21:30,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 12:21:30" (1/1) ... [2022-02-09 00:21:30,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@787679f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:21:30, skipping insertion in model container [2022-02-09 00:21:30,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 12:21:30" (1/1) ... [2022-02-09 00:21:30,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 00:21:30,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 00:21:30,770 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_pos.i[1098,1111] [2022-02-09 00:21:30,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 00:21:30,908 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 00:21:30,917 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_pos.i[1098,1111] [2022-02-09 00:21:30,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 00:21:30,972 INFO L208 MainTranslator]: Completed translation [2022-02-09 00:21:30,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:21:30 WrapperNode [2022-02-09 00:21:30,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 00:21:30,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 00:21:30,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 00:21:30,974 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 00:21:30,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:21:30" (1/1) ... [2022-02-09 00:21:31,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:21:30" (1/1) ... [2022-02-09 00:21:31,023 INFO L137 Inliner]: procedures = 163, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-02-09 00:21:31,024 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 00:21:31,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 00:21:31,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 00:21:31,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 00:21:31,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:21:30" (1/1) ... [2022-02-09 00:21:31,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:21:30" (1/1) ... [2022-02-09 00:21:31,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:21:30" (1/1) ... [2022-02-09 00:21:31,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:21:30" (1/1) ... [2022-02-09 00:21:31,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:21:30" (1/1) ... [2022-02-09 00:21:31,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:21:30" (1/1) ... [2022-02-09 00:21:31,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:21:30" (1/1) ... [2022-02-09 00:21:31,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 00:21:31,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 00:21:31,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 00:21:31,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 00:21:31,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:21:30" (1/1) ... [2022-02-09 00:21:31,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 00:21:31,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 00:21:31,102 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) [2022-02-09 00:21:31,116 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 [2022-02-09 00:21:31,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 00:21:31,131 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-09 00:21:31,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 00:21:31,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 00:21:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-09 00:21:31,132 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-09 00:21:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 00:21:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 00:21:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 00:21:31,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 00:21:31,133 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 00:21:31,298 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 00:21:31,300 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 00:21:31,467 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 00:21:31,472 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 00:21:31,472 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 00:21:31,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 12:21:31 BoogieIcfgContainer [2022-02-09 00:21:31,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 00:21:31,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 00:21:31,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 00:21:31,482 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 00:21:31,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 12:21:30" (1/3) ... [2022-02-09 00:21:31,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b08a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 12:21:31, skipping insertion in model container [2022-02-09 00:21:31,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:21:30" (2/3) ... [2022-02-09 00:21:31,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b08a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 12:21:31, skipping insertion in model container [2022-02-09 00:21:31,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 12:21:31" (3/3) ... [2022-02-09 00:21:31,484 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-02-09 00:21:31,488 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 00:21:31,488 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 00:21:31,488 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 00:21:31,488 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 00:21:31,512 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:21:31,512 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:21:31,512 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:21:31,512 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:21:31,512 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:21:31,513 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:21:31,513 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:21:31,513 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:21:31,513 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:21:31,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:21:31,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:21:31,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:21:31,515 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:21:31,515 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:21:31,515 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:21:31,515 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:21:31,515 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:21:31,516 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:21:31,516 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:21:31,516 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:21:31,518 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:21:31,518 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:21:31,518 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:21:31,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:21:31,519 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:21:31,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:21:31,520 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-09 00:21:31,551 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 00:21:31,558 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=FINITE_AUTOMATA, 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 [2022-02-09 00:21:31,559 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-09 00:21:31,568 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 80 places, 78 transitions, 161 flow [2022-02-09 00:21:31,593 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) [2022-02-09 00:21:31,596 INFO L276 IsEmpty]: Start isEmpty. Operand 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) [2022-02-09 00:21:31,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-02-09 00:21:31,604 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:21:31,604 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1] [2022-02-09 00:21:31,604 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 00:21:31,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:21:31,608 INFO L85 PathProgramCache]: Analyzing trace with hash -280445477, now seen corresponding path program 1 times [2022-02-09 00:21:31,614 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:21:31,615 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912789406] [2022-02-09 00:21:31,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:21:31,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:21:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 00:21:31,738 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 00:21:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 00:21:31,811 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 00:21:31,812 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 00:21:31,813 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-02-09 00:21:31,814 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-09 00:21:31,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 00:21:31,818 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-09 00:21:31,822 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 00:21:31,822 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 00:21:31,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 12:21:31 BasicIcfg [2022-02-09 00:21:31,865 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 00:21:31,866 INFO L158 Benchmark]: Toolchain (without parser) took 1317.20ms. Allocated memory was 232.8MB in the beginning and 319.8MB in the end (delta: 87.0MB). Free memory was 176.8MB in the beginning and 241.9MB in the end (delta: -65.0MB). Peak memory consumption was 22.1MB. Max. memory is 8.0GB. [2022-02-09 00:21:31,867 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 232.8MB. Free memory was 194.4MB in the beginning and 194.3MB in the end (delta: 122.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 00:21:31,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.97ms. Allocated memory was 232.8MB in the beginning and 319.8MB in the end (delta: 87.0MB). Free memory was 176.7MB in the beginning and 283.3MB in the end (delta: -106.6MB). Peak memory consumption was 6.0MB. Max. memory is 8.0GB. [2022-02-09 00:21:31,869 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.20ms. Allocated memory is still 319.8MB. Free memory was 283.3MB in the beginning and 281.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 00:21:31,872 INFO L158 Benchmark]: Boogie Preprocessor took 17.87ms. Allocated memory is still 319.8MB. Free memory was 281.2MB in the beginning and 279.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 00:21:31,872 INFO L158 Benchmark]: RCFGBuilder took 430.57ms. Allocated memory is still 319.8MB. Free memory was 279.6MB in the beginning and 266.5MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-09 00:21:31,873 INFO L158 Benchmark]: TraceAbstraction took 390.79ms. Allocated memory is still 319.8MB. Free memory was 266.0MB in the beginning and 241.9MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2022-02-09 00:21:31,878 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 232.8MB. Free memory was 194.4MB in the beginning and 194.3MB in the end (delta: 122.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 422.97ms. Allocated memory was 232.8MB in the beginning and 319.8MB in the end (delta: 87.0MB). Free memory was 176.7MB in the beginning and 283.3MB in the end (delta: -106.6MB). Peak memory consumption was 6.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.20ms. Allocated memory is still 319.8MB. Free memory was 283.3MB in the beginning and 281.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.87ms. Allocated memory is still 319.8MB. Free memory was 281.2MB in the beginning and 279.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 430.57ms. Allocated memory is still 319.8MB. Free memory was 279.6MB in the beginning and 266.5MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 390.79ms. Allocated memory is still 319.8MB. Free memory was 266.0MB in the beginning and 241.9MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * 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: [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()=0, A={3:0}, B={4:0}, g=42, r=0] [L695] 0 int t; VAL [A={3:0}, B={4:0}, g=42, r=0] [L696] 0 pthread_t id; VAL [A={3:0}, B={4:0}, g=42, id={5:0}, r=0] [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=0] [L700] COND FALSE 0 !(\read(r)) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, r=0] [L705] 0 t = g VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, r=0, t=42] [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=42] [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=42] - 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: 0.3s, 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=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, 50 NumberOfCodeBlocks, 50 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! [2022-02-09 00:21:31,908 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...