/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-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-18 19:13:44,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-18 19:13:44,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-18 19:13:44,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-18 19:13:44,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-18 19:13:44,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-18 19:13:44,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-18 19:13:44,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-18 19:13:44,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-18 19:13:44,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-18 19:13:44,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-18 19:13:44,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-18 19:13:44,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-18 19:13:44,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-18 19:13:44,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-18 19:13:44,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-18 19:13:44,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-18 19:13:44,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-18 19:13:44,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-18 19:13:44,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-18 19:13:44,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-18 19:13:44,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-18 19:13:44,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-18 19:13:44,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-18 19:13:44,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-18 19:13:44,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-18 19:13:44,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-18 19:13:44,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-18 19:13:44,620 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-POR-NewStatesSleep-NoLbe.epf [2022-02-18 19:13:44,633 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-18 19:13:44,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-18 19:13:44,634 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-18 19:13:44,634 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-18 19:13:44,634 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-18 19:13:44,635 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-18 19:13:44,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-18 19:13:44,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-18 19:13:44,635 INFO L138 SettingsManager]: * Use SBE=true [2022-02-18 19:13:44,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-18 19:13:44,635 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-18 19:13:44,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-18 19:13:44,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-18 19:13:44,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-18 19:13:44,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-18 19:13:44,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-18 19:13:44,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-18 19:13:44,636 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-18 19:13:44,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-18 19:13:44,636 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-18 19:13:44,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-18 19:13:44,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-18 19:13:44,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-18 19:13:44,637 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-18 19:13:44,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-18 19:13:44,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 19:13:44,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-18 19:13:44,637 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-18 19:13:44,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-18 19:13:44,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-18 19:13:44,637 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-18 19:13:44,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-18 19:13:44,637 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-18 19:13:44,638 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-18 19:13:44,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-18 19:13:44,638 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-18 19:13:44,638 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-18 19:13:44,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-18 19:13:44,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-18 19:13:44,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-18 19:13:44,843 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-18 19:13:44,844 INFO L275 PluginConnector]: CDTParser initialized [2022-02-18 19:13:44,844 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-02-18 19:13:44,887 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc0c2064f/20a858b1b4a04633ad4daf479cc10a1f/FLAGbac1b5b90 [2022-02-18 19:13:45,250 INFO L306 CDTParser]: Found 1 translation units. [2022-02-18 19:13:45,250 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-02-18 19:13:45,270 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc0c2064f/20a858b1b4a04633ad4daf479cc10a1f/FLAGbac1b5b90 [2022-02-18 19:13:45,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc0c2064f/20a858b1b4a04633ad4daf479cc10a1f [2022-02-18 19:13:45,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-18 19:13:45,647 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-18 19:13:45,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-18 19:13:45,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-18 19:13:45,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-18 19:13:45,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 07:13:45" (1/1) ... [2022-02-18 19:13:45,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@404befaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:13:45, skipping insertion in model container [2022-02-18 19:13:45,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 07:13:45" (1/1) ... [2022-02-18 19:13:45,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-18 19:13:45,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-18 19:13:45,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2022-02-18 19:13:45,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 19:13:45,927 INFO L203 MainTranslator]: Completed pre-run [2022-02-18 19:13:45,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2022-02-18 19:13:45,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 19:13:46,000 INFO L208 MainTranslator]: Completed translation [2022-02-18 19:13:46,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:13:46 WrapperNode [2022-02-18 19:13:46,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-18 19:13:46,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-18 19:13:46,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-18 19:13:46,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-18 19:13:46,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:13:46" (1/1) ... [2022-02-18 19:13:46,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:13:46" (1/1) ... [2022-02-18 19:13:46,038 INFO L137 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-02-18 19:13:46,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-18 19:13:46,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-18 19:13:46,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-18 19:13:46,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-18 19:13:46,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:13:46" (1/1) ... [2022-02-18 19:13:46,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:13:46" (1/1) ... [2022-02-18 19:13:46,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:13:46" (1/1) ... [2022-02-18 19:13:46,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:13:46" (1/1) ... [2022-02-18 19:13:46,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:13:46" (1/1) ... [2022-02-18 19:13:46,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:13:46" (1/1) ... [2022-02-18 19:13:46,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:13:46" (1/1) ... [2022-02-18 19:13:46,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-18 19:13:46,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-18 19:13:46,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-18 19:13:46,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-18 19:13:46,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:13:46" (1/1) ... [2022-02-18 19:13:46,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 19:13:46,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 19:13:46,101 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) [2022-02-18 19:13:46,102 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 [2022-02-18 19:13:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-18 19:13:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-18 19:13:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-18 19:13:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-18 19:13:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-18 19:13:46,129 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-18 19:13:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-18 19:13:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-18 19:13:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-18 19:13:46,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-18 19:13:46,130 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-18 19:13:46,228 INFO L234 CfgBuilder]: Building ICFG [2022-02-18 19:13:46,229 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-18 19:13:46,379 INFO L275 CfgBuilder]: Performing block encoding [2022-02-18 19:13:46,384 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-18 19:13:46,384 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-18 19:13:46,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 07:13:46 BoogieIcfgContainer [2022-02-18 19:13:46,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-18 19:13:46,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-18 19:13:46,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-18 19:13:46,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-18 19:13:46,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 07:13:45" (1/3) ... [2022-02-18 19:13:46,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a411b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 07:13:46, skipping insertion in model container [2022-02-18 19:13:46,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:13:46" (2/3) ... [2022-02-18 19:13:46,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a411b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 07:13:46, skipping insertion in model container [2022-02-18 19:13:46,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 07:13:46" (3/3) ... [2022-02-18 19:13:46,394 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-02-18 19:13:46,398 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-18 19:13:46,398 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-18 19:13:46,398 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-18 19:13:46,398 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-18 19:13:46,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:13:46,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:13:46,434 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:13:46,434 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:13:46,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:13:46,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:13:46,435 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:13:46,435 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:13:46,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:13:46,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:13:46,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:13:46,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:13:46,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:13:46,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:13:46,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:13:46,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:13:46,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:13:46,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:13:46,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:13:46,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:13:46,449 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:13:46,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:13:46,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:13:46,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:13:46,450 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:13:46,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 19:13:46,453 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-18 19:13:46,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-18 19:13:46,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 19:13:46,509 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) [2022-02-18 19:13:46,532 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 [2022-02-18 19:13:46,537 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-18 19:13:46,543 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=true, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-18 19:13:46,544 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-18 19:13:46,595 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-18 19:13:46,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 19:13:46,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1593244809, now seen corresponding path program 1 times [2022-02-18 19:13:46,606 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 19:13:46,606 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227015090] [2022-02-18 19:13:46,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 19:13:46,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 19:13:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-18 19:13:46,744 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-18 19:13:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-18 19:13:46,811 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-18 19:13:46,812 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-18 19:13:46,813 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-02-18 19:13:46,814 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-18 19:13:46,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-18 19:13:46,819 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-18 19:13:46,822 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-18 19:13:46,822 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-18 19:13:46,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 07:13:46 BasicIcfg [2022-02-18 19:13:46,845 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-18 19:13:46,846 INFO L158 Benchmark]: Toolchain (without parser) took 1198.10ms. Allocated memory was 180.4MB in the beginning and 252.7MB in the end (delta: 72.4MB). Free memory was 121.7MB in the beginning and 171.3MB in the end (delta: -49.5MB). Peak memory consumption was 22.3MB. Max. memory is 8.0GB. [2022-02-18 19:13:46,846 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 180.4MB. Free memory is still 139.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-18 19:13:46,846 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.95ms. Allocated memory was 180.4MB in the beginning and 252.7MB in the end (delta: 72.4MB). Free memory was 121.5MB in the beginning and 213.7MB in the end (delta: -92.2MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. [2022-02-18 19:13:46,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.77ms. Allocated memory is still 252.7MB. Free memory was 213.7MB in the beginning and 211.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-18 19:13:46,847 INFO L158 Benchmark]: Boogie Preprocessor took 27.07ms. Allocated memory is still 252.7MB. Free memory was 211.6MB in the beginning and 210.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-18 19:13:46,847 INFO L158 Benchmark]: RCFGBuilder took 318.88ms. Allocated memory is still 252.7MB. Free memory was 210.6MB in the beginning and 198.5MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-18 19:13:46,848 INFO L158 Benchmark]: TraceAbstraction took 458.04ms. Allocated memory is still 252.7MB. Free memory was 198.0MB in the beginning and 171.3MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-02-18 19:13:46,850 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 180.4MB. Free memory is still 139.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 351.95ms. Allocated memory was 180.4MB in the beginning and 252.7MB in the end (delta: 72.4MB). Free memory was 121.5MB in the beginning and 213.7MB in the end (delta: -92.2MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.77ms. Allocated memory is still 252.7MB. Free memory was 213.7MB in the beginning and 211.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.07ms. Allocated memory is still 252.7MB. Free memory was 211.6MB in the beginning and 210.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 318.88ms. Allocated memory is still 252.7MB. Free memory was 210.6MB in the beginning and 198.5MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 458.04ms. Allocated memory is still 252.7MB. Free memory was 198.0MB in the beginning and 171.3MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 13, 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: 13, positive: 13, positive conditional: 13, 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: 13, positive: 13, positive conditional: 13, 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: 13, positive: 13, positive conditional: 0, positive unconditional: 13, 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: 13, positive: 13, positive conditional: 0, positive unconditional: 13, 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: 13, positive: 13, positive conditional: 0, positive unconditional: 13, 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: 13, positive: 13, positive conditional: 0, positive unconditional: 13, 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: 13, positive: 13, positive conditional: 0, positive unconditional: 13, 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: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 13, unknown conditional: 0, unknown unconditional: 13] , Statistics on independence cache: Total cache size (in pairs): 13, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int g = 0; VAL [g=0] [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=0] [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, D={4:0}, g=0] [L693] 0 pthread_t id; VAL [A={3:0}, D={4:0}, g=0, id={5:0}] [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, D={4:0}, g=0, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L698] CALL 0 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, A={3:0}, arg={0:0}, cond=0, D={4:0}, g=0] [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, cond=0, D={4:0}, g=0] - UnprovableResult [Line: 694]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 78 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, 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=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-02-18 19:13:46,884 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 [2022-02-18 19:13:47,095 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...