/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-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 06:54:06,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 06:54:06,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 06:54:06,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-02 06:54:06,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-02 06:54:06,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-02 06:54:06,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-02 06:54:06,577 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-02 06:54:06,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-02 06:54:06,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-02 06:54:06,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-02 06:54:06,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-02 06:54:06,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 06:54:06,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 06:54:06,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 06:54:06,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 06:54:06,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 06:54:06,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 06:54:06,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 06:54:06,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 06:54:06,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 06:54:06,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 06:54:06,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 06:54:06,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 06:54:06,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-02 06:54:06,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-02 06:54:06,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-02 06:54:06,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-02 06:54:06,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-02 06:54:06,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-02 06:54:06,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-02 06:54:06,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-02 06:54:06,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-02 06:54:06,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-02 06:54:06,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-02 06:54:06,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-02 06:54:06,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-02 06:54:06,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-02 06:54:06,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 06:54:06,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 06:54:06,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 06:54:06,600 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-Lazy.epf [2022-03-02 06:54:06,624 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 06:54:06,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 06:54:06,624 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 06:54:06,624 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 06:54:06,625 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 06:54:06,625 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 06:54:06,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 06:54:06,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 06:54:06,626 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 06:54:06,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 06:54:06,626 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 06:54:06,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 06:54:06,626 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 06:54:06,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 06:54:06,626 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 06:54:06,626 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 06:54:06,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 06:54:06,627 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 06:54:06,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 06:54:06,627 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 06:54:06,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 06:54:06,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 06:54:06,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 06:54:06,627 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 06:54:06,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 06:54:06,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 06:54:06,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 06:54:06,628 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 06:54:06,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 06:54:06,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 06:54:06,628 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 06:54:06,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 06:54:06,628 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 06:54:06,629 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 06:54:06,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 06:54:06,629 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-02 06:54:06,629 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 06:54:06,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 06:54:06,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 06:54:06,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 06:54:06,822 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-02 06:54:06,823 INFO L275 PluginConnector]: CDTParser initialized [2022-03-02 06:54:06,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i [2022-03-02 06:54:06,895 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19a39a661/da3f0033728546f3afae78595f7df8a0/FLAG006634369 [2022-03-02 06:54:07,237 INFO L306 CDTParser]: Found 1 translation units. [2022-03-02 06:54:07,237 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i [2022-03-02 06:54:07,257 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19a39a661/da3f0033728546f3afae78595f7df8a0/FLAG006634369 [2022-03-02 06:54:07,623 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19a39a661/da3f0033728546f3afae78595f7df8a0 [2022-03-02 06:54:07,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 06:54:07,625 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-02 06:54:07,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-02 06:54:07,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-02 06:54:07,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-02 06:54:07,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.03 06:54:07" (1/1) ... [2022-03-02 06:54:07,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10568ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:54:07, skipping insertion in model container [2022-03-02 06:54:07,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.03 06:54:07" (1/1) ... [2022-03-02 06:54:07,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-02 06:54:07,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-02 06:54:07,797 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_18-first-reads_unknown_1_neg.i[1097,1110] [2022-03-02 06:54:07,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-02 06:54:07,906 INFO L203 MainTranslator]: Completed pre-run [2022-03-02 06:54:07,917 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/13-privatized_18-first-reads_unknown_1_neg.i[1097,1110] [2022-03-02 06:54:07,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-02 06:54:07,973 INFO L208 MainTranslator]: Completed translation [2022-03-02 06:54:07,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:54:07 WrapperNode [2022-03-02 06:54:07,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-02 06:54:07,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 06:54:07,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 06:54:07,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 06:54:07,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:54:07" (1/1) ... [2022-03-02 06:54:08,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:54:07" (1/1) ... [2022-03-02 06:54:08,022 INFO L137 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-03-02 06:54:08,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 06:54:08,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 06:54:08,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 06:54:08,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 06:54:08,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:54:07" (1/1) ... [2022-03-02 06:54:08,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:54:07" (1/1) ... [2022-03-02 06:54:08,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:54:07" (1/1) ... [2022-03-02 06:54:08,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:54:07" (1/1) ... [2022-03-02 06:54:08,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:54:07" (1/1) ... [2022-03-02 06:54:08,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:54:07" (1/1) ... [2022-03-02 06:54:08,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:54:07" (1/1) ... [2022-03-02 06:54:08,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 06:54:08,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 06:54:08,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 06:54:08,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 06:54:08,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:54:07" (1/1) ... [2022-03-02 06:54:08,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 06:54:08,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 06:54:08,081 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) [2022-03-02 06:54:08,089 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 [2022-03-02 06:54:08,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-02 06:54:08,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-02 06:54:08,119 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-02 06:54:08,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-02 06:54:08,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-02 06:54:08,119 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-02 06:54:08,121 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-02 06:54:08,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-02 06:54:08,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-02 06:54:08,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 06:54:08,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 06:54:08,123 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 06:54:08,230 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 06:54:08,231 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 06:54:08,347 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 06:54:08,351 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 06:54:08,351 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 06:54:08,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 06:54:08 BoogieIcfgContainer [2022-03-02 06:54:08,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 06:54:08,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 06:54:08,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 06:54:08,357 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 06:54:08,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.03 06:54:07" (1/3) ... [2022-03-02 06:54:08,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6abc7748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 06:54:08, skipping insertion in model container [2022-03-02 06:54:08,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:54:07" (2/3) ... [2022-03-02 06:54:08,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6abc7748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 06:54:08, skipping insertion in model container [2022-03-02 06:54:08,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 06:54:08" (3/3) ... [2022-03-02 06:54:08,358 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_1_neg.i [2022-03-02 06:54:08,362 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 06:54:08,362 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 06:54:08,362 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 06:54:08,362 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 06:54:08,390 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,390 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,390 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,390 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,390 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,391 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,391 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,391 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,391 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,391 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,392 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,392 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,392 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,392 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,392 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,392 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,393 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,393 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,393 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,393 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,393 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,393 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,393 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,394 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,394 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,394 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,394 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,394 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,395 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,395 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,395 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,395 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,395 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,395 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,395 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,395 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,395 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,396 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,396 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,396 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,396 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,396 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,397 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,397 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,403 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,404 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,404 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,404 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,404 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,404 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,404 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,405 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,405 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:08,410 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-02 06:54:08,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 06:54:08,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 06:54:08,450 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) [2022-03-02 06:54:08,451 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 [2022-03-02 06:54:08,476 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 06:54:08,481 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 [2022-03-02 06:54:08,482 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-02 06:54:08,551 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 53 transitions and produced 54 states. [2022-03-02 06:54:08,553 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-02 06:54:08,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 06:54:08,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1940237584, now seen corresponding path program 1 times [2022-03-02 06:54:08,567 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 06:54:08,567 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210148034] [2022-03-02 06:54:08,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 06:54:08,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 06:54:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 06:54:08,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 06:54:08,786 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 06:54:08,786 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210148034] [2022-03-02 06:54:08,787 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210148034] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 06:54:08,787 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 06:54:08,787 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-02 06:54:08,788 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584877471] [2022-03-02 06:54:08,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 06:54:08,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-02 06:54:08,793 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 06:54:08,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-02 06:54:08,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-02 06:54:08,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:54:08,817 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 06:54:08,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2022-03-02 06:54:08,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:54:08,878 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 59 transitions and produced 60 states. [2022-03-02 06:54:08,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-02 06:54:08,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-02 06:54:08,879 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-02 06:54:08,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 06:54:08,879 INFO L85 PathProgramCache]: Analyzing trace with hash -741197526, now seen corresponding path program 1 times [2022-03-02 06:54:08,879 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 06:54:08,880 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772375865] [2022-03-02 06:54:08,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 06:54:08,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 06:54:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-02 06:54:08,926 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-02 06:54:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-02 06:54:08,961 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-02 06:54:08,961 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-02 06:54:08,962 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-03-02 06:54:08,963 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-02 06:54:08,963 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-03-02 06:54:08,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-02 06:54:08,968 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-03-02 06:54:08,971 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 06:54:08,971 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 06:54:08,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 06:54:08 BasicIcfg [2022-03-02 06:54:08,996 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 06:54:08,997 INFO L158 Benchmark]: Toolchain (without parser) took 1371.54ms. Allocated memory was 187.7MB in the beginning and 246.4MB in the end (delta: 58.7MB). Free memory was 129.1MB in the beginning and 142.8MB in the end (delta: -13.7MB). Peak memory consumption was 44.1MB. Max. memory is 8.0GB. [2022-03-02 06:54:08,997 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 187.7MB. Free memory is still 147.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 06:54:08,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.07ms. Allocated memory was 187.7MB in the beginning and 246.4MB in the end (delta: 58.7MB). Free memory was 129.0MB in the beginning and 208.3MB in the end (delta: -79.3MB). Peak memory consumption was 12.8MB. Max. memory is 8.0GB. [2022-03-02 06:54:08,998 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.32ms. Allocated memory is still 246.4MB. Free memory was 208.3MB in the beginning and 206.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-02 06:54:08,998 INFO L158 Benchmark]: Boogie Preprocessor took 31.14ms. Allocated memory is still 246.4MB. Free memory was 206.2MB in the beginning and 205.2MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 06:54:08,999 INFO L158 Benchmark]: RCFGBuilder took 298.24ms. Allocated memory is still 246.4MB. Free memory was 205.2MB in the beginning and 192.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-02 06:54:08,999 INFO L158 Benchmark]: TraceAbstraction took 642.67ms. Allocated memory is still 246.4MB. Free memory was 192.1MB in the beginning and 142.8MB in the end (delta: 49.3MB). Peak memory consumption was 49.3MB. Max. memory is 8.0GB. [2022-03-02 06:54:09,015 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 187.7MB. Free memory is still 147.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 348.07ms. Allocated memory was 187.7MB in the beginning and 246.4MB in the end (delta: 58.7MB). Free memory was 129.0MB in the beginning and 208.3MB in the end (delta: -79.3MB). Peak memory consumption was 12.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.32ms. Allocated memory is still 246.4MB. Free memory was 208.3MB in the beginning and 206.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.14ms. Allocated memory is still 246.4MB. Free memory was 206.2MB in the beginning and 205.2MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 298.24ms. Allocated memory is still 246.4MB. Free memory was 205.2MB in the beginning and 192.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 642.67ms. Allocated memory is still 246.4MB. Free memory was 192.1MB in the beginning and 142.8MB in the end (delta: 49.3MB). Peak memory consumption was 49.3MB. 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 glob1 = 0; VAL [glob1=0] [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L697] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}] [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id={5:0}, mutex1={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L701] 0 \read(id) VAL [\read(id)=-1, glob1=0, id={5:0}, mutex1={3:0}] [L685] 1 int t = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L687] COND FALSE 1 !(t == 42) VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L690] 1 t = glob1 VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L691] CALL 1 __VERIFIER_assert(!(t == 0)) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond=0, glob1=0, mutex1={3:0}] [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, glob1=0, mutex1={3:0}] - UnprovableResult [Line: 698]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 87 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, 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=0occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0.1s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2022-03-02 06:54:09,035 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-03-02 06:54:09,248 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...