/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_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 16:15:26,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 16:15:26,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 16:15:26,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 16:15:26,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 16:15:26,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 16:15:26,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 16:15:26,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 16:15:26,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 16:15:26,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 16:15:26,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 16:15:26,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 16:15:26,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 16:15:26,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 16:15:26,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 16:15:26,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 16:15:26,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 16:15:26,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 16:15:26,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 16:15:26,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 16:15:26,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 16:15:26,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 16:15:26,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 16:15:26,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 16:15:26,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-16 16:15:26,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-16 16:15:26,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-16 16:15:26,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-16 16:15:26,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-16 16:15:26,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-16 16:15:26,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-16 16:15:26,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-16 16:15:26,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-16 16:15:26,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-16 16:15:26,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-16 16:15:26,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-16 16:15:26,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-16 16:15:26,960 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-16 16:15:26,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 16:15:26,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 16:15:26,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 16:15:26,962 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 [2022-03-16 16:15:26,991 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 16:15:26,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 16:15:26,992 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 16:15:26,992 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 16:15:26,993 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 16:15:26,993 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 16:15:26,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 16:15:26,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 16:15:26,994 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 16:15:26,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 16:15:26,994 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 16:15:26,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 16:15:26,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 16:15:26,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 16:15:26,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 16:15:26,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 16:15:26,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 16:15:26,997 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 16:15:26,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 16:15:26,998 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 16:15:26,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 16:15:26,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 16:15:26,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 16:15:26,998 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 16:15:26,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 16:15:27,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 16:15:27,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 16:15:27,000 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 16:15:27,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 16:15:27,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 16:15:27,001 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 16:15:27,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 16:15:27,001 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 16:15:27,001 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 16:15:27,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 16:15:27,002 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-16 16:15:27,002 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 16:15:27,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 16:15:27,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 16:15:27,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 16:15:27,291 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-16 16:15:27,291 INFO L275 PluginConnector]: CDTParser initialized [2022-03-16 16:15:27,292 INFO L432 ainManager$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_pos.i [2022-03-16 16:15:27,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7fd3d493/29aacd371aa14072a419443580c7124c/FLAGa64b8dd12 [2022-03-16 16:15:27,861 INFO L306 CDTParser]: Found 1 translation units. [2022-03-16 16:15:27,862 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i [2022-03-16 16:15:27,880 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7fd3d493/29aacd371aa14072a419443580c7124c/FLAGa64b8dd12 [2022-03-16 16:15:28,342 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7fd3d493/29aacd371aa14072a419443580c7124c [2022-03-16 16:15:28,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 16:15:28,350 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-16 16:15:28,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-16 16:15:28,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-16 16:15:28,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-16 16:15:28,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:15:28" (1/1) ... [2022-03-16 16:15:28,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec5f91b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:28, skipping insertion in model container [2022-03-16 16:15:28,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:15:28" (1/1) ... [2022-03-16 16:15:28,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-16 16:15:28,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-16 16:15:28,563 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_pos.i[1097,1110] [2022-03-16 16:15:28,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 16:15:28,693 INFO L203 MainTranslator]: Completed pre-run [2022-03-16 16:15:28,710 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_pos.i[1097,1110] [2022-03-16 16:15:28,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 16:15:28,771 INFO L208 MainTranslator]: Completed translation [2022-03-16 16:15:28,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:28 WrapperNode [2022-03-16 16:15:28,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-16 16:15:28,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 16:15:28,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 16:15:28,773 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 16:15:28,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:28" (1/1) ... [2022-03-16 16:15:28,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:28" (1/1) ... [2022-03-16 16:15:28,819 INFO L137 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-03-16 16:15:28,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 16:15:28,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 16:15:28,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 16:15:28,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 16:15:28,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:28" (1/1) ... [2022-03-16 16:15:28,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:28" (1/1) ... [2022-03-16 16:15:28,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:28" (1/1) ... [2022-03-16 16:15:28,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:28" (1/1) ... [2022-03-16 16:15:28,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:28" (1/1) ... [2022-03-16 16:15:28,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:28" (1/1) ... [2022-03-16 16:15:28,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:28" (1/1) ... [2022-03-16 16:15:28,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 16:15:28,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 16:15:28,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 16:15:28,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 16:15:28,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:28" (1/1) ... [2022-03-16 16:15:28,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 16:15:28,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 16:15:28,901 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) [2022-03-16 16:15:28,928 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 [2022-03-16 16:15:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-16 16:15:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-16 16:15:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-16 16:15:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-16 16:15:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-16 16:15:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-16 16:15:28,951 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-16 16:15:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-16 16:15:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-16 16:15:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 16:15:28,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 16:15:28,953 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 16:15:29,089 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 16:15:29,091 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 16:15:29,206 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 16:15:29,211 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 16:15:29,211 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 16:15:29,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 04:15:29 BoogieIcfgContainer [2022-03-16 16:15:29,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 16:15:29,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 16:15:29,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 16:15:29,218 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 16:15:29,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 04:15:28" (1/3) ... [2022-03-16 16:15:29,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca57156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 04:15:29, skipping insertion in model container [2022-03-16 16:15:29,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:28" (2/3) ... [2022-03-16 16:15:29,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca57156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 04:15:29, skipping insertion in model container [2022-03-16 16:15:29,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 04:15:29" (3/3) ... [2022-03-16 16:15:29,220 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_1_pos.i [2022-03-16 16:15:29,224 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 16:15:29,224 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 16:15:29,224 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 16:15:29,225 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 16:15:29,250 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,250 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,250 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,250 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,251 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,251 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,251 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,251 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,251 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,252 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,252 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,253 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,253 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,253 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,253 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,253 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,253 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,254 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,254 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,254 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,254 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,256 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,256 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,256 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,256 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,256 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,256 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,258 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,258 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,258 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,258 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,259 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,259 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,259 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,262 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,262 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,262 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,262 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,263 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,263 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,264 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,264 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,264 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:29,269 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-16 16:15:29,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 16:15:29,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 16:15:29,305 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) [2022-03-16 16:15:29,306 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 [2022-03-16 16:15:29,337 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 16:15:29,342 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 [2022-03-16 16:15:29,342 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-16 16:15:29,610 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 53 transitions and produced 54 states. [2022-03-16 16:15:29,612 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-16 16:15:29,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 16:15:29,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1940237584, now seen corresponding path program 1 times [2022-03-16 16:15:29,633 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 16:15:29,634 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568969757] [2022-03-16 16:15:29,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 16:15:29,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 16:15:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 16:15:29,802 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-16 16:15:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 16:15:29,883 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-16 16:15:29,885 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-16 16:15:29,886 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-03-16 16:15:29,888 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-16 16:15:29,888 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-03-16 16:15:29,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 16:15:29,897 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-03-16 16:15:29,900 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 16:15:29,901 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 16:15:29,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 04:15:29 BasicIcfg [2022-03-16 16:15:29,949 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 16:15:29,950 INFO L158 Benchmark]: Toolchain (without parser) took 1600.15ms. Allocated memory was 174.1MB in the beginning and 263.2MB in the end (delta: 89.1MB). Free memory was 116.5MB in the beginning and 109.0MB in the end (delta: 7.5MB). Peak memory consumption was 97.0MB. Max. memory is 8.0GB. [2022-03-16 16:15:29,950 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 174.1MB. Free memory is still 134.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 16:15:29,950 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.59ms. Allocated memory was 174.1MB in the beginning and 263.2MB in the end (delta: 89.1MB). Free memory was 116.2MB in the beginning and 226.5MB in the end (delta: -110.2MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. [2022-03-16 16:15:29,951 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.76ms. Allocated memory is still 263.2MB. Free memory was 226.5MB in the beginning and 224.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-16 16:15:29,951 INFO L158 Benchmark]: Boogie Preprocessor took 29.61ms. Allocated memory is still 263.2MB. Free memory was 224.4MB in the beginning and 223.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 16:15:29,952 INFO L158 Benchmark]: RCFGBuilder took 362.36ms. Allocated memory is still 263.2MB. Free memory was 222.8MB in the beginning and 211.3MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-16 16:15:29,952 INFO L158 Benchmark]: TraceAbstraction took 734.33ms. Allocated memory is still 263.2MB. Free memory was 210.7MB in the beginning and 109.0MB in the end (delta: 101.7MB). Peak memory consumption was 101.7MB. Max. memory is 8.0GB. [2022-03-16 16:15:29,955 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 174.1MB. Free memory is still 134.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 420.59ms. Allocated memory was 174.1MB in the beginning and 263.2MB in the end (delta: 89.1MB). Free memory was 116.2MB in the beginning and 226.5MB in the end (delta: -110.2MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.76ms. Allocated memory is still 263.2MB. Free memory was 226.5MB in the beginning and 224.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.61ms. Allocated memory is still 263.2MB. Free memory was 224.4MB in the beginning and 223.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 362.36ms. Allocated memory is still 263.2MB. Free memory was 222.8MB in the beginning and 211.3MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 734.33ms. Allocated memory is still 263.2MB. Free memory was 210.7MB in the beginning and 109.0MB in the end (delta: 101.7MB). Peak memory consumption was 101.7MB. 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()=42, arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=42] [L687] COND TRUE 1 t == 42 VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=42] [L688] 1 glob1 = 1 VAL [arg={0:0}, arg={0:0}, glob1=1, mutex1={3:0}, t=42] [L690] 1 t = glob1 VAL [arg={0:0}, arg={0:0}, glob1=1, mutex1={3:0}, t=1] [L691] CALL 1 __VERIFIER_assert(t == 0) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond=0, glob1=1, mutex1={3:0}] [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, glob1=1, 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.3s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 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! [2022-03-16 16:15:29,991 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 [2022-03-16 16:15:30,205 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...