/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/bench-exp1x3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 01:38:24,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 01:38:24,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 01:38:24,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 01:38:24,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 01:38:24,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 01:38:24,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 01:38:24,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 01:38:24,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 01:38:24,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 01:38:24,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 01:38:24,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 01:38:24,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 01:38:24,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 01:38:24,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 01:38:24,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 01:38:24,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 01:38:24,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 01:38:24,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 01:38:24,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 01:38:24,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 01:38:24,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 01:38:24,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 01:38:24,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 01:38:24,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 01:38:24,827 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 01:38:24,827 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 01:38:24,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 01:38:24,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 01:38:24,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 01:38:24,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 01:38:24,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 01:38:24,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 01:38:24,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 01:38:24,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 01:38:24,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 01:38:24,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 01:38:24,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 01:38:24,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 01:38:24,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 01:38:24,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 01:38:24,834 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 01:38:24,861 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 01:38:24,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 01:38:24,861 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 01:38:24,861 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 01:38:24,862 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 01:38:24,862 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 01:38:24,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 01:38:24,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 01:38:24,863 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 01:38:24,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 01:38:24,863 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 01:38:24,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 01:38:24,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 01:38:24,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 01:38:24,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 01:38:24,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 01:38:24,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 01:38:24,864 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 01:38:24,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 01:38:24,864 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 01:38:24,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 01:38:24,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 01:38:24,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 01:38:24,864 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 01:38:24,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 01:38:24,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 01:38:24,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 01:38:24,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 01:38:24,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 01:38:24,866 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 01:38:24,866 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 01:38:24,866 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 01:38:24,866 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 01:38:24,866 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 01:38:24,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 01:38:24,866 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 01:38:24,866 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-20 01:38:25,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 01:38:25,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 01:38:25,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 01:38:25,116 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 01:38:25,117 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 01:38:25,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp1x3.wvr.c [2023-05-20 01:38:25,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d74ba5e0c/1172a8460b4b442d9cf5b65aa3a07d76/FLAG83f0a303e [2023-05-20 01:38:25,519 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 01:38:25,520 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp1x3.wvr.c [2023-05-20 01:38:25,524 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d74ba5e0c/1172a8460b4b442d9cf5b65aa3a07d76/FLAG83f0a303e [2023-05-20 01:38:25,535 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d74ba5e0c/1172a8460b4b442d9cf5b65aa3a07d76 [2023-05-20 01:38:25,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 01:38:25,542 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 01:38:25,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 01:38:25,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 01:38:25,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 01:38:25,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 01:38:25" (1/1) ... [2023-05-20 01:38:25,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b7850d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:38:25, skipping insertion in model container [2023-05-20 01:38:25,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 01:38:25" (1/1) ... [2023-05-20 01:38:25,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 01:38:25,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 01:38:25,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp1x3.wvr.c[1849,1862] [2023-05-20 01:38:25,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 01:38:25,728 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 01:38:25,740 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp1x3.wvr.c[1849,1862] [2023-05-20 01:38:25,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 01:38:25,750 INFO L208 MainTranslator]: Completed translation [2023-05-20 01:38:25,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:38:25 WrapperNode [2023-05-20 01:38:25,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 01:38:25,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 01:38:25,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 01:38:25,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 01:38:25,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:38:25" (1/1) ... [2023-05-20 01:38:25,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:38:25" (1/1) ... [2023-05-20 01:38:25,772 INFO L138 Inliner]: procedures = 18, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2023-05-20 01:38:25,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 01:38:25,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 01:38:25,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 01:38:25,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 01:38:25,787 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:38:25" (1/1) ... [2023-05-20 01:38:25,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:38:25" (1/1) ... [2023-05-20 01:38:25,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:38:25" (1/1) ... [2023-05-20 01:38:25,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:38:25" (1/1) ... [2023-05-20 01:38:25,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:38:25" (1/1) ... [2023-05-20 01:38:25,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:38:25" (1/1) ... [2023-05-20 01:38:25,809 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:38:25" (1/1) ... [2023-05-20 01:38:25,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:38:25" (1/1) ... [2023-05-20 01:38:25,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 01:38:25,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 01:38:25,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 01:38:25,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 01:38:25,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:38:25" (1/1) ... [2023-05-20 01:38:25,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 01:38:25,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 01:38:25,867 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) [2023-05-20 01:38:25,871 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 [2023-05-20 01:38:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 01:38:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 01:38:25,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 01:38:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 01:38:25,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 01:38:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 01:38:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 01:38:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 01:38:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 01:38:25,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 01:38:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 01:38:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 01:38:25,897 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 01:38:25,953 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 01:38:25,955 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 01:38:26,069 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 01:38:26,074 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 01:38:26,075 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-20 01:38:26,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 01:38:26 BoogieIcfgContainer [2023-05-20 01:38:26,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 01:38:26,078 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 01:38:26,078 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 01:38:26,081 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 01:38:26,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 01:38:25" (1/3) ... [2023-05-20 01:38:26,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e58051b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 01:38:26, skipping insertion in model container [2023-05-20 01:38:26,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:38:25" (2/3) ... [2023-05-20 01:38:26,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e58051b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 01:38:26, skipping insertion in model container [2023-05-20 01:38:26,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 01:38:26" (3/3) ... [2023-05-20 01:38:26,083 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp1x3.wvr.c [2023-05-20 01:38:26,089 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 01:38:26,096 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 01:38:26,097 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 01:38:26,097 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 01:38:26,162 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-20 01:38:26,201 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 01:38:26,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 01:38:26,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 01:38:26,203 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) [2023-05-20 01:38:26,215 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 [2023-05-20 01:38:26,239 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 01:38:26,299 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 01:38:26,311 INFO L357 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, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2c1e4ea5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 01:38:26,311 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-20 01:38:26,427 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 01:38:26,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 01:38:26,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1090452719, now seen corresponding path program 1 times [2023-05-20 01:38:26,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 01:38:26,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053050329] [2023-05-20 01:38:26,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 01:38:26,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 01:38:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 01:38:26,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 01:38:26,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 01:38:26,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053050329] [2023-05-20 01:38:26,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053050329] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 01:38:26,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 01:38:26,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 01:38:26,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896364112] [2023-05-20 01:38:26,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 01:38:26,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 01:38:26,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 01:38:26,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 01:38:26,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 01:38:26,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 01:38:26,634 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 01:38:26,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 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) [2023-05-20 01:38:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 01:38:26,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 01:38:26,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 01:38:26,654 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 01:38:26,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 01:38:26,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1923742538, now seen corresponding path program 1 times [2023-05-20 01:38:26,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 01:38:26,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668424987] [2023-05-20 01:38:26,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 01:38:26,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 01:38:26,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 01:38:27,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 01:38:27,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 01:38:27,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668424987] [2023-05-20 01:38:27,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668424987] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 01:38:27,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 01:38:27,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-20 01:38:27,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138687777] [2023-05-20 01:38:27,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 01:38:27,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 01:38:27,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 01:38:27,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 01:38:27,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-05-20 01:38:27,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 01:38:27,136 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 01:38:27,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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) [2023-05-20 01:38:27,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 01:38:27,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 01:38:27,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 01:38:27,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 01:38:27,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 01:38:27,297 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 01:38:27,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 01:38:27,298 INFO L85 PathProgramCache]: Analyzing trace with hash -507763916, now seen corresponding path program 1 times [2023-05-20 01:38:27,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 01:38:27,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235240591] [2023-05-20 01:38:27,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 01:38:27,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 01:38:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 01:38:27,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 01:38:27,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 01:38:27,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235240591] [2023-05-20 01:38:27,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235240591] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 01:38:27,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 01:38:27,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 01:38:27,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529235493] [2023-05-20 01:38:27,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 01:38:27,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 01:38:27,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 01:38:27,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 01:38:27,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-05-20 01:38:27,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 01:38:27,456 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 01:38:27,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 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) [2023-05-20 01:38:27,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 01:38:27,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 01:38:27,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 01:38:27,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 01:38:27,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 01:38:27,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 01:38:27,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 01:38:27,655 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 01:38:27,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 01:38:27,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1662832830, now seen corresponding path program 1 times [2023-05-20 01:38:27,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 01:38:27,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497670219] [2023-05-20 01:38:27,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 01:38:27,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 01:38:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 01:38:27,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 01:38:27,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 01:38:27,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497670219] [2023-05-20 01:38:27,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497670219] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 01:38:27,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235672359] [2023-05-20 01:38:27,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 01:38:27,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 01:38:27,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 01:38:27,817 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 01:38:27,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 01:38:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 01:38:27,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 7 conjunts are in the unsatisfiable core [2023-05-20 01:38:27,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 01:38:28,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 01:38:28,164 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 01:38:28,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 01:38:28,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [235672359] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 01:38:28,261 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 01:38:28,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2023-05-20 01:38:28,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639231173] [2023-05-20 01:38:28,261 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 01:38:28,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-20 01:38:28,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 01:38:28,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-20 01:38:28,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-05-20 01:38:28,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 01:38:28,263 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 01:38:28,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 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) [2023-05-20 01:38:28,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 01:38:28,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 01:38:28,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 01:38:28,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 01:38:28,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 01:38:28,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 01:38:28,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 01:38:28,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 01:38:28,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-20 01:38:28,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-05-20 01:38:28,710 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 01:38:28,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 01:38:28,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1118362304, now seen corresponding path program 1 times [2023-05-20 01:38:28,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 01:38:28,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322295437] [2023-05-20 01:38:28,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 01:38:28,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 01:38:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 01:38:29,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 01:38:29,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 01:38:29,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322295437] [2023-05-20 01:38:29,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322295437] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 01:38:29,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196017590] [2023-05-20 01:38:29,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 01:38:29,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 01:38:29,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 01:38:29,202 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 01:38:29,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 01:38:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 01:38:29,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 19 conjunts are in the unsatisfiable core [2023-05-20 01:38:29,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 01:38:42,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 01:38:42,936 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 01:38:51,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 01:38:51,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [196017590] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 01:38:51,174 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 01:38:51,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 26 [2023-05-20 01:38:51,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719033961] [2023-05-20 01:38:51,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 01:38:51,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-05-20 01:38:51,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 01:38:51,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-05-20 01:38:51,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=504, Unknown=4, NotChecked=0, Total=650 [2023-05-20 01:38:51,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 01:38:51,176 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 01:38:51,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.730769230769231) internal successors, (123), 26 states have internal predecessors, (123), 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) [2023-05-20 01:38:51,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 01:38:51,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 01:38:51,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 01:38:51,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 01:38:51,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 01:39:06,455 WARN L233 SmtUtils]: Spent 7.34s on a formula simplification. DAG size of input: 45 DAG size of output: 34 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 01:39:10,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 01:39:12,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 01:39:14,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 01:39:16,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 01:39:17,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 01:39:19,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-05-20 01:39:21,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 01:39:36,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 01:39:36,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 01:39:36,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 01:39:36,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 01:39:36,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 01:39:36,962 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-20 01:39:37,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 01:39:37,158 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 01:39:37,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 01:39:37,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1289951298, now seen corresponding path program 2 times [2023-05-20 01:39:37,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 01:39:37,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170930207] [2023-05-20 01:39:37,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 01:39:37,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 01:39:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 01:41:35,912 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 01:41:35,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 01:41:35,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170930207] [2023-05-20 01:41:35,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170930207] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 01:41:35,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423693987] [2023-05-20 01:41:35,912 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 01:41:35,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 01:41:35,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 01:41:35,916 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 01:41:35,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process Received shutdown request... [2023-05-20 01:53:05,268 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 01:53:05,278 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 01:53:05,285 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 01:53:06,295 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 [2023-05-20 01:53:06,299 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 [2023-05-20 01:53:06,469 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forcibly destroying the process [2023-05-20 01:53:06,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 137 [2023-05-20 01:53:06,489 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-05-20 01:53:06,489 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-05-20 01:53:06,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2023-05-20 01:53:06,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766454723] [2023-05-20 01:53:06,490 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-05-20 01:53:06,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-05-20 01:53:06,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 01:53:06,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-05-20 01:53:06,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2023-05-20 01:53:06,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 01:53:06,490 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 01:53:06,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.533333333333333) internal successors, (68), 15 states have internal predecessors, (68), 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) [2023-05-20 01:53:06,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 01:53:06,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 01:53:06,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 01:53:06,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 01:53:06,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 01:53:06,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 01:53:06,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-20 01:53:06,491 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2023-05-20 01:53:06,493 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-20 01:53:06,493 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-20 01:53:06,493 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-20 01:53:06,496 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2023-05-20 01:53:06,501 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 01:53:06,501 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 01:53:06,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 01:53:06 BasicIcfg [2023-05-20 01:53:06,503 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 01:53:06,505 INFO L158 Benchmark]: Toolchain (without parser) took 880961.53ms. Allocated memory was 201.3MB in the beginning and 735.1MB in the end (delta: 533.7MB). Free memory was 142.9MB in the beginning and 330.8MB in the end (delta: -187.9MB). Peak memory consumption was 346.0MB. Max. memory is 8.0GB. [2023-05-20 01:53:06,505 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 201.3MB. Free memory is still 159.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 01:53:06,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.62ms. Allocated memory was 201.3MB in the beginning and 289.4MB in the end (delta: 88.1MB). Free memory was 142.6MB in the beginning and 258.3MB in the end (delta: -115.6MB). Peak memory consumption was 7.6MB. Max. memory is 8.0GB. [2023-05-20 01:53:06,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.33ms. Allocated memory is still 289.4MB. Free memory was 257.7MB in the beginning and 256.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 01:53:06,506 INFO L158 Benchmark]: Boogie Preprocessor took 38.06ms. Allocated memory is still 289.4MB. Free memory was 256.2MB in the beginning and 255.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-20 01:53:06,508 INFO L158 Benchmark]: RCFGBuilder took 264.75ms. Allocated memory is still 289.4MB. Free memory was 255.1MB in the beginning and 242.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-05-20 01:53:06,511 INFO L158 Benchmark]: TraceAbstraction took 880425.41ms. Allocated memory was 289.4MB in the beginning and 735.1MB in the end (delta: 445.6MB). Free memory was 241.5MB in the beginning and 330.8MB in the end (delta: -89.3MB). Peak memory consumption was 357.3MB. Max. memory is 8.0GB. [2023-05-20 01:53:06,521 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 201.3MB. Free memory is still 159.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 200.62ms. Allocated memory was 201.3MB in the beginning and 289.4MB in the end (delta: 88.1MB). Free memory was 142.6MB in the beginning and 258.3MB in the end (delta: -115.6MB). Peak memory consumption was 7.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.33ms. Allocated memory is still 289.4MB. Free memory was 257.7MB in the beginning and 256.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.06ms. Allocated memory is still 289.4MB. Free memory was 256.2MB in the beginning and 255.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 264.75ms. Allocated memory is still 289.4MB. Free memory was 255.1MB in the beginning and 242.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 880425.41ms. Allocated memory was 289.4MB in the beginning and 735.1MB in the end (delta: 445.6MB). Free memory was 241.5MB in the beginning and 330.8MB in the end (delta: -89.3MB). Peak memory consumption was 357.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 878, independent: 712, independent conditional: 283, independent unconditional: 429, dependent: 166, dependent conditional: 162, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 716, independent: 712, independent conditional: 283, independent unconditional: 429, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 716, independent: 712, independent conditional: 283, independent unconditional: 429, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 716, independent: 712, independent conditional: 0, independent unconditional: 712, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 716, independent: 712, independent conditional: 0, independent unconditional: 712, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 716, independent: 712, independent conditional: 0, independent unconditional: 712, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 419, independent: 415, independent conditional: 0, independent unconditional: 415, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 419, independent: 415, independent conditional: 0, independent unconditional: 415, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 716, independent: 297, independent conditional: 0, independent unconditional: 297, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 419, unknown conditional: 0, unknown unconditional: 419] , Statistics on independence cache: Total cache size (in pairs): 419, Positive cache size: 415, Positive conditional cache size: 0, Positive unconditional cache size: 415, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 162 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 106, Number of trivial persistent sets: 92, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 433, independent: 429, independent conditional: 0, independent unconditional: 429, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 878, independent: 712, independent conditional: 283, independent unconditional: 429, dependent: 166, dependent conditional: 162, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 716, independent: 712, independent conditional: 283, independent unconditional: 429, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 716, independent: 712, independent conditional: 283, independent unconditional: 429, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 716, independent: 712, independent conditional: 0, independent unconditional: 712, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 716, independent: 712, independent conditional: 0, independent unconditional: 712, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 716, independent: 712, independent conditional: 0, independent unconditional: 712, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 419, independent: 415, independent conditional: 0, independent unconditional: 415, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 419, independent: 415, independent conditional: 0, independent unconditional: 415, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 716, independent: 297, independent conditional: 0, independent unconditional: 297, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 419, unknown conditional: 0, unknown unconditional: 419] , Statistics on independence cache: Total cache size (in pairs): 419, Positive cache size: 415, Positive conditional cache size: 0, Positive unconditional cache size: 415, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 162 - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 88 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 880.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 46.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 59, 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, 0.4s SatisfiabilityAnalysisTime, 141.9s InterpolantComputationTime, 502 NumberOfCodeBlocks, 502 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 618 ConstructedInterpolants, 0 QuantifiedInterpolants, 8817 SizeOfPredicates, 15 NumberOfNonLiveVariables, 289 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 1/18 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 could not prove your program: Timeout Completed graceful shutdown