/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/popl20-more-queue-add-3-nl.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 02:50:22,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 02:50:22,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 02:50:22,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 02:50:22,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 02:50:22,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 02:50:22,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 02:50:22,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 02:50:22,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 02:50:22,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 02:50:22,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 02:50:22,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 02:50:22,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 02:50:22,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 02:50:22,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 02:50:22,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 02:50:22,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 02:50:22,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 02:50:22,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 02:50:22,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 02:50:22,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 02:50:22,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 02:50:22,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 02:50:22,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 02:50:22,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 02:50:22,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 02:50:22,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 02:50:22,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 02:50:22,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 02:50:22,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 02:50:22,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 02:50:22,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 02:50:22,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 02:50:22,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 02:50:22,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 02:50:22,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 02:50:22,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 02:50:22,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 02:50:22,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 02:50:22,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 02:50:22,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 02:50:22,942 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 02:50:22,980 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 02:50:22,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 02:50:22,981 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 02:50:22,981 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 02:50:22,982 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 02:50:22,982 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 02:50:22,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 02:50:22,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 02:50:22,982 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 02:50:22,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 02:50:22,983 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 02:50:22,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 02:50:22,984 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 02:50:22,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 02:50:22,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 02:50:22,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 02:50:22,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 02:50:22,984 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 02:50:22,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 02:50:22,984 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 02:50:22,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 02:50:22,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 02:50:22,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 02:50:22,986 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 02:50:22,986 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 02:50:22,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 02:50:22,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 02:50:22,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 02:50:22,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 02:50:22,987 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 02:50:22,987 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 02:50:22,987 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 02:50:22,987 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 02:50:22,987 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 02:50:22,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 02:50:22,987 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 02:50:22,987 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-20 02:50:23,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 02:50:23,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 02:50:23,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 02:50:23,201 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 02:50:23,202 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 02:50:23,203 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c [2023-05-20 02:50:23,250 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15d63d57b/423394fca6714f1ca3092695d4f7e409/FLAG301e49825 [2023-05-20 02:50:23,643 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 02:50:23,644 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c [2023-05-20 02:50:23,651 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15d63d57b/423394fca6714f1ca3092695d4f7e409/FLAG301e49825 [2023-05-20 02:50:23,662 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15d63d57b/423394fca6714f1ca3092695d4f7e409 [2023-05-20 02:50:23,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 02:50:23,667 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 02:50:23,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 02:50:23,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 02:50:23,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 02:50:23,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 02:50:23" (1/1) ... [2023-05-20 02:50:23,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@346db432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:23, skipping insertion in model container [2023-05-20 02:50:23,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 02:50:23" (1/1) ... [2023-05-20 02:50:23,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 02:50:23,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 02:50:23,906 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/popl20-more-queue-add-3-nl.wvr.c[3615,3628] [2023-05-20 02:50:23,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 02:50:23,923 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 02:50:23,949 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/popl20-more-queue-add-3-nl.wvr.c[3615,3628] [2023-05-20 02:50:23,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 02:50:23,966 INFO L208 MainTranslator]: Completed translation [2023-05-20 02:50:23,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:23 WrapperNode [2023-05-20 02:50:23,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 02:50:23,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 02:50:23,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 02:50:23,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 02:50:23,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:23" (1/1) ... [2023-05-20 02:50:23,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:23" (1/1) ... [2023-05-20 02:50:24,007 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 257 [2023-05-20 02:50:24,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 02:50:24,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 02:50:24,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 02:50:24,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 02:50:24,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:23" (1/1) ... [2023-05-20 02:50:24,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:23" (1/1) ... [2023-05-20 02:50:24,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:23" (1/1) ... [2023-05-20 02:50:24,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:23" (1/1) ... [2023-05-20 02:50:24,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:23" (1/1) ... [2023-05-20 02:50:24,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:23" (1/1) ... [2023-05-20 02:50:24,031 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:23" (1/1) ... [2023-05-20 02:50:24,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:23" (1/1) ... [2023-05-20 02:50:24,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 02:50:24,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 02:50:24,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 02:50:24,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 02:50:24,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:23" (1/1) ... [2023-05-20 02:50:24,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 02:50:24,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:50:24,075 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 02:50:24,077 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 02:50:24,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 02:50:24,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 02:50:24,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 02:50:24,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 02:50:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 02:50:24,099 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 02:50:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 02:50:24,099 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 02:50:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-20 02:50:24,099 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-20 02:50:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 02:50:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 02:50:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 02:50:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 02:50:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 02:50:24,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 02:50:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 02:50:24,100 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 02:50:24,169 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 02:50:24,170 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 02:50:24,504 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 02:50:24,620 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 02:50:24,620 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2023-05-20 02:50:24,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 02:50:24 BoogieIcfgContainer [2023-05-20 02:50:24,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 02:50:24,624 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 02:50:24,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 02:50:24,627 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 02:50:24,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 02:50:23" (1/3) ... [2023-05-20 02:50:24,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348fcaee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 02:50:24, skipping insertion in model container [2023-05-20 02:50:24,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:23" (2/3) ... [2023-05-20 02:50:24,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348fcaee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 02:50:24, skipping insertion in model container [2023-05-20 02:50:24,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 02:50:24" (3/3) ... [2023-05-20 02:50:24,629 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-queue-add-3-nl.wvr.c [2023-05-20 02:50:24,634 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 02:50:24,640 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 02:50:24,640 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 02:50:24,640 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 02:50:24,709 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-20 02:50:24,747 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 02:50:24,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 02:50:24,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:50:24,756 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 02:50:24,775 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 02:50:24,788 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 02:50:24,803 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 02:50:24,808 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;@566f8c97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 02:50:24,808 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-20 02:50:25,057 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 02:50:25,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:50:25,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1716192307, now seen corresponding path program 1 times [2023-05-20 02:50:25,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:50:25,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486016247] [2023-05-20 02:50:25,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:50:25,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:50:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:50:25,338 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-20 02:50:25,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:50:25,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486016247] [2023-05-20 02:50:25,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486016247] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 02:50:25,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 02:50:25,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 02:50:25,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110104414] [2023-05-20 02:50:25,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 02:50:25,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 02:50:25,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:50:25,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 02:50:25,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 02:50:25,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:25,364 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:50:25,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 82.5) internal successors, (165), 2 states have internal predecessors, (165), 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 02:50:25,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:25,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:25,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 02:50:25,440 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 02:50:25,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:50:25,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1649094189, now seen corresponding path program 1 times [2023-05-20 02:50:25,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:50:25,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427683643] [2023-05-20 02:50:25,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:50:25,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:50:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:50:25,838 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 02:50:25,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:50:25,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427683643] [2023-05-20 02:50:25,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427683643] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 02:50:25,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 02:50:25,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 02:50:25,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220043178] [2023-05-20 02:50:25,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 02:50:25,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 02:50:25,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:50:25,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 02:50:25,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-20 02:50:25,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:25,841 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:50:25,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.333333333333332) internal successors, (176), 6 states have internal predecessors, (176), 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 02:50:25,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:25,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:25,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:25,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:50:25,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 02:50:25,965 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 02:50:25,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:50:25,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1473429174, now seen corresponding path program 1 times [2023-05-20 02:50:25,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:50:25,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923360211] [2023-05-20 02:50:25,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:50:25,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:50:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:50:26,219 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 02:50:26,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:50:26,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923360211] [2023-05-20 02:50:26,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923360211] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 02:50:26,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 02:50:26,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 02:50:26,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197597003] [2023-05-20 02:50:26,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 02:50:26,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 02:50:26,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:50:26,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 02:50:26,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-20 02:50:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:26,221 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:50:26,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.0) internal successors, (186), 6 states have internal predecessors, (186), 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 02:50:26,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:26,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:50:26,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:26,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:26,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:50:26,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:50:26,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 02:50:26,288 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 02:50:26,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:50:26,288 INFO L85 PathProgramCache]: Analyzing trace with hash 2015068261, now seen corresponding path program 1 times [2023-05-20 02:50:26,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:50:26,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446382259] [2023-05-20 02:50:26,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:50:26,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:50:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:50:26,590 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 02:50:26,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:50:26,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446382259] [2023-05-20 02:50:26,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446382259] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:50:26,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201228277] [2023-05-20 02:50:26,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:50:26,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:50:26,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:50:26,599 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 02:50:26,626 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 02:50:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:50:26,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-20 02:50:26,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:50:27,050 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 02:50:27,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:50:27,291 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 02:50:27,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201228277] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:50:27,291 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:50:27,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-05-20 02:50:27,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371879009] [2023-05-20 02:50:27,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:50:27,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-20 02:50:27,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:50:27,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-20 02:50:27,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-05-20 02:50:27,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:27,294 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:50:27,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 15.263157894736842) internal successors, (290), 19 states have internal predecessors, (290), 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 02:50:27,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:27,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:50:27,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:50:27,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:27,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:27,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:50:27,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:50:27,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:50:27,612 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 02:50:27,801 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 02:50:27,801 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 02:50:27,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:50:27,802 INFO L85 PathProgramCache]: Analyzing trace with hash 932375854, now seen corresponding path program 2 times [2023-05-20 02:50:27,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:50:27,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723149723] [2023-05-20 02:50:27,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:50:27,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:50:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:50:28,146 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 02:50:28,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:50:28,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723149723] [2023-05-20 02:50:28,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723149723] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:50:28,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808616489] [2023-05-20 02:50:28,148 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 02:50:28,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:50:28,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:50:28,159 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 02:50:28,165 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 02:50:28,295 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 02:50:28,295 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:50:28,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-20 02:50:28,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:50:28,643 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 02:50:28,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:50:28,964 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 02:50:28,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808616489] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:50:28,965 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:50:28,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2023-05-20 02:50:28,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037974552] [2023-05-20 02:50:28,965 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:50:28,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-05-20 02:50:28,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:50:28,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-05-20 02:50:28,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2023-05-20 02:50:28,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:28,967 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:50:28,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 12.0) internal successors, (336), 28 states have internal predecessors, (336), 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 02:50:28,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:28,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:50:28,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:50:28,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:50:28,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:29,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:29,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:50:29,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:50:29,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:50:29,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 02:50:29,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-20 02:50:29,479 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 02:50:29,480 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 02:50:29,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:50:29,480 INFO L85 PathProgramCache]: Analyzing trace with hash 49691717, now seen corresponding path program 3 times [2023-05-20 02:50:29,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:50:29,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511368481] [2023-05-20 02:50:29,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:50:29,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:50:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:50:31,217 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 02:50:31,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:50:31,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511368481] [2023-05-20 02:50:31,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511368481] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:50:31,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482189584] [2023-05-20 02:50:31,217 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 02:50:31,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:50:31,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:50:31,219 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 02:50:31,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 02:50:31,523 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-20 02:50:31,523 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:50:31,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-20 02:50:31,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:50:32,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:50:32,173 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 02:50:32,275 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 02:50:32,275 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 10 [2023-05-20 02:50:32,309 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-20 02:50:32,310 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:50:32,517 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 02:50:32,517 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 41 [2023-05-20 02:50:32,520 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2023-05-20 02:50:33,026 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-20 02:50:33,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482189584] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:50:33,027 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:50:33,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 12, 12] total 45 [2023-05-20 02:50:33,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399981662] [2023-05-20 02:50:33,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:50:33,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-05-20 02:50:33,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:50:33,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-05-20 02:50:33,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1851, Unknown=8, NotChecked=0, Total=1980 [2023-05-20 02:50:33,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:33,029 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:50:33,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 10.155555555555555) internal successors, (457), 45 states have internal predecessors, (457), 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 02:50:33,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:33,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:50:33,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:50:33,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:50:33,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 02:50:33,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:36,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:36,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:50:36,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:50:36,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:50:36,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 02:50:36,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 02:50:36,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-20 02:50:36,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:50:36,269 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 02:50:36,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:50:36,270 INFO L85 PathProgramCache]: Analyzing trace with hash 727474427, now seen corresponding path program 1 times [2023-05-20 02:50:36,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:50:36,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517593004] [2023-05-20 02:50:36,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:50:36,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:50:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:50:36,503 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-05-20 02:50:36,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:50:36,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517593004] [2023-05-20 02:50:36,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517593004] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:50:36,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297475042] [2023-05-20 02:50:36,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:50:36,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:50:36,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:50:36,505 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 02:50:36,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 02:50:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:50:36,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-20 02:50:36,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:50:36,836 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-05-20 02:50:36,836 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:50:37,008 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-05-20 02:50:37,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297475042] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:50:37,009 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:50:37,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-05-20 02:50:37,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4187734] [2023-05-20 02:50:37,009 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:50:37,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-20 02:50:37,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:50:37,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-20 02:50:37,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-05-20 02:50:37,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:37,010 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:50:37,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.789473684210526) internal successors, (262), 19 states have internal predecessors, (262), 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 02:50:37,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:37,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:50:37,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:50:37,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:50:37,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 02:50:37,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 02:50:37,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:37,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:37,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:50:37,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:50:37,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:50:37,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 02:50:37,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 02:50:37,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:50:37,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 02:50:37,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:50:37,441 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 02:50:37,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:50:37,441 INFO L85 PathProgramCache]: Analyzing trace with hash 958070586, now seen corresponding path program 2 times [2023-05-20 02:50:37,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:50:37,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694030082] [2023-05-20 02:50:37,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:50:37,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:50:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:50:39,660 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-05-20 02:50:39,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:50:39,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694030082] [2023-05-20 02:50:39,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694030082] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:50:39,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833876534] [2023-05-20 02:50:39,661 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 02:50:39,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:50:39,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:50:39,689 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 02:50:39,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-20 02:50:39,836 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 02:50:39,836 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:50:39,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 39 conjunts are in the unsatisfiable core [2023-05-20 02:50:39,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:50:40,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:50:40,937 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 21 [2023-05-20 02:50:41,028 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 8 [2023-05-20 02:50:41,057 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-05-20 02:50:41,057 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:50:41,466 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 02:50:41,466 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 62 [2023-05-20 02:50:41,484 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2023-05-20 02:50:42,898 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-05-20 02:50:42,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833876534] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:50:42,898 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:50:42,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 22, 22] total 66 [2023-05-20 02:50:42,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283772529] [2023-05-20 02:50:42,899 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:50:42,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2023-05-20 02:50:42,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:50:42,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2023-05-20 02:50:42,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=3961, Unknown=7, NotChecked=0, Total=4290 [2023-05-20 02:50:42,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:42,901 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:50:42,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 7.712121212121212) internal successors, (509), 66 states have internal predecessors, (509), 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 02:50:42,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:42,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:50:42,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:50:42,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:50:42,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 02:50:42,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 02:50:42,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:50:42,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:47,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:47,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:50:47,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:50:47,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:50:47,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 02:50:47,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 02:50:47,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:50:47,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-20 02:50:47,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-20 02:50:47,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:50:47,234 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 02:50:47,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:50:47,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1905603850, now seen corresponding path program 1 times [2023-05-20 02:50:47,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:50:47,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399935874] [2023-05-20 02:50:47,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:50:47,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:50:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:50:49,151 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 6 proven. 59 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-20 02:50:49,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:50:49,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399935874] [2023-05-20 02:50:49,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399935874] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:50:49,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674876557] [2023-05-20 02:50:49,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:50:49,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:50:49,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:50:49,154 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 02:50:49,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-20 02:50:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:50:49,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 42 conjunts are in the unsatisfiable core [2023-05-20 02:50:49,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:50:50,108 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 7 [2023-05-20 02:50:50,165 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 4 proven. 56 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-05-20 02:50:50,165 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:50:50,326 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-20 02:50:50,326 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 16 [2023-05-20 02:50:51,297 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 7 proven. 58 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-20 02:50:51,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674876557] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:50:51,297 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:50:51,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 19, 20] total 60 [2023-05-20 02:50:51,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588895622] [2023-05-20 02:50:51,297 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:50:51,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2023-05-20 02:50:51,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:50:51,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2023-05-20 02:50:51,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=742, Invalid=2798, Unknown=0, NotChecked=0, Total=3540 [2023-05-20 02:50:51,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:51,300 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:50:51,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 8.9) internal successors, (534), 60 states have internal predecessors, (534), 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 02:50:51,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:51,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:50:51,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:50:51,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:50:51,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 02:50:51,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 02:50:51,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:50:51,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-20 02:50:51,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:53,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:53,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:50:53,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:50:53,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:50:53,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 02:50:53,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 02:50:53,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:50:53,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 02:50:53,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 02:50:53,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-20 02:50:53,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:50:53,458 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 02:50:53,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:50:53,459 INFO L85 PathProgramCache]: Analyzing trace with hash 715882172, now seen corresponding path program 2 times [2023-05-20 02:50:53,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:50:53,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549598952] [2023-05-20 02:50:53,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:50:53,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:50:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:50:53,683 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2023-05-20 02:50:53,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:50:53,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549598952] [2023-05-20 02:50:53,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549598952] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:50:53,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006543250] [2023-05-20 02:50:53,684 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 02:50:53,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:50:53,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:50:53,693 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 02:50:53,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-20 02:50:53,850 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 02:50:53,850 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:50:53,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-20 02:50:53,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:50:54,043 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2023-05-20 02:50:54,043 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:50:54,424 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 10 proven. 16 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-05-20 02:50:54,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006543250] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:50:54,424 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:50:54,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 7] total 9 [2023-05-20 02:50:54,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745387455] [2023-05-20 02:50:54,426 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:50:54,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-20 02:50:54,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:50:54,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-20 02:50:54,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2023-05-20 02:50:54,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:54,429 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:50:54,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 36.44444444444444) internal successors, (328), 9 states have internal predecessors, (328), 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 02:50:54,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:54,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:50:54,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:50:54,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:50:54,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 02:50:54,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 02:50:54,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:50:54,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 02:50:54,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 02:50:54,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:54,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:54,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:50:54,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:50:54,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:50:54,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 02:50:54,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 02:50:54,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:50:54,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 02:50:54,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 02:50:54,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 02:50:54,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-20 02:50:54,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-20 02:50:54,836 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 02:50:54,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:50:54,836 INFO L85 PathProgramCache]: Analyzing trace with hash 640015372, now seen corresponding path program 3 times [2023-05-20 02:50:54,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:50:54,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640850111] [2023-05-20 02:50:54,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:50:54,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:50:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:50:56,012 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 52 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-05-20 02:50:56,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:50:56,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640850111] [2023-05-20 02:50:56,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640850111] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:50:56,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217738081] [2023-05-20 02:50:56,013 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 02:50:56,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:50:56,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:50:56,014 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 02:50:56,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-20 02:50:56,341 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-20 02:50:56,341 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:50:56,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 35 conjunts are in the unsatisfiable core [2023-05-20 02:50:56,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:50:57,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:50:57,210 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2023-05-20 02:50:57,210 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 45 [2023-05-20 02:50:57,218 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2023-05-20 02:50:57,291 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2023-05-20 02:50:57,312 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 29 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-05-20 02:50:57,312 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:50:57,688 INFO L356 Elim1Store]: treesize reduction 19, result has 81.9 percent of original size [2023-05-20 02:50:57,688 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 99 treesize of output 142 [2023-05-20 02:50:57,699 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 17 [2023-05-20 02:50:58,748 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 29 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-05-20 02:50:58,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217738081] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:50:58,749 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:50:58,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 18, 18] total 55 [2023-05-20 02:50:58,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928371193] [2023-05-20 02:50:58,749 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:50:58,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2023-05-20 02:50:58,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:50:58,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2023-05-20 02:50:58,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=2805, Unknown=10, NotChecked=0, Total=2970 [2023-05-20 02:50:58,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:58,751 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:50:58,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 9.50909090909091) internal successors, (523), 55 states have internal predecessors, (523), 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 02:50:58,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:50:58,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:50:58,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:50:58,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:50:58,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 02:50:58,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 02:50:58,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:50:58,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 02:50:58,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-20 02:50:58,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 02:50:58,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:51:00,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:51:00,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:51:00,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:51:00,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:51:00,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 02:51:00,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 02:51:00,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:51:00,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 02:51:00,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 02:51:00,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 02:51:00,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 02:51:00,978 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-05-20 02:51:01,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:51:01,177 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 02:51:01,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:51:01,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1928272466, now seen corresponding path program 4 times [2023-05-20 02:51:01,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:51:01,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223702249] [2023-05-20 02:51:01,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:51:01,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:51:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:51:20,399 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:51:20,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:51:20,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223702249] [2023-05-20 02:51:20,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223702249] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:51:20,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071422000] [2023-05-20 02:51:20,402 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 02:51:20,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:51:20,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:51:20,407 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 02:51:20,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-20 02:51:20,638 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 02:51:20,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:51:20,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 121 conjunts are in the unsatisfiable core [2023-05-20 02:51:20,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:51:24,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:51:24,682 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 21 [2023-05-20 02:51:26,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:51:26,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:51:26,447 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-20 02:51:26,447 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 67 [2023-05-20 02:51:28,144 INFO L356 Elim1Store]: treesize reduction 82, result has 1.2 percent of original size [2023-05-20 02:51:28,144 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 87 treesize of output 19 [2023-05-20 02:51:29,485 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-05-20 02:51:29,485 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:51:36,177 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse19 (* c_~q1_front~0 4))) (let ((.cse1 (+ (* c_~q1_back~0 4) c_~q1~0.offset)) (.cse5 (+ .cse19 c_~q1~0.offset 4)) (.cse7 (* c_~q2_back~0 4)) (.cse8 (+ .cse19 c_~q1~0.offset))) (let ((.cse9 (forall ((~q2~0.offset Int) (v_ArrVal_550 (Array Int Int))) (let ((.cse18 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_550))) (let ((.cse17 (select .cse18 c_~q2~0.base)) (.cse16 (select .cse18 c_~q1~0.base))) (or (not (= (select .cse16 .cse1) 1)) (not (= (select .cse16 .cse5) (select .cse17 (+ ~q2~0.offset .cse7 4)))) (not (= (select .cse17 (+ ~q2~0.offset .cse7)) (select .cse16 .cse8)))))))) (.cse10 (* c_~C~0 2)) (.cse11 (mod (+ c_~C~0 c_~x~0) 4294967296)) (.cse3 (* c_~q2_front~0 4))) (and (forall ((v_ArrVal_550 (Array Int Int))) (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_550))) (let ((.cse0 (select .cse4 c_~q1~0.base))) (or (not (= (select .cse0 .cse1) 1)) (forall ((~q2~0.offset Int)) (let ((.cse6 (select .cse4 c_~q2~0.base))) (or (forall ((v_ArrVal_551 (Array Int Int))) (< (let ((.cse2 (select (store .cse4 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_551) c_~q2~0.base))) (+ (select .cse2 (+ ~q2~0.offset .cse3 4)) (select .cse2 (+ ~q2~0.offset .cse3)))) (+ |c_thread1Thread1of1ForFork0_#t~post1#1| 3))) (not (= (select .cse0 .cse5) (select .cse6 (+ ~q2~0.offset .cse7 4)))) (not (= (select .cse6 (+ ~q2~0.offset .cse7)) (select .cse0 .cse8)))))))))) (or .cse9 (= (mod (+ c_~y~0 .cse10) 4294967296) .cse11)) (or .cse9 (= (mod (+ .cse10 c_~z~0) 4294967296) .cse11)) (forall ((v_ArrVal_550 (Array Int Int))) (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_550))) (let ((.cse12 (select .cse14 c_~q1~0.base))) (or (not (= (select .cse12 .cse1) 1)) (forall ((~q2~0.offset Int)) (let ((.cse15 (select .cse14 c_~q2~0.base))) (or (forall ((v_ArrVal_551 (Array Int Int))) (< (+ |c_thread1Thread1of1ForFork0_#t~post1#1| 1) (let ((.cse13 (select (store .cse14 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_551) c_~q2~0.base))) (+ (select .cse13 (+ ~q2~0.offset .cse3 4)) (select .cse13 (+ ~q2~0.offset .cse3)))))) (not (= (select .cse12 .cse5) (select .cse15 (+ ~q2~0.offset .cse7 4)))) (not (= (select .cse15 (+ ~q2~0.offset .cse7)) (select .cse12 .cse8)))))))))))))) is different from false [2023-05-20 02:51:36,246 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse19 (* c_~q1_front~0 4))) (let ((.cse4 (+ (* c_~q1_back~0 4) c_~q1~0.offset)) (.cse5 (+ .cse19 c_~q1~0.offset 4)) (.cse7 (* c_~q2_back~0 4)) (.cse11 (+ .cse19 c_~q1~0.offset))) (let ((.cse0 (forall ((~q2~0.offset Int) (v_ArrVal_550 (Array Int Int))) (let ((.cse18 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_550))) (let ((.cse17 (select .cse18 c_~q2~0.base)) (.cse16 (select .cse18 c_~q1~0.base))) (or (not (= (select .cse16 .cse4) 1)) (not (= (select .cse16 .cse5) (select .cse17 (+ ~q2~0.offset .cse7 4)))) (not (= (select .cse17 (+ ~q2~0.offset .cse7)) (select .cse16 .cse11)))))))) (.cse1 (* c_~C~0 2)) (.cse2 (mod (+ c_~C~0 c_~x~0) 4294967296)) (.cse9 (* c_~q2_front~0 4))) (and (or .cse0 (= (mod (+ c_~y~0 .cse1) 4294967296) .cse2)) (or .cse0 (= (mod (+ .cse1 c_~z~0) 4294967296) .cse2)) (forall ((v_ArrVal_550 (Array Int Int))) (let ((.cse10 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_550))) (let ((.cse3 (select .cse10 c_~q1~0.base))) (or (not (= (select .cse3 .cse4) 1)) (forall ((~q2~0.offset Int)) (let ((.cse6 (select .cse10 c_~q2~0.base))) (or (not (= (select .cse3 .cse5) (select .cse6 (+ ~q2~0.offset .cse7 4)))) (forall ((v_ArrVal_551 (Array Int Int))) (< (let ((.cse8 (select (store .cse10 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_551) c_~q2~0.base))) (+ (select .cse8 (+ ~q2~0.offset .cse9 4)) (select .cse8 (+ ~q2~0.offset .cse9)))) (+ 3 |c_thread1Thread1of1ForFork0_~i~0#1|))) (not (= (select .cse6 (+ ~q2~0.offset .cse7)) (select .cse3 .cse11)))))))))) (forall ((v_ArrVal_550 (Array Int Int))) (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_550))) (let ((.cse12 (select .cse14 c_~q1~0.base))) (or (not (= (select .cse12 .cse4) 1)) (forall ((~q2~0.offset Int)) (let ((.cse15 (select .cse14 c_~q2~0.base))) (or (forall ((v_ArrVal_551 (Array Int Int))) (< (+ |c_thread1Thread1of1ForFork0_~i~0#1| 1) (let ((.cse13 (select (store .cse14 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_551) c_~q2~0.base))) (+ (select .cse13 (+ ~q2~0.offset .cse9 4)) (select .cse13 (+ ~q2~0.offset .cse9)))))) (not (= (select .cse12 .cse5) (select .cse15 (+ ~q2~0.offset .cse7 4)))) (not (= (select .cse15 (+ ~q2~0.offset .cse7)) (select .cse12 .cse11)))))))))))))) is different from false [2023-05-20 02:51:38,914 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 02:51:38,915 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 1382 treesize of output 2755 [2023-05-20 02:51:39,358 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 02:51:39,358 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 1010 treesize of output 1202 [2023-05-20 02:51:39,516 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 925 treesize of output 873 [2023-05-20 02:51:39,747 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 02:51:39,747 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 873 treesize of output 940 [2023-05-20 02:51:39,982 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 02:51:39,983 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 814 treesize of output 881 [2023-05-20 02:51:40,344 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 02:51:40,345 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 755 treesize of output 960 [2023-05-20 02:51:40,563 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 683 treesize of output 657 Received shutdown request... [2023-05-20 03:04:29,712 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-20 03:04:29,714 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-20 03:04:29,731 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 03:04:29,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-20 03:04:29,731 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 03:04:29,731 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 03:04:29,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-05-20 03:04:29,932 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 266 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 11ms.. [2023-05-20 03:04:29,933 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-20 03:04:29,933 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-20 03:04:29,933 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-20 03:04:29,940 INFO L444 BasicCegarLoop]: Path program histogram: [4, 3, 2, 1, 1, 1] [2023-05-20 03:04:29,944 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 03:04:29,944 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 03:04:29,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 03:04:29 BasicIcfg [2023-05-20 03:04:29,946 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 03:04:29,947 INFO L158 Benchmark]: Toolchain (without parser) took 846279.74ms. Allocated memory was 186.6MB in the beginning and 1.0GB in the end (delta: 859.8MB). Free memory was 130.6MB in the beginning and 884.6MB in the end (delta: -754.0MB). Peak memory consumption was 643.6MB. Max. memory is 8.0GB. [2023-05-20 03:04:29,947 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 186.6MB. Free memory was 147.3MB in the beginning and 147.3MB in the end (delta: 81.0kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 03:04:29,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.16ms. Allocated memory is still 186.6MB. Free memory was 130.4MB in the beginning and 159.3MB in the end (delta: -28.8MB). Peak memory consumption was 10.8MB. Max. memory is 8.0GB. [2023-05-20 03:04:29,947 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.62ms. Allocated memory is still 186.6MB. Free memory was 159.3MB in the beginning and 156.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 03:04:29,947 INFO L158 Benchmark]: Boogie Preprocessor took 37.96ms. Allocated memory is still 186.6MB. Free memory was 156.9MB in the beginning and 154.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 03:04:29,947 INFO L158 Benchmark]: RCFGBuilder took 576.30ms. Allocated memory is still 186.6MB. Free memory was 154.8MB in the beginning and 120.0MB in the end (delta: 34.9MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2023-05-20 03:04:29,948 INFO L158 Benchmark]: TraceAbstraction took 845321.77ms. Allocated memory was 186.6MB in the beginning and 1.0GB in the end (delta: 859.8MB). Free memory was 118.9MB in the beginning and 884.6MB in the end (delta: -765.7MB). Peak memory consumption was 632.8MB. Max. memory is 8.0GB. [2023-05-20 03:04:29,950 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 186.6MB. Free memory was 147.3MB in the beginning and 147.3MB in the end (delta: 81.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 298.16ms. Allocated memory is still 186.6MB. Free memory was 130.4MB in the beginning and 159.3MB in the end (delta: -28.8MB). Peak memory consumption was 10.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.62ms. Allocated memory is still 186.6MB. Free memory was 159.3MB in the beginning and 156.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 37.96ms. Allocated memory is still 186.6MB. Free memory was 156.9MB in the beginning and 154.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 576.30ms. Allocated memory is still 186.6MB. Free memory was 154.8MB in the beginning and 120.0MB in the end (delta: 34.9MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. * TraceAbstraction took 845321.77ms. Allocated memory was 186.6MB in the beginning and 1.0GB in the end (delta: 859.8MB). Free memory was 118.9MB in the beginning and 884.6MB in the end (delta: -765.7MB). Peak memory consumption was 632.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8153, independent: 6990, independent conditional: 4187, independent unconditional: 2803, dependent: 1157, dependent conditional: 1136, dependent unconditional: 21, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7039, independent: 6990, independent conditional: 4187, independent unconditional: 2803, dependent: 43, dependent conditional: 22, dependent unconditional: 21, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7039, independent: 6990, independent conditional: 4187, independent unconditional: 2803, dependent: 43, dependent conditional: 22, dependent unconditional: 21, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7149, independent: 6990, independent conditional: 3, independent unconditional: 6987, dependent: 153, dependent conditional: 101, dependent unconditional: 52, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7149, independent: 6990, independent conditional: 3, independent unconditional: 6987, dependent: 153, dependent conditional: 50, dependent unconditional: 103, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7149, independent: 6990, independent conditional: 3, independent unconditional: 6987, dependent: 153, dependent conditional: 50, dependent unconditional: 103, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2339, independent: 2307, independent conditional: 2, independent unconditional: 2305, dependent: 31, dependent conditional: 10, dependent unconditional: 21, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2339, independent: 2302, independent conditional: 0, independent unconditional: 2302, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 37, independent: 5, independent conditional: 2, independent unconditional: 3, dependent: 31, dependent conditional: 10, dependent unconditional: 21, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, independent: 5, independent conditional: 2, independent unconditional: 3, dependent: 31, dependent conditional: 10, dependent unconditional: 21, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1157, independent: 45, independent conditional: 6, independent unconditional: 39, dependent: 108, dependent conditional: 34, dependent unconditional: 73, unknown: 1005, unknown conditional: 1005, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7149, independent: 4683, independent conditional: 1, independent unconditional: 4682, dependent: 122, dependent conditional: 40, dependent unconditional: 82, unknown: 2344, unknown conditional: 18, unknown unconditional: 2326] , Statistics on independence cache: Total cache size (in pairs): 2338, Positive cache size: 2307, Positive conditional cache size: 2, Positive unconditional cache size: 2305, Negative cache size: 31, Negative conditional cache size: 10, Negative unconditional cache size: 21, Unknown cache size: 1, Unknown conditional cache size: 1, Unknown unconditional cache size: 0, Eliminated conditions: 51, Maximal queried relation: 7, Independence queries for same thread: 1114 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 343, Number of trivial persistent sets: 241, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2824, independent: 2803, independent conditional: 0, independent unconditional: 2803, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8153, independent: 6990, independent conditional: 4187, independent unconditional: 2803, dependent: 1157, dependent conditional: 1136, dependent unconditional: 21, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7039, independent: 6990, independent conditional: 4187, independent unconditional: 2803, dependent: 43, dependent conditional: 22, dependent unconditional: 21, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7039, independent: 6990, independent conditional: 4187, independent unconditional: 2803, dependent: 43, dependent conditional: 22, dependent unconditional: 21, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7149, independent: 6990, independent conditional: 3, independent unconditional: 6987, dependent: 153, dependent conditional: 101, dependent unconditional: 52, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7149, independent: 6990, independent conditional: 3, independent unconditional: 6987, dependent: 153, dependent conditional: 50, dependent unconditional: 103, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7149, independent: 6990, independent conditional: 3, independent unconditional: 6987, dependent: 153, dependent conditional: 50, dependent unconditional: 103, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2339, independent: 2307, independent conditional: 2, independent unconditional: 2305, dependent: 31, dependent conditional: 10, dependent unconditional: 21, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2339, independent: 2302, independent conditional: 0, independent unconditional: 2302, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 37, independent: 5, independent conditional: 2, independent unconditional: 3, dependent: 31, dependent conditional: 10, dependent unconditional: 21, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, independent: 5, independent conditional: 2, independent unconditional: 3, dependent: 31, dependent conditional: 10, dependent unconditional: 21, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1157, independent: 45, independent conditional: 6, independent unconditional: 39, dependent: 108, dependent conditional: 34, dependent unconditional: 73, unknown: 1005, unknown conditional: 1005, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7149, independent: 4683, independent conditional: 1, independent unconditional: 4682, dependent: 122, dependent conditional: 40, dependent unconditional: 82, unknown: 2344, unknown conditional: 18, unknown unconditional: 2326] , Statistics on independence cache: Total cache size (in pairs): 2338, Positive cache size: 2307, Positive conditional cache size: 2, Positive unconditional cache size: 2305, Negative cache size: 31, Negative conditional cache size: 10, Negative unconditional cache size: 21, Unknown cache size: 1, Unknown conditional cache size: 1, Unknown unconditional cache size: 0, Eliminated conditions: 51, Maximal queried relation: 7, Independence queries for same thread: 1114 - TimeoutResultAtElement [Line: 135]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 266 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 11ms.. - TimeoutResultAtElement [Line: 128]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 266 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 11ms.. - TimeoutResultAtElement [Line: 129]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 266 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 11ms.. - TimeoutResultAtElement [Line: 127]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 266 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 11ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 242 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 845.2s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 12.9s, 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: 238, 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: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 19.4s InterpolantComputationTime, 4140 NumberOfCodeBlocks, 4105 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 5911 ConstructedInterpolants, 50 QuantifiedInterpolants, 51940 SizeOfPredicates, 106 NumberOfNonLiveVariables, 4220 ConjunctsInSsa, 174 ConjunctsInUnsatCore, 27 InterpolantComputations, 3 PerfectInterpolantSequences, 1189/1658 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