/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/unroll-cond-5.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 03:17:30,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 03:17:31,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 03:17:31,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-20 03:17:31,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 03:17:31,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 03:17:31,046 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 03:17:31,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 03:17:31,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 03:17:31,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 03:17:31,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 03:17:31,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 03:17:31,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 03:17:31,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 03:17:31,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 03:17:31,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 03:17:31,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 03:17:31,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 03:17:31,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 03:17:31,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 03:17:31,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 03:17:31,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 03:17:31,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 03:17:31,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 03:17:31,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 03:17:31,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 03:17:31,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 03:17:31,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 03:17:31,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 03:17:31,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 03:17:31,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 03:17:31,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 03:17:31,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 03:17:31,073 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 03:17:31,095 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 03:17:31,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 03:17:31,095 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 03:17:31,096 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 03:17:31,096 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 03:17:31,096 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 03:17:31,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 03:17:31,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 03:17:31,097 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 03:17:31,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 03:17:31,098 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 03:17:31,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 03:17:31,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 03:17:31,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 03:17:31,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 03:17:31,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 03:17:31,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 03:17:31,098 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 03:17:31,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 03:17:31,098 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 03:17:31,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 03:17:31,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 03:17:31,099 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 03:17:31,099 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 03:17:31,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 03:17:31,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 03:17:31,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 03:17:31,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 03:17:31,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 03:17:31,101 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 03:17:31,101 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 03:17:31,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 03:17:31,101 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 03:17:31,101 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 03:17:31,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 03:17:31,101 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 03:17:31,101 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-20 03:17:31,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 03:17:31,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 03:17:31,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 03:17:31,278 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 03:17:31,285 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 03:17:31,286 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c [2023-05-20 03:17:31,328 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beb60ac75/6750c06610ea4b33a7eb626cd9f9654a/FLAGac360c0c7 [2023-05-20 03:17:31,676 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 03:17:31,676 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c [2023-05-20 03:17:31,681 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beb60ac75/6750c06610ea4b33a7eb626cd9f9654a/FLAGac360c0c7 [2023-05-20 03:17:31,689 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beb60ac75/6750c06610ea4b33a7eb626cd9f9654a [2023-05-20 03:17:31,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 03:17:31,692 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 03:17:31,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 03:17:31,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 03:17:31,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 03:17:31,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 03:17:31" (1/1) ... [2023-05-20 03:17:31,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e4ecaac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:17:31, skipping insertion in model container [2023-05-20 03:17:31,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 03:17:31" (1/1) ... [2023-05-20 03:17:31,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 03:17:31,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 03:17:31,855 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/unroll-cond-5.wvr.c[2975,2988] [2023-05-20 03:17:31,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 03:17:31,865 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 03:17:31,881 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/unroll-cond-5.wvr.c[2975,2988] [2023-05-20 03:17:31,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 03:17:31,892 INFO L208 MainTranslator]: Completed translation [2023-05-20 03:17:31,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:17:31 WrapperNode [2023-05-20 03:17:31,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 03:17:31,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 03:17:31,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 03:17:31,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 03:17:31,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:17:31" (1/1) ... [2023-05-20 03:17:31,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:17:31" (1/1) ... [2023-05-20 03:17:31,924 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 204 [2023-05-20 03:17:31,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 03:17:31,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 03:17:31,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 03:17:31,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 03:17:31,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:17:31" (1/1) ... [2023-05-20 03:17:31,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:17:31" (1/1) ... [2023-05-20 03:17:31,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:17:31" (1/1) ... [2023-05-20 03:17:31,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:17:31" (1/1) ... [2023-05-20 03:17:31,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:17:31" (1/1) ... [2023-05-20 03:17:31,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:17:31" (1/1) ... [2023-05-20 03:17:31,956 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:17:31" (1/1) ... [2023-05-20 03:17:31,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:17:31" (1/1) ... [2023-05-20 03:17:31,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 03:17:31,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 03:17:31,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 03:17:31,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 03:17:31,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:17:31" (1/1) ... [2023-05-20 03:17:31,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 03:17:31,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:17:31,986 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 03:17:31,987 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 03:17:32,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 03:17:32,018 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 03:17:32,018 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 03:17:32,018 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 03:17:32,020 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 03:17:32,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 03:17:32,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 03:17:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 03:17:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 03:17:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 03:17:32,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 03:17:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 03:17:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 03:17:32,022 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 03:17:32,115 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 03:17:32,116 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 03:17:32,373 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 03:17:32,381 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 03:17:32,381 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-20 03:17:32,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 03:17:32 BoogieIcfgContainer [2023-05-20 03:17:32,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 03:17:32,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 03:17:32,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 03:17:32,387 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 03:17:32,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 03:17:31" (1/3) ... [2023-05-20 03:17:32,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e526e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 03:17:32, skipping insertion in model container [2023-05-20 03:17:32,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:17:31" (2/3) ... [2023-05-20 03:17:32,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e526e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 03:17:32, skipping insertion in model container [2023-05-20 03:17:32,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 03:17:32" (3/3) ... [2023-05-20 03:17:32,389 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-5.wvr.c [2023-05-20 03:17:32,394 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 03:17:32,400 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 03:17:32,400 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 03:17:32,400 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 03:17:32,487 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-20 03:17:32,524 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 03:17:32,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 03:17:32,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:17:32,526 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 03:17:32,529 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 03:17:32,551 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 03:17:32,567 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 03:17:32,572 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;@7ef4b793, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 03:17:32,572 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-20 03:17:32,753 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 03:17:32,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:17:32,759 INFO L85 PathProgramCache]: Analyzing trace with hash 2102056543, now seen corresponding path program 1 times [2023-05-20 03:17:32,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:17:32,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211880567] [2023-05-20 03:17:32,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:17:32,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:17:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:17:33,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 03:17:33,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:17:33,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211880567] [2023-05-20 03:17:33,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211880567] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 03:17:33,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 03:17:33,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 03:17:33,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176266937] [2023-05-20 03:17:33,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 03:17:33,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 03:17:33,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:17:33,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 03:17:33,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 03:17:33,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:17:33,059 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:17:33,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 59.5) internal successors, (119), 2 states have internal predecessors, (119), 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 03:17:33,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:17:33,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:17:33,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 03:17:33,118 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 03:17:33,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:17:33,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1988803067, now seen corresponding path program 1 times [2023-05-20 03:17:33,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:17:33,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071666288] [2023-05-20 03:17:33,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:17:33,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:17:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:17:33,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 03:17:33,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:17:33,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071666288] [2023-05-20 03:17:33,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071666288] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 03:17:33,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 03:17:33,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-20 03:17:33,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112112801] [2023-05-20 03:17:33,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 03:17:33,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 03:17:33,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:17:33,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 03:17:33,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-05-20 03:17:33,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:17:33,607 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:17:33,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 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 03:17:33,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:17:33,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:17:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:17:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 03:17:33,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 03:17:33,783 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 03:17:33,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:17:33,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1754447834, now seen corresponding path program 1 times [2023-05-20 03:17:33,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:17:33,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101072382] [2023-05-20 03:17:33,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:17:33,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:17:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:17:36,628 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 03:17:36,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:17:36,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101072382] [2023-05-20 03:17:36,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101072382] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 03:17:36,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224115981] [2023-05-20 03:17:36,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:17:36,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:17:36,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:17:36,631 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 03:17:36,683 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 03:17:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:17:36,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-20 03:17:36,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 03:17:37,308 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-05-20 03:17:37,309 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 03:17:37,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224115981] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 03:17:37,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 03:17:37,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [27] total 33 [2023-05-20 03:17:37,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881853178] [2023-05-20 03:17:37,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 03:17:37,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-20 03:17:37,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:17:37,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-20 03:17:37,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=984, Unknown=0, NotChecked=0, Total=1056 [2023-05-20 03:17:37,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:17:37,311 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:17:37,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.875) internal successors, (167), 8 states have internal predecessors, (167), 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 03:17:37,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:17:37,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 03:17:37,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:17:37,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:17:37,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 03:17:37,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 03:17:37,522 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 03:17:37,705 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,SelfDestructingSolverStorable2 [2023-05-20 03:17:37,705 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 03:17:37,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:17:37,706 INFO L85 PathProgramCache]: Analyzing trace with hash 669682550, now seen corresponding path program 1 times [2023-05-20 03:17:37,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:17:37,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744996207] [2023-05-20 03:17:37,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:17:37,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:17:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:17:40,369 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 03:17:40,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:17:40,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744996207] [2023-05-20 03:17:40,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744996207] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 03:17:40,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769514409] [2023-05-20 03:17:40,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:17:40,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:17:40,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:17:40,380 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 03:17:40,384 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 03:17:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:17:40,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 45 conjunts are in the unsatisfiable core [2023-05-20 03:17:40,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 03:17:42,938 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 03:17:42,939 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 34 treesize of output 13 [2023-05-20 03:17:43,198 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 40 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-20 03:17:43,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 03:17:44,270 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 03:17:44,270 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 34 treesize of output 22 [2023-05-20 03:17:45,496 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 46 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-20 03:17:45,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769514409] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 03:17:45,496 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 03:17:45,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 24, 24] total 68 [2023-05-20 03:17:45,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527612639] [2023-05-20 03:17:45,497 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 03:17:45,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2023-05-20 03:17:45,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:17:45,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2023-05-20 03:17:45,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=280, Invalid=4276, Unknown=0, NotChecked=0, Total=4556 [2023-05-20 03:17:45,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:17:45,501 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:17:45,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 9.455882352941176) internal successors, (643), 68 states have internal predecessors, (643), 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 03:17:45,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:17:45,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 03:17:45,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 03:17:45,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:17:56,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:17:56,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 03:17:56,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 03:17:56,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-20 03:17:56,191 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-20 03:17:56,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:17:56,381 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 03:17:56,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:17:56,382 INFO L85 PathProgramCache]: Analyzing trace with hash -503927140, now seen corresponding path program 1 times [2023-05-20 03:17:56,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:17:56,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364210922] [2023-05-20 03:17:56,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:17:56,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:17:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:17:57,366 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 03:17:57,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:17:57,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364210922] [2023-05-20 03:17:57,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364210922] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 03:17:57,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509894714] [2023-05-20 03:17:57,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:17:57,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:17:57,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:17:57,368 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 03:17:57,369 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 03:17:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:17:57,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 48 conjunts are in the unsatisfiable core [2023-05-20 03:17:57,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 03:17:58,628 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 03:17:58,628 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 03:18:01,641 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 03:18:01,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509894714] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 03:18:01,642 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 03:18:01,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 27] total 71 [2023-05-20 03:18:01,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334827298] [2023-05-20 03:18:01,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 03:18:01,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2023-05-20 03:18:01,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:18:01,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2023-05-20 03:18:01,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=390, Invalid=4580, Unknown=0, NotChecked=0, Total=4970 [2023-05-20 03:18:01,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:18:01,644 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:18:01,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 6.985915492957746) internal successors, (496), 71 states have internal predecessors, (496), 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 03:18:01,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:18:01,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 03:18:01,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 03:18:01,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2023-05-20 03:18:01,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:18:32,261 WARN L233 SmtUtils]: Spent 8.03s on a formula simplification. DAG size of input: 66 DAG size of output: 38 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 03:18:44,991 WARN L233 SmtUtils]: Spent 6.72s on a formula simplification. DAG size of input: 66 DAG size of output: 35 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 03:19:22,760 WARN L233 SmtUtils]: Spent 23.28s on a formula simplification. DAG size of input: 76 DAG size of output: 40 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 03:19:24,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:19:24,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 03:19:24,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 03:19:24,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-20 03:19:24,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-20 03:19:24,501 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 03:19:24,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:19:24,685 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 03:19:24,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:19:24,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1477935814, now seen corresponding path program 2 times [2023-05-20 03:19:24,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:19:24,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155054325] [2023-05-20 03:19:24,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:19:24,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:19:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:19:28,921 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 370 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 03:19:28,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:19:28,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155054325] [2023-05-20 03:19:28,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155054325] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 03:19:28,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094997308] [2023-05-20 03:19:28,922 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 03:19:28,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:19:28,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:19:28,923 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 03:19:28,924 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 03:19:29,109 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-05-20 03:19:29,109 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 03:19:29,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 11 conjunts are in the unsatisfiable core [2023-05-20 03:19:29,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 03:19:30,215 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2023-05-20 03:19:30,215 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 03:19:30,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094997308] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 03:19:30,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 03:19:30,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [47] total 53 [2023-05-20 03:19:30,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706570439] [2023-05-20 03:19:30,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 03:19:30,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-20 03:19:30,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:19:30,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-20 03:19:30,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=2628, Unknown=0, NotChecked=0, Total=2756 [2023-05-20 03:19:30,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:19:30,217 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:19:30,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.333333333333332) internal successors, (174), 9 states have internal predecessors, (174), 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 03:19:30,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:19:30,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 03:19:30,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 03:19:30,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-20 03:19:30,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-20 03:19:30,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:19:31,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:19:31,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 03:19:31,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 03:19:31,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-20 03:19:31,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-20 03:19:31,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 03:19:31,016 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 03:19:31,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:19:31,215 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 03:19:31,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:19:31,215 INFO L85 PathProgramCache]: Analyzing trace with hash -220854980, now seen corresponding path program 1 times [2023-05-20 03:19:31,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:19:31,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86449902] [2023-05-20 03:19:31,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:19:31,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:19:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:19:37,709 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 370 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 03:19:37,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:19:37,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86449902] [2023-05-20 03:19:37,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86449902] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 03:19:37,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415130374] [2023-05-20 03:19:37,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:19:37,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:19:37,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:19:37,711 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 03:19:37,713 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 03:19:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:19:37,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 90 conjunts are in the unsatisfiable core [2023-05-20 03:19:37,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 03:19:41,778 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 370 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 03:19:41,779 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 03:20:32,755 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 370 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 03:20:32,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415130374] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 03:20:32,756 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 03:20:32,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 45, 49] total 136 [2023-05-20 03:20:32,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026231311] [2023-05-20 03:20:32,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 03:20:32,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 136 states [2023-05-20 03:20:32,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:20:32,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2023-05-20 03:20:32,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1724, Invalid=16634, Unknown=2, NotChecked=0, Total=18360 [2023-05-20 03:20:32,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:20:32,762 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:20:32,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 136 states, 136 states have (on average 6.676470588235294) internal successors, (908), 136 states have internal predecessors, (908), 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 03:20:32,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:20:32,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 03:20:32,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 03:20:32,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-20 03:20:32,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-20 03:20:32,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 03:20:32,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:20:52,511 WARN L233 SmtUtils]: Spent 5.28s on a formula simplification. DAG size of input: 89 DAG size of output: 73 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 03:21:05,475 WARN L233 SmtUtils]: Spent 5.84s on a formula simplification. DAG size of input: 85 DAG size of output: 69 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 03:21:41,005 WARN L233 SmtUtils]: Spent 6.73s on a formula simplification. DAG size of input: 89 DAG size of output: 73 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 03:21:55,179 WARN L233 SmtUtils]: Spent 5.20s on a formula simplification. DAG size of input: 85 DAG size of output: 69 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 03:22:08,063 WARN L233 SmtUtils]: Spent 6.12s on a formula simplification. DAG size of input: 88 DAG size of output: 73 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 03:22:20,698 WARN L233 SmtUtils]: Spent 5.07s on a formula simplification. DAG size of input: 84 DAG size of output: 69 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 03:22:31,071 WARN L233 SmtUtils]: Spent 5.27s on a formula simplification. DAG size of input: 85 DAG size of output: 71 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 03:22:47,691 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (< (mod (+ 4294967295 c_~n~0) 4294967296) 1)) (.cse4 (mod (+ c_~n~0 4294967293) 4294967296)) (.cse1 (mod (+ 4294967294 c_~n~0) 4294967296)) (.cse3 (mod (+ 4294967292 c_~n~0) 4294967296))) (and (let ((.cse0 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 17) 4294967296))) (or (not (< .cse0 .cse1)) .cse2 (< .cse0 .cse3) (< .cse0 .cse4))) (let ((.cse5 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 20) 4294967296))) (or .cse2 (not (< .cse5 .cse1)) (< .cse5 .cse3) (< .cse5 .cse4))) (let ((.cse6 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 4) 4294967296))) (or .cse2 (< .cse6 .cse3) (< .cse6 .cse4) (not (< .cse6 .cse1)))) (let ((.cse7 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 9) 4294967296))) (or (< .cse7 .cse3) .cse2 (not (< .cse7 .cse1)) (< .cse7 .cse4))) (let ((.cse8 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 18) 4294967296))) (or (< .cse8 .cse3) .cse2 (< .cse8 .cse4) (not (< .cse8 .cse1)))) (let ((.cse9 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 12) 4294967296))) (or (not (< .cse9 .cse1)) .cse2 (< .cse9 .cse4) (< .cse9 .cse3))) (let ((.cse10 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 16) 4294967296))) (or .cse2 (< .cse10 .cse3) (not (< .cse10 .cse1)) (< .cse10 .cse4))) (let ((.cse11 (mod |c_thread2Thread1of1ForFork0_~i~1#1| 4294967296))) (or .cse2 (< .cse11 .cse4) (not (< .cse11 .cse1)))) (let ((.cse12 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 14) 4294967296))) (or (< .cse12 .cse3) .cse2 (< .cse12 .cse4) (not (< .cse12 .cse1)))) (let ((.cse13 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 2) 4294967296))) (or .cse2 (< .cse13 .cse3) (< .cse13 .cse4) (not (< .cse13 .cse1)))) (let ((.cse14 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 10) 4294967296))) (or .cse2 (< .cse14 .cse3) (< .cse14 .cse4) (not (< .cse14 .cse1)))) (let ((.cse15 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 5) 4294967296))) (or .cse2 (< .cse15 .cse4) (not (< .cse15 .cse1)) (< .cse15 .cse3))) (let ((.cse16 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 13) 4294967296))) (or .cse2 (< .cse16 .cse4) (< .cse16 .cse3) (not (< .cse16 .cse1)))) (let ((.cse17 (mod (+ 7 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296))) (or (< .cse17 .cse3) .cse2 (not (< .cse17 .cse1)) (< .cse17 .cse4))) (let ((.cse18 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 6) 4294967296))) (or .cse2 (< .cse18 .cse3) (< .cse18 .cse4) (not (< .cse18 .cse1)))) (let ((.cse19 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 3) 4294967296))) (or .cse2 (< .cse19 .cse3) (not (< .cse19 .cse1)) (< .cse19 .cse4))) (let ((.cse20 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 8) 4294967296))) (or .cse2 (not (< .cse20 .cse1)) (< .cse20 .cse3) (< .cse20 .cse4))) (= |c_thread1Thread1of1ForFork1_~i~0#1| 0) (let ((.cse21 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 15) 4294967296))) (or .cse2 (not (< .cse21 .cse1)) (< .cse21 .cse3) (< .cse21 .cse4))) (let ((.cse22 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 11) 4294967296))) (or (< .cse22 .cse3) .cse2 (not (< .cse22 .cse1)) (< .cse22 .cse4))) (let ((.cse23 (mod (+ 19 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296))) (or .cse2 (< .cse23 .cse4) (not (< .cse23 .cse1)) (< .cse23 .cse3))) (not (< 0 (mod c_~n~0 4294967296))))) is different from false [2023-05-20 03:23:10,548 WARN L233 SmtUtils]: Spent 9.91s on a formula simplification. DAG size of input: 82 DAG size of output: 68 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 03:24:22,483 WARN L233 SmtUtils]: Spent 5.71s on a formula simplification. DAG size of input: 70 DAG size of output: 36 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 03:30:30,806 WARN L233 SmtUtils]: Spent 5.34m on a formula simplification that was a NOOP. DAG size: 174 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 03:30:32,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:30:32,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 03:30:32,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 03:30:32,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-20 03:30:32,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-05-20 03:30:32,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 03:30:32,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-20 03:30:32,438 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-05-20 03:30:32,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:30:32,623 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 03:30:32,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 03:30:32,624 INFO L85 PathProgramCache]: Analyzing trace with hash -51117988, now seen corresponding path program 2 times [2023-05-20 03:30:32,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 03:30:32,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945470344] [2023-05-20 03:30:32,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 03:30:32,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 03:30:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 03:30:36,704 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 921 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 03:30:36,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 03:30:36,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945470344] [2023-05-20 03:30:36,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945470344] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 03:30:36,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989079904] [2023-05-20 03:30:36,705 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 03:30:36,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:30:36,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 03:30:36,706 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 03:30:36,706 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 03:30:37,020 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 03:30:37,020 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 03:30:37,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 128 conjunts are in the unsatisfiable core [2023-05-20 03:30:37,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 03:30:42,378 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 921 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 03:30:42,379 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 03:30:59,925 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 921 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 03:30:59,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989079904] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 03:30:59,925 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 03:30:59,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 67] total 191 [2023-05-20 03:30:59,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139959194] [2023-05-20 03:30:59,926 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 03:30:59,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 191 states [2023-05-20 03:30:59,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 03:30:59,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2023-05-20 03:30:59,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1830, Invalid=34460, Unknown=0, NotChecked=0, Total=36290 [2023-05-20 03:30:59,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:30:59,933 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 03:30:59,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 191 states, 191 states have (on average 6.439790575916231) internal successors, (1230), 191 states have internal predecessors, (1230), 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 03:30:59,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 03:30:59,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 03:30:59,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 03:30:59,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-20 03:30:59,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-05-20 03:30:59,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 03:30:59,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-20 03:30:59,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-05-20 03:31:56,040 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 03:31:56,040 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 03:31:56,040 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 03:31:56,866 WARN L249 SmtUtils]: Removed 8 from assertion stack [2023-05-20 03:31:56,872 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 03:31:57,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2023-05-20 03:31:57,056 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-05-20 03:31:57,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 03:31:57,067 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 89 for 11985ms.. [2023-05-20 03:31:57,069 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-20 03:31:57,069 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-20 03:31:57,069 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-20 03:31:57,072 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1] [2023-05-20 03:31:57,074 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 03:31:57,074 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 03:31:57,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 03:31:57 BasicIcfg [2023-05-20 03:31:57,075 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 03:31:57,075 INFO L158 Benchmark]: Toolchain (without parser) took 865383.59ms. Allocated memory was 200.3MB in the beginning and 438.3MB in the end (delta: 238.0MB). Free memory was 139.9MB in the beginning and 279.2MB in the end (delta: -139.3MB). Peak memory consumption was 99.3MB. Max. memory is 8.0GB. [2023-05-20 03:31:57,076 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 200.3MB. Free memory is still 156.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 03:31:57,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.02ms. Allocated memory is still 200.3MB. Free memory was 139.7MB in the beginning and 168.0MB in the end (delta: -28.3MB). Peak memory consumption was 14.8MB. Max. memory is 8.0GB. [2023-05-20 03:31:57,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.36ms. Allocated memory is still 200.3MB. Free memory was 168.0MB in the beginning and 165.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 03:31:57,076 INFO L158 Benchmark]: Boogie Preprocessor took 33.77ms. Allocated memory is still 200.3MB. Free memory was 165.7MB in the beginning and 163.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 03:31:57,076 INFO L158 Benchmark]: RCFGBuilder took 423.56ms. Allocated memory is still 200.3MB. Free memory was 163.9MB in the beginning and 143.2MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-05-20 03:31:57,076 INFO L158 Benchmark]: TraceAbstraction took 864690.59ms. Allocated memory was 200.3MB in the beginning and 438.3MB in the end (delta: 238.0MB). Free memory was 141.9MB in the beginning and 279.2MB in the end (delta: -137.3MB). Peak memory consumption was 101.2MB. Max. memory is 8.0GB. [2023-05-20 03:31:57,077 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 200.3MB. Free memory is still 156.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 196.02ms. Allocated memory is still 200.3MB. Free memory was 139.7MB in the beginning and 168.0MB in the end (delta: -28.3MB). Peak memory consumption was 14.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.36ms. Allocated memory is still 200.3MB. Free memory was 168.0MB in the beginning and 165.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.77ms. Allocated memory is still 200.3MB. Free memory was 165.7MB in the beginning and 163.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 423.56ms. Allocated memory is still 200.3MB. Free memory was 163.9MB in the beginning and 143.2MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 864690.59ms. Allocated memory was 200.3MB in the beginning and 438.3MB in the end (delta: 238.0MB). Free memory was 141.9MB in the beginning and 279.2MB in the end (delta: -137.3MB). Peak memory consumption was 101.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5679, independent: 4127, independent conditional: 316, independent unconditional: 3811, dependent: 1552, dependent conditional: 1548, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4131, independent: 4127, independent conditional: 316, independent unconditional: 3811, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4131, independent: 4127, independent conditional: 316, independent unconditional: 3811, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4131, independent: 4127, independent conditional: 0, independent unconditional: 4127, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4131, independent: 4127, independent conditional: 0, independent unconditional: 4127, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4131, independent: 4127, independent conditional: 0, independent unconditional: 4127, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3252, independent: 3248, independent conditional: 0, independent unconditional: 3248, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3252, independent: 3247, independent conditional: 0, independent unconditional: 3247, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 53, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4131, independent: 879, independent conditional: 0, independent unconditional: 879, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 3252, unknown conditional: 0, unknown unconditional: 3252] , Statistics on independence cache: Total cache size (in pairs): 3252, Positive cache size: 3248, Positive conditional cache size: 0, Positive unconditional cache size: 3248, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1548 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 342, Number of trivial persistent sets: 302, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3815, independent: 3811, independent conditional: 0, independent unconditional: 3811, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5679, independent: 4127, independent conditional: 316, independent unconditional: 3811, dependent: 1552, dependent conditional: 1548, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4131, independent: 4127, independent conditional: 316, independent unconditional: 3811, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4131, independent: 4127, independent conditional: 316, independent unconditional: 3811, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4131, independent: 4127, independent conditional: 0, independent unconditional: 4127, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4131, independent: 4127, independent conditional: 0, independent unconditional: 4127, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4131, independent: 4127, independent conditional: 0, independent unconditional: 4127, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3252, independent: 3248, independent conditional: 0, independent unconditional: 3248, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3252, independent: 3247, independent conditional: 0, independent unconditional: 3247, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 53, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4131, independent: 879, independent conditional: 0, independent unconditional: 879, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 3252, unknown conditional: 0, unknown unconditional: 3252] , Statistics on independence cache: Total cache size (in pairs): 3252, Positive cache size: 3248, Positive conditional cache size: 0, Positive unconditional cache size: 3248, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1548 - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 89 for 11985ms.. - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 89 for 11985ms.. - TimeoutResultAtElement [Line: 109]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 89 for 11985ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 392 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 864.5s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 751.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 373, 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: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 110.0s InterpolantComputationTime, 4051 NumberOfCodeBlocks, 3787 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 5348 ConstructedInterpolants, 171 QuantifiedInterpolants, 92713 SizeOfPredicates, 170 NumberOfNonLiveVariables, 2886 ConjunctsInSsa, 331 ConjunctsInUnsatCore, 18 InterpolantComputations, 4 PerfectInterpolantSequences, 599/5219 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