/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 X --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 17:59:02,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 17:59:02,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 17:59:02,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-04 17:59:02,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 17:59:02,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 17:59:02,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 17:59:02,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 17:59:02,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 17:59:02,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 17:59:02,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 17:59:02,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 17:59:02,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 17:59:02,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 17:59:02,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 17:59:02,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 17:59:02,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-05-04 17:59:02,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 17:59:02,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 17:59:02,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 17:59:02,358 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 17:59:02,372 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 17:59:02,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 17:59:02,372 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 17:59:02,372 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 17:59:02,372 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 17:59:02,373 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 17:59:02,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 17:59:02,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 17:59:02,373 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 17:59:02,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 17:59:02,373 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 17:59:02,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 17:59:02,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 17:59:02,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 17:59:02,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 17:59:02,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 17:59:02,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 17:59:02,374 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 17:59:02,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 17:59:02,374 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 17:59:02,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 17:59:02,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 17:59:02,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 17:59:02,375 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 17:59:02,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 17:59:02,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 17:59:02,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 17:59:02,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 17:59:02,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 17:59:02,376 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 17:59:02,376 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 17:59:02,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 17:59:02,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 17:59:02,376 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 17:59:02,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 17:59:02,376 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 17:59:02,376 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-04 17:59:02,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 17:59:02,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 17:59:02,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 17:59:02,528 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 17:59:02,529 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 17:59:02,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c [2023-05-04 17:59:02,565 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3815c1c63/f5b6768e802949c2994446c8aa320347/FLAG40ea378b0 [2023-05-04 17:59:02,926 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 17:59:02,927 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c [2023-05-04 17:59:02,933 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3815c1c63/f5b6768e802949c2994446c8aa320347/FLAG40ea378b0 [2023-05-04 17:59:03,354 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3815c1c63/f5b6768e802949c2994446c8aa320347 [2023-05-04 17:59:03,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 17:59:03,357 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 17:59:03,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 17:59:03,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 17:59:03,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 17:59:03,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 05:59:03" (1/1) ... [2023-05-04 17:59:03,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@abdce11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:59:03, skipping insertion in model container [2023-05-04 17:59:03,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 05:59:03" (1/1) ... [2023-05-04 17:59:03,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 17:59:03,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 17:59:03,567 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/parallel-misc-2.wvr.c[2554,2567] [2023-05-04 17:59:03,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 17:59:03,576 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 17:59:03,600 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/parallel-misc-2.wvr.c[2554,2567] [2023-05-04 17:59:03,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 17:59:03,609 INFO L208 MainTranslator]: Completed translation [2023-05-04 17:59:03,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:59:03 WrapperNode [2023-05-04 17:59:03,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 17:59:03,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 17:59:03,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 17:59:03,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 17:59:03,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:59:03" (1/1) ... [2023-05-04 17:59:03,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:59:03" (1/1) ... [2023-05-04 17:59:03,632 INFO L138 Inliner]: procedures = 21, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2023-05-04 17:59:03,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 17:59:03,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 17:59:03,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 17:59:03,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 17:59:03,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:59:03" (1/1) ... [2023-05-04 17:59:03,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:59:03" (1/1) ... [2023-05-04 17:59:03,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:59:03" (1/1) ... [2023-05-04 17:59:03,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:59:03" (1/1) ... [2023-05-04 17:59:03,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:59:03" (1/1) ... [2023-05-04 17:59:03,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:59:03" (1/1) ... [2023-05-04 17:59:03,645 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:59:03" (1/1) ... [2023-05-04 17:59:03,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:59:03" (1/1) ... [2023-05-04 17:59:03,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 17:59:03,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 17:59:03,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 17:59:03,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 17:59:03,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:59:03" (1/1) ... [2023-05-04 17:59:03,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 17:59:03,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 17:59:03,674 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) [2023-05-04 17:59:03,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 17:59:03,700 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 17:59:03,700 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 17:59:03,700 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 17:59:03,700 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 17:59:03,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 17:59:03,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 17:59:03,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 17:59:03,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 17:59:03,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 17:59:03,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 17:59:03,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 17:59:03,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 17:59:03,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 17:59:03,702 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 17:59:03,705 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 [2023-05-04 17:59:03,756 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 17:59:03,757 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 17:59:03,907 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 17:59:03,922 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 17:59:03,922 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-04 17:59:03,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 05:59:03 BoogieIcfgContainer [2023-05-04 17:59:03,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 17:59:03,925 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 17:59:03,925 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 17:59:03,949 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 17:59:03,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 05:59:03" (1/3) ... [2023-05-04 17:59:03,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63aecc0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 05:59:03, skipping insertion in model container [2023-05-04 17:59:03,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:59:03" (2/3) ... [2023-05-04 17:59:03,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63aecc0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 05:59:03, skipping insertion in model container [2023-05-04 17:59:03,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 05:59:03" (3/3) ... [2023-05-04 17:59:03,951 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2.wvr.c [2023-05-04 17:59:03,956 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 17:59:03,962 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 17:59:03,962 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 17:59:03,962 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 17:59:04,014 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 17:59:04,041 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 17:59:04,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 17:59:04,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 17:59:04,042 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) [2023-05-04 17:59:04,056 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 [2023-05-04 17:59:04,083 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 17:59:04,102 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 17:59:04,112 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;@2e21a3d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 17:59:04,112 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 17:59:04,327 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 17:59:04,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:59:04,330 INFO L85 PathProgramCache]: Analyzing trace with hash 417793011, now seen corresponding path program 1 times [2023-05-04 17:59:04,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:59:04,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672319001] [2023-05-04 17:59:04,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:59:04,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:59:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:59:04,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 17:59:04,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:59:04,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672319001] [2023-05-04 17:59:04,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672319001] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 17:59:04,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 17:59:04,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 17:59:04,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427050170] [2023-05-04 17:59:04,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 17:59:04,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 17:59:04,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:59:04,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 17:59:04,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 17:59:04,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:59:04,530 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:59:04,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 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) [2023-05-04 17:59:04,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:59:04,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:59:04,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 17:59:04,582 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 17:59:04,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:59:04,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1079573508, now seen corresponding path program 1 times [2023-05-04 17:59:04,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:59:04,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116599006] [2023-05-04 17:59:04,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:59:04,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:59:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:59:05,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 17:59:05,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:59:05,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116599006] [2023-05-04 17:59:05,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116599006] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 17:59:05,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 17:59:05,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-04 17:59:05,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587090] [2023-05-04 17:59:05,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 17:59:05,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 17:59:05,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:59:05,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 17:59:05,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-05-04 17:59:05,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:59:05,034 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:59:05,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 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) [2023-05-04 17:59:05,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:59:05,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:59:05,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:59:05,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 17:59:05,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 17:59:05,183 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 17:59:05,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:59:05,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1472635858, now seen corresponding path program 1 times [2023-05-04 17:59:05,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:59:05,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3716858] [2023-05-04 17:59:05,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:59:05,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:59:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:59:05,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 17:59:05,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:59:05,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3716858] [2023-05-04 17:59:05,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3716858] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 17:59:05,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 17:59:05,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 17:59:05,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861950789] [2023-05-04 17:59:05,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 17:59:05,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 17:59:05,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:59:05,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 17:59:05,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-05-04 17:59:05,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:59:05,440 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:59:05,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 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) [2023-05-04 17:59:05,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:59:05,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 17:59:05,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:59:05,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:59:05,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 17:59:05,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 17:59:05,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 17:59:05,567 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 17:59:05,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:59:05,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1122038633, now seen corresponding path program 1 times [2023-05-04 17:59:05,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:59:05,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075118933] [2023-05-04 17:59:05,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:59:05,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:59:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:59:05,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 17:59:05,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:59:05,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075118933] [2023-05-04 17:59:05,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075118933] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 17:59:05,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 17:59:05,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 17:59:05,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153099906] [2023-05-04 17:59:05,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 17:59:05,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 17:59:05,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:59:05,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 17:59:05,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-05-04 17:59:05,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:59:05,751 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:59:05,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 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) [2023-05-04 17:59:05,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:59:05,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 17:59:05,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 17:59:05,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:59:05,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:59:05,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 17:59:05,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 17:59:05,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 17:59:05,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-04 17:59:05,895 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 17:59:05,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:59:05,896 INFO L85 PathProgramCache]: Analyzing trace with hash 2039604184, now seen corresponding path program 1 times [2023-05-04 17:59:05,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:59:05,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530325789] [2023-05-04 17:59:05,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:59:05,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:59:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:59:06,063 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 17:59:06,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:59:06,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530325789] [2023-05-04 17:59:06,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530325789] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 17:59:06,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 17:59:06,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 17:59:06,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736574458] [2023-05-04 17:59:06,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 17:59:06,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 17:59:06,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:59:06,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 17:59:06,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 17:59:06,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:59:06,065 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:59:06,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2023-05-04 17:59:06,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:59:06,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 17:59:06,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 17:59:06,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 17:59:06,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:59:06,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:59:06,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 17:59:06,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 17:59:06,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 17:59:06,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 17:59:06,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-04 17:59:06,095 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 17:59:06,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:59:06,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1587494939, now seen corresponding path program 1 times [2023-05-04 17:59:06,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:59:06,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133955828] [2023-05-04 17:59:06,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:59:06,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:59:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:59:06,526 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 17:59:06,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:59:06,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133955828] [2023-05-04 17:59:06,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133955828] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 17:59:06,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712568760] [2023-05-04 17:59:06,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:59:06,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:59:06,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 17:59:06,542 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) [2023-05-04 17:59:06,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 17:59:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:59:06,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 25 conjunts are in the unsatisfiable core [2023-05-04 17:59:06,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 17:59:07,203 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-04 17:59:07,204 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 18:07:15,969 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 18:07:15,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712568760] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 18:07:15,970 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 18:07:15,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 16] total 33 [2023-05-04 18:07:15,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948390018] [2023-05-04 18:07:15,970 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 18:07:15,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-05-04 18:07:15,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 18:07:15,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-05-04 18:07:15,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=901, Unknown=0, NotChecked=0, Total=1056 [2023-05-04 18:07:15,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:07:15,974 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 18:07:15,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.787878787878788) internal successors, (191), 33 states have internal predecessors, (191), 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) [2023-05-04 18:07:15,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:07:15,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 18:07:15,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:07:15,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:07:15,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 18:07:15,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:07:38,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:07:38,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 18:07:38,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:07:38,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:07:38,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 18:07:38,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 18:07:38,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 18:07:38,718 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,SelfDestructingSolverStorable5 [2023-05-04 18:07:38,719 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 18:07:38,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 18:07:38,719 INFO L85 PathProgramCache]: Analyzing trace with hash 693186574, now seen corresponding path program 2 times [2023-05-04 18:07:38,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 18:07:38,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65151572] [2023-05-04 18:07:38,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 18:07:38,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 18:07:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 18:07:38,961 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-05-04 18:07:38,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 18:07:38,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65151572] [2023-05-04 18:07:38,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65151572] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 18:07:38,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 18:07:38,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 18:07:38,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485724377] [2023-05-04 18:07:38,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 18:07:38,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 18:07:38,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 18:07:38,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 18:07:38,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 18:07:38,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:07:38,962 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 18:07:38,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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) [2023-05-04 18:07:38,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:07:38,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 18:07:38,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:07:38,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:07:38,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 18:07:38,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 18:07:38,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:07:39,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:07:39,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 18:07:39,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:07:39,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:07:39,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 18:07:39,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 18:07:39,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 18:07:39,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-05-04 18:07:39,016 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 18:07:39,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 18:07:39,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1406916654, now seen corresponding path program 1 times [2023-05-04 18:07:39,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 18:07:39,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489212596] [2023-05-04 18:07:39,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 18:07:39,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 18:07:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 18:07:39,775 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 33 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 18:07:39,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 18:07:39,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489212596] [2023-05-04 18:07:39,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489212596] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 18:07:39,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249887728] [2023-05-04 18:07:39,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 18:07:39,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 18:07:39,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 18:07:39,777 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) [2023-05-04 18:07:39,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 18:07:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 18:07:39,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 26 conjunts are in the unsatisfiable core [2023-05-04 18:07:39,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 18:07:40,221 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-04 18:07:40,221 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 18:07:40,388 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-04 18:07:40,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249887728] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 18:07:40,388 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 18:07:40,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 10, 10] total 30 [2023-05-04 18:07:40,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455598880] [2023-05-04 18:07:40,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 18:07:40,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-05-04 18:07:40,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 18:07:40,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-05-04 18:07:40,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=801, Unknown=0, NotChecked=0, Total=870 [2023-05-04 18:07:40,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:07:40,390 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 18:07:40,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 6.6) internal successors, (198), 30 states have internal predecessors, (198), 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) [2023-05-04 18:07:40,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:07:40,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 18:07:40,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:07:40,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:07:40,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 18:07:40,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 18:07:40,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 18:07:40,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:07:43,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:07:43,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 18:07:43,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:07:43,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:07:43,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 18:07:43,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 18:07:43,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 18:07:43,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-04 18:07:43,457 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 18:07:43,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 18:07:43,641 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 18:07:43,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 18:07:43,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1245068799, now seen corresponding path program 2 times [2023-05-04 18:07:43,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 18:07:43,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137270095] [2023-05-04 18:07:43,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 18:07:43,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 18:07:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 18:07:44,346 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 27 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 18:07:44,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 18:07:44,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137270095] [2023-05-04 18:07:44,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137270095] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 18:07:44,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786059931] [2023-05-04 18:07:44,346 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 18:07:44,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 18:07:44,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 18:07:44,348 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) [2023-05-04 18:07:44,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 18:07:45,113 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 18:07:45,113 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 18:07:45,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 27 conjunts are in the unsatisfiable core [2023-05-04 18:07:45,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 18:07:45,740 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 18:07:45,741 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 18:07:47,256 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 18:07:47,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786059931] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 18:07:47,256 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 18:07:47,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16, 16] total 48 [2023-05-04 18:07:47,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136339839] [2023-05-04 18:07:47,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 18:07:47,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-05-04 18:07:47,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 18:07:47,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-05-04 18:07:47,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=2063, Unknown=0, NotChecked=0, Total=2256 [2023-05-04 18:07:47,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:07:47,258 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 18:07:47,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 5.854166666666667) internal successors, (281), 48 states have internal predecessors, (281), 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) [2023-05-04 18:07:47,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:07:47,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 18:07:47,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:07:47,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:07:47,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 18:07:47,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 18:07:47,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 18:07:47,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-05-04 18:07:47,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:08:04,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:08:04,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 18:08:04,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:08:04,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:08:04,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 18:08:04,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 18:08:04,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 18:08:04,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 18:08:04,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-04 18:08:04,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 18:08:05,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 18:08:05,066 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 18:08:05,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 18:08:05,066 INFO L85 PathProgramCache]: Analyzing trace with hash -143421780, now seen corresponding path program 3 times [2023-05-04 18:08:05,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 18:08:05,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334003038] [2023-05-04 18:08:05,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 18:08:05,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 18:08:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 18:08:05,578 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 33 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-05-04 18:08:05,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 18:08:05,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334003038] [2023-05-04 18:08:05,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334003038] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 18:08:05,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1053621110] [2023-05-04 18:08:05,578 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 18:08:05,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 18:08:05,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 18:08:05,580 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) [2023-05-04 18:08:05,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 18:08:06,315 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-04 18:08:06,315 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 18:08:06,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 27 conjunts are in the unsatisfiable core [2023-05-04 18:08:06,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 18:08:06,871 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 33 proven. 137 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 18:08:06,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 18:08:21,258 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 33 proven. 137 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 18:08:21,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1053621110] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 18:08:21,259 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 18:08:21,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 16, 16] total 36 [2023-05-04 18:08:21,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640777018] [2023-05-04 18:08:21,259 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 18:08:21,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-05-04 18:08:21,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 18:08:21,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-05-04 18:08:21,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1140, Unknown=4, NotChecked=0, Total=1260 [2023-05-04 18:08:21,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:08:21,262 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 18:08:21,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 7.555555555555555) internal successors, (272), 36 states have internal predecessors, (272), 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) [2023-05-04 18:08:21,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:08:21,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 18:08:21,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:08:21,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:08:21,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 18:08:21,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 18:08:21,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 18:08:21,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 18:08:21,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-04 18:08:21,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:08:46,353 WARN L233 SmtUtils]: Spent 6.65s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 18:10:19,705 WARN L233 SmtUtils]: Spent 6.18s on a formula simplification. DAG size of input: 61 DAG size of output: 56 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 18:10:21,735 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (- |c_thread2Thread1of1ForFork1_#t~post4|)) (.cse2 (* (div c_~N~0 2147483648) 4294967296)) (.cse4 (- c_~i2~0)) (.cse3 (* c_~N~0 2))) (and (forall ((aux_mod_aux_mod_~N~0_21_32 Int)) (let ((.cse1 (* aux_mod_aux_mod_~N~0_21_32 2))) (or (< (+ aux_mod_aux_mod_~N~0_21_32 (* (div (+ .cse0 (- 4)) 4294967296) 2147483648)) (* (div (+ .cse0 .cse1 (- 4)) 4294967296) 2147483648)) (>= aux_mod_aux_mod_~N~0_21_32 2147483648) (<= .cse1 (mod (+ |c_thread2Thread1of1ForFork1_#t~post4| 2) 4294967296))))) (<= (+ .cse2 c_~i2~0 1) (+ .cse3 (* (div c_~i2~0 4294967296) 4294967296))) (forall ((aux_mod_aux_mod_~N~0_21_32 Int)) (let ((.cse5 (* aux_mod_aux_mod_~N~0_21_32 2))) (or (< (+ aux_mod_aux_mod_~N~0_21_32 (* (div (+ .cse4 (- 4)) 4294967296) 2147483648)) (* (div (+ .cse4 .cse5 (- 4)) 4294967296) 2147483648)) (<= .cse5 (mod (+ 2 c_~i2~0) 4294967296)) (>= aux_mod_aux_mod_~N~0_21_32 2147483648)))) (forall ((aux_mod_aux_mod_~N~0_21_32 Int) (aux_div_aux_mod_~N~0_21_32 Int)) (let ((.cse6 (* aux_mod_aux_mod_~N~0_21_32 2))) (or (<= 0 (+ (* (div (+ (- 2) .cse4 .cse6) 4294967296) 4294967296) (* aux_div_aux_mod_~N~0_21_32 4294967296) c_~i2~0 1)) (< (+ aux_mod_aux_mod_~N~0_21_32 (* aux_div_aux_mod_~N~0_21_32 2147483648)) 0) (<= .cse6 (mod c_~i2~0 4294967296)) (>= aux_mod_aux_mod_~N~0_21_32 2147483648)))) (<= c_~i1~0 (+ |c_thread2Thread1of1ForFork1_#t~post4| (* (div (+ c_~i1~0 (- 1) .cse0) 4294967296) 4294967296) 1)) (<= .cse2 (+ (* (div (+ (- 2) .cse3 .cse0) 4294967296) 4294967296) |c_thread2Thread1of1ForFork1_#t~post4| 1)) (<= c_~i1~0 (+ (* (div (+ c_~i1~0 (- 1) .cse4) 4294967296) 4294967296) c_~i2~0 1)) (<= .cse2 (+ (* (div (+ (- 2) .cse4 .cse3) 4294967296) 4294967296) c_~i2~0 1)))) is different from false [2023-05-04 18:10:43,033 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (* (div c_~i2~0 4294967296) 4294967296))) (let ((.cse3 (+ c_~i1~0 .cse1)) (.cse2 (+ c_~i2~0 (* 4294967296 (div c_~i1~0 4294967296)))) (.cse0 (- c_~i2~0))) (and (<= |c_thread1Thread1of1ForFork0_#t~post3| (+ (* (div (+ .cse0 |c_thread1Thread1of1ForFork0_#t~post3|) 4294967296) 4294967296) c_~i2~0)) (<= (+ (* (div c_~N~0 2147483648) 4294967296) c_~i2~0 1) (+ (* c_~N~0 2) .cse1)) (<= .cse2 .cse3) (<= .cse3 .cse2) (forall ((aux_mod_aux_mod_~N~0_21_32 Int)) (let ((.cse4 (* aux_mod_aux_mod_~N~0_21_32 2))) (or (<= .cse4 (mod (+ c_~i2~0 1) 4294967296)) (< (+ aux_mod_aux_mod_~N~0_21_32 (* (div (+ .cse0 (- 3)) 4294967296) 2147483648)) (* (div (+ .cse0 .cse4 (- 3)) 4294967296) 2147483648)) (>= aux_mod_aux_mod_~N~0_21_32 2147483648))))))) is different from false [2023-05-04 18:13:05,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 18:13:06,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:13:06,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 18:13:06,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:13:06,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:13:06,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 18:13:06,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 18:13:06,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 18:13:06,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 18:13:06,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-04 18:13:06,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-05-04 18:13:06,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 18:13:06,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-04 18:13:06,537 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 18:13:06,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 18:13:06,538 INFO L85 PathProgramCache]: Analyzing trace with hash -966272750, now seen corresponding path program 4 times [2023-05-04 18:13:06,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 18:13:06,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129211578] [2023-05-04 18:13:06,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 18:13:06,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 18:13:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 18:13:07,824 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 66 proven. 78 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2023-05-04 18:13:07,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 18:13:07,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129211578] [2023-05-04 18:13:07,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129211578] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 18:13:07,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479571717] [2023-05-04 18:13:07,825 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 18:13:07,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 18:13:07,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 18:13:07,833 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) [2023-05-04 18:13:07,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 18:13:12,169 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 18:13:12,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 18:13:12,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 90 conjunts are in the unsatisfiable core [2023-05-04 18:13:12,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 18:13:18,000 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 66 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 18:13:18,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2023-05-04 18:13:40,560 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 [2023-05-04 18:13:40,560 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 [2023-05-04 18:13:40,577 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 18:13:41,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 18:13:41,626 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 [2023-05-04 18:13:41,647 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 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown