/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 true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 03:17:13,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 03:17:13,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 03:17:13,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-04 03:17:13,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 03:17:13,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 03:17:13,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 03:17:13,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 03:17:13,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 03:17:13,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 03:17:13,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 03:17:13,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 03:17:13,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 03:17:13,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 03:17:13,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 03:17:13,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 03:17:13,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-05-04 03:17:13,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 03:17:13,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 03:17:13,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 03:17:13,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 03:17:13,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 03:17:13,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 03:17:13,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 03:17:13,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 03:17:13,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 03:17:13,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 03:17:13,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 03:17:13,385 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 03:17:13,413 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 03:17:13,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 03:17:13,414 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 03:17:13,414 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 03:17:13,415 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 03:17:13,415 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 03:17:13,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 03:17:13,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 03:17:13,415 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 03:17:13,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 03:17:13,416 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 03:17:13,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 03:17:13,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 03:17:13,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 03:17:13,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 03:17:13,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 03:17:13,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 03:17:13,417 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 03:17:13,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 03:17:13,417 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 03:17:13,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 03:17:13,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 03:17:13,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 03:17:13,418 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 03:17:13,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 03:17:13,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 03:17:13,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 03:17:13,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 03:17:13,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 03:17:13,418 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 03:17:13,418 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 03:17:13,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 03:17:13,419 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 03:17:13,419 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 03:17:13,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 03:17:13,419 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 03:17:13,419 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> true [2023-05-04 03:17:13,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 03:17:13,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 03:17:13,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 03:17:13,630 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 03:17:13,638 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 03:17:13,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c [2023-05-04 03:17:13,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/175861a20/1f11c69e06eb455dbb03dacfa574b131/FLAG5ac41c57e [2023-05-04 03:17:14,096 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 03:17:14,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c [2023-05-04 03:17:14,103 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/175861a20/1f11c69e06eb455dbb03dacfa574b131/FLAG5ac41c57e [2023-05-04 03:17:14,122 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/175861a20/1f11c69e06eb455dbb03dacfa574b131 [2023-05-04 03:17:14,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 03:17:14,131 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 03:17:14,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 03:17:14,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 03:17:14,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 03:17:14,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 03:17:14" (1/1) ... [2023-05-04 03:17:14,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab17c87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:17:14, skipping insertion in model container [2023-05-04 03:17:14,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 03:17:14" (1/1) ... [2023-05-04 03:17:14,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 03:17:14,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 03:17:14,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c[2681,2694] [2023-05-04 03:17:14,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 03:17:14,330 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 03:17:14,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c[2681,2694] [2023-05-04 03:17:14,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 03:17:14,378 INFO L208 MainTranslator]: Completed translation [2023-05-04 03:17:14,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:17:14 WrapperNode [2023-05-04 03:17:14,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 03:17:14,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 03:17:14,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 03:17:14,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 03:17:14,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:17:14" (1/1) ... [2023-05-04 03:17:14,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:17:14" (1/1) ... [2023-05-04 03:17:14,409 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 13, calls inlined = 15, statements flattened = 193 [2023-05-04 03:17:14,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 03:17:14,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 03:17:14,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 03:17:14,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 03:17:14,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:17:14" (1/1) ... [2023-05-04 03:17:14,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:17:14" (1/1) ... [2023-05-04 03:17:14,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:17:14" (1/1) ... [2023-05-04 03:17:14,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:17:14" (1/1) ... [2023-05-04 03:17:14,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:17:14" (1/1) ... [2023-05-04 03:17:14,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:17:14" (1/1) ... [2023-05-04 03:17:14,437 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:17:14" (1/1) ... [2023-05-04 03:17:14,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:17:14" (1/1) ... [2023-05-04 03:17:14,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 03:17:14,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 03:17:14,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 03:17:14,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 03:17:14,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:17:14" (1/1) ... [2023-05-04 03:17:14,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 03:17:14,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:17:14,470 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 03:17:14,485 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 03:17:14,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 03:17:14,511 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 03:17:14,511 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 03:17:14,511 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 03:17:14,511 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 03:17:14,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 03:17:14,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 03:17:14,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 03:17:14,511 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 03:17:14,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 03:17:14,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 03:17:14,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 03:17:14,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 03:17:14,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 03:17:14,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 03:17:14,513 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 03:17:14,601 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 03:17:14,603 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 03:17:14,896 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 03:17:15,063 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 03:17:15,063 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-05-04 03:17:15,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 03:17:15 BoogieIcfgContainer [2023-05-04 03:17:15,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 03:17:15,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 03:17:15,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 03:17:15,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 03:17:15,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 03:17:14" (1/3) ... [2023-05-04 03:17:15,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3230ba4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 03:17:15, skipping insertion in model container [2023-05-04 03:17:15,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:17:14" (2/3) ... [2023-05-04 03:17:15,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3230ba4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 03:17:15, skipping insertion in model container [2023-05-04 03:17:15,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 03:17:15" (3/3) ... [2023-05-04 03:17:15,072 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-counter-fun.wvr.c [2023-05-04 03:17:15,078 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 03:17:15,084 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 03:17:15,087 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 03:17:15,087 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 03:17:15,135 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 03:17:15,171 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 03:17:15,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 03:17:15,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:17:15,186 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 03:17:15,192 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 03:17:15,220 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 03:17:15,246 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 03:17:15,251 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;@64a2fc3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 03:17:15,252 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 03:17:15,437 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 03:17:15,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:17:15,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1170340563, now seen corresponding path program 1 times [2023-05-04 03:17:15,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:17:15,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466818121] [2023-05-04 03:17:15,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:17:15,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:17:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:17:15,714 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 03:17:15,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:17:15,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466818121] [2023-05-04 03:17:15,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466818121] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 03:17:15,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 03:17:15,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 03:17:15,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672945414] [2023-05-04 03:17:15,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 03:17:15,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 03:17:15,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:17:15,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 03:17:15,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 03:17:15,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:15,740 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:17:15,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 58.5) internal successors, (117), 2 states have internal predecessors, (117), 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 03:17:15,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:15,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:15,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 03:17:15,810 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 03:17:15,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:17:15,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1242283064, now seen corresponding path program 1 times [2023-05-04 03:17:15,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:17:15,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049517774] [2023-05-04 03:17:15,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:17:15,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:17:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:17:16,055 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 03:17:16,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:17:16,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049517774] [2023-05-04 03:17:16,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049517774] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 03:17:16,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 03:17:16,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 03:17:16,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046621729] [2023-05-04 03:17:16,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 03:17:16,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 03:17:16,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:17:16,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 03:17:16,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-05-04 03:17:16,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:16,059 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:17:16,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 6 states have internal predecessors, (121), 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 03:17:16,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:16,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:16,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:16,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:17:16,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 03:17:16,170 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 03:17:16,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:17:16,170 INFO L85 PathProgramCache]: Analyzing trace with hash -62614658, now seen corresponding path program 1 times [2023-05-04 03:17:16,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:17:16,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873900511] [2023-05-04 03:17:16,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:17:16,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:17:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:17:16,479 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 03:17:16,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:17:16,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873900511] [2023-05-04 03:17:16,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873900511] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 03:17:16,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 03:17:16,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-04 03:17:16,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383354872] [2023-05-04 03:17:16,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 03:17:16,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 03:17:16,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:17:16,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 03:17:16,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-05-04 03:17:16,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:16,485 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:17:16,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 7 states have internal predecessors, (128), 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 03:17:16,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:16,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:17:16,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:16,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:16,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:17:16,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:17:16,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 03:17:16,577 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 03:17:16,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:17:16,577 INFO L85 PathProgramCache]: Analyzing trace with hash -693570029, now seen corresponding path program 1 times [2023-05-04 03:17:16,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:17:16,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865341022] [2023-05-04 03:17:16,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:17:16,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:17:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:17:16,748 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 03:17:16,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:17:16,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865341022] [2023-05-04 03:17:16,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865341022] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 03:17:16,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 03:17:16,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 03:17:16,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307458305] [2023-05-04 03:17:16,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 03:17:16,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 03:17:16,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:17:16,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 03:17:16,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 03:17:16,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:16,753 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:17:16,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 6 states have internal predecessors, (138), 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 03:17:16,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:16,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:17:16,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:17:16,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:16,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:16,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:17:16,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:17:16,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:17:16,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-04 03:17:16,813 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 03:17:16,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:17:16,814 INFO L85 PathProgramCache]: Analyzing trace with hash -632264144, now seen corresponding path program 1 times [2023-05-04 03:17:16,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:17:16,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742267166] [2023-05-04 03:17:16,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:17:16,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:17:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:17:17,021 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 03:17:17,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:17:17,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742267166] [2023-05-04 03:17:17,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742267166] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:17:17,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874295894] [2023-05-04 03:17:17,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:17:17,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:17:17,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:17:17,026 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 03:17:17,081 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 03:17:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:17:17,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-04 03:17:17,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:17:17,331 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 03:17:17,331 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:17:17,417 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-04 03:17:17,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874295894] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:17:17,418 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:17:17,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 19 [2023-05-04 03:17:17,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76189620] [2023-05-04 03:17:17,419 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:17:17,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-04 03:17:17,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:17:17,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-04 03:17:17,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2023-05-04 03:17:17,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:17,421 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:17:17,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.736842105263158) internal successors, (185), 19 states have internal predecessors, (185), 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 03:17:17,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:17,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:17:17,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:17:17,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:17:17,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:17,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:17,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:17:17,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:17:17,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:17:17,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-04 03:17:17,935 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 03:17:18,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:17:18,109 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 03:17:18,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:17:18,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1805653256, now seen corresponding path program 2 times [2023-05-04 03:17:18,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:17:18,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330058505] [2023-05-04 03:17:18,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:17:18,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:17:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:17:18,526 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-05-04 03:17:18,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:17:18,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330058505] [2023-05-04 03:17:18,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330058505] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:17:18,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354450689] [2023-05-04 03:17:18,526 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 03:17:18,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:17:18,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:17:18,527 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 03:17:18,569 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 03:17:18,652 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 03:17:18,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 03:17:18,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-04 03:17:18,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:17:18,964 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 23 proven. 50 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 03:17:18,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:17:19,086 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-05-04 03:17:19,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354450689] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:17:19,086 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:17:19,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19, 8] total 34 [2023-05-04 03:17:19,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972744980] [2023-05-04 03:17:19,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:17:19,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-05-04 03:17:19,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:17:19,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-05-04 03:17:19,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=959, Unknown=0, NotChecked=0, Total=1122 [2023-05-04 03:17:19,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:19,091 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:17:19,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 6.794117647058823) internal successors, (231), 34 states have internal predecessors, (231), 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 03:17:19,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:19,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:17:19,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:17:19,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:17:19,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-04 03:17:19,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:20,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:20,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:17:20,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:17:20,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:17:20,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 03:17:20,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-04 03:17:20,287 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 03:17:20,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:17:20,470 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 03:17:20,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:17:20,471 INFO L85 PathProgramCache]: Analyzing trace with hash -680726686, now seen corresponding path program 3 times [2023-05-04 03:17:20,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:17:20,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109786044] [2023-05-04 03:17:20,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:17:20,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:17:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:17:22,682 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-05-04 03:17:22,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:17:22,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109786044] [2023-05-04 03:17:22,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109786044] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:17:22,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024028751] [2023-05-04 03:17:22,683 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 03:17:22,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:17:22,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:17:22,685 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 03:17:22,701 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 03:17:22,805 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-05-04 03:17:22,805 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 03:17:22,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-04 03:17:22,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:17:23,064 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 10 [2023-05-04 03:17:23,097 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2023-05-04 03:17:23,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:17:23,125 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 12 [2023-05-04 03:17:23,387 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2023-05-04 03:17:23,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024028751] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:17:23,388 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:17:23,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 11, 11] total 43 [2023-05-04 03:17:23,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014376238] [2023-05-04 03:17:23,388 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:17:23,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-05-04 03:17:23,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:17:23,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-05-04 03:17:23,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=1620, Unknown=0, NotChecked=0, Total=1806 [2023-05-04 03:17:23,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:23,390 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:17:23,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 6.767441860465116) internal successors, (291), 43 states have internal predecessors, (291), 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 03:17:23,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:23,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:17:23,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:17:23,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:17:23,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 03:17:23,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-04 03:17:23,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:24,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:24,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:17:24,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:17:24,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:17:24,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 03:17:24,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-04 03:17:24,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-04 03:17:24,129 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 03:17:24,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:17:24,294 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 03:17:24,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:17:24,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1225023956, now seen corresponding path program 4 times [2023-05-04 03:17:24,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:17:24,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343672865] [2023-05-04 03:17:24,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:17:24,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:17:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:17:33,553 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 25 proven. 187 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-05-04 03:17:33,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:17:33,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343672865] [2023-05-04 03:17:33,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343672865] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:17:33,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515631455] [2023-05-04 03:17:33,554 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 03:17:33,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:17:33,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:17:33,556 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 03:17:33,574 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 03:17:33,716 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 03:17:33,716 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 03:17:33,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 124 conjunts are in the unsatisfiable core [2023-05-04 03:17:33,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:17:36,399 INFO L356 Elim1Store]: treesize reduction 170, result has 21.7 percent of original size [2023-05-04 03:17:36,399 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 431 treesize of output 119 [2023-05-04 03:17:36,451 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 78 proven. 104 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-05-04 03:17:36,451 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:17:43,411 INFO L356 Elim1Store]: treesize reduction 1055, result has 12.8 percent of original size [2023-05-04 03:17:43,411 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 31 new quantified variables, introduced 120 case distinctions, treesize of input 2070 treesize of output 368 [2023-05-04 03:17:44,840 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 6 proven. 236 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:17:44,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515631455] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:17:44,840 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:17:44,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 27, 35] total 99 [2023-05-04 03:17:44,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558296624] [2023-05-04 03:17:44,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:17:44,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2023-05-04 03:17:44,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:17:44,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2023-05-04 03:17:44,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1397, Invalid=8305, Unknown=0, NotChecked=0, Total=9702 [2023-05-04 03:17:44,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:44,845 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:17:44,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 5.262626262626263) internal successors, (521), 99 states have internal predecessors, (521), 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 03:17:44,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:44,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:17:44,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:17:44,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:17:44,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 03:17:44,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-04 03:17:44,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-04 03:17:44,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:56,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:56,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:17:56,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:17:56,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:17:56,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 03:17:56,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-04 03:17:56,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-04 03:17:56,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 03:17:56,231 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 03:17:56,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:17:56,415 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 03:17:56,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:17:56,415 INFO L85 PathProgramCache]: Analyzing trace with hash -458817301, now seen corresponding path program 5 times [2023-05-04 03:17:56,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:17:56,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976403018] [2023-05-04 03:17:56,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:17:56,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:17:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:17:56,841 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 101 proven. 52 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-05-04 03:17:56,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:17:56,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976403018] [2023-05-04 03:17:56,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976403018] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:17:56,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470173835] [2023-05-04 03:17:56,842 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 03:17:56,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:17:56,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:17:56,843 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 03:17:56,844 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 03:17:57,029 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2023-05-04 03:17:57,029 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 03:17:57,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 32 conjunts are in the unsatisfiable core [2023-05-04 03:17:57,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:17:57,597 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 50 proven. 220 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-05-04 03:17:57,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:17:57,828 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 58 proven. 66 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-05-04 03:17:57,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470173835] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:17:57,829 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:17:57,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 33, 12] total 52 [2023-05-04 03:17:57,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839815780] [2023-05-04 03:17:57,829 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:17:57,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-05-04 03:17:57,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:17:57,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-05-04 03:17:57,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=2407, Unknown=0, NotChecked=0, Total=2652 [2023-05-04 03:17:57,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:57,831 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:17:57,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 5.461538461538462) internal successors, (284), 52 states have internal predecessors, (284), 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 03:17:57,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:17:57,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:17:57,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:17:57,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:17:57,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 03:17:57,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-04 03:17:57,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-04 03:17:57,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 03:17:57,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:18:00,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:18:00,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 03:18:00,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:18:00,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:18:00,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 03:18:00,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-04 03:18:00,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-04 03:18:00,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-04 03:18:00,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-05-04 03:18:00,067 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 03:18:00,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:18:00,251 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 03:18:00,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:18:00,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1618091915, now seen corresponding path program 6 times [2023-05-04 03:18:00,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:18:00,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116114485] [2023-05-04 03:18:00,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:18:00,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:18:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:18:10,063 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 15 proven. 293 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-04 03:18:10,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:18:10,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116114485] [2023-05-04 03:18:10,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116114485] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:18:10,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561868098] [2023-05-04 03:18:10,064 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 03:18:10,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:18:10,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:18:10,065 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 03:18:10,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 03:18:10,584 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2023-05-04 03:18:10,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 03:18:10,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 108 conjunts are in the unsatisfiable core [2023-05-04 03:18:10,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:18:11,157 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-05-04 03:18:11,380 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 03:18:11,440 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 03:18:12,662 INFO L356 Elim1Store]: treesize reduction 12, result has 81.5 percent of original size [2023-05-04 03:18:12,663 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 81 [2023-05-04 03:18:12,701 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 73 proven. 155 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-05-04 03:18:12,702 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:18:15,224 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_~counter~0_237 Int) (v_ArrVal_278 (Array Int Int)) (v_ArrVal_277 (Array Int Int)) (~f~0.base Int) (~f_inv~0.offset Int)) (let ((.cse7 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_277) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_278))) (let ((.cse5 (select .cse7 c_~f_inv~0.base)) (.cse6 (select .cse7 ~f~0.base))) (let ((.cse4 (select .cse5 (+ (* (select .cse6 (+ c_~f~0.offset (* v_~counter~0_237 4))) 4) ~f_inv~0.offset)))) (let ((.cse0 (select .cse5 (+ ~f_inv~0.offset (* (select .cse6 (+ c_~f~0.offset (* 4 .cse4))) 4))))) (let ((.cse2 (select .cse5 (+ ~f_inv~0.offset (* (select .cse6 (+ c_~f~0.offset (* (select .cse5 (+ (* (select .cse6 (+ c_~f~0.offset (* .cse0 4))) 4) ~f_inv~0.offset)) 4))) 4))))) (let ((.cse1 (select .cse6 (+ c_~f~0.offset (* (select .cse5 (+ (* .cse2 4) ~f_inv~0.offset)) 4)))) (.cse3 (select .cse5 (+ ~f_inv~0.offset (* (select .cse6 (+ (* c_~counter~0 4) c_~f~0.offset)) 4))))) (or (not (<= 0 .cse0)) (= .cse1 0) (not (= .cse2 .cse1)) (not (= c_~counter~0 .cse3)) (not (= v_~counter~0_237 .cse4)) (not (<= v_~counter~0_237 .cse3)))))))))) is different from false [2023-05-04 03:18:15,343 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_~counter~0_237 Int) (v_ArrVal_278 (Array Int Int)) (v_ArrVal_277 (Array Int Int)) (~f~0.base Int) (~f_inv~0.offset Int)) (let ((.cse7 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_277) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_278))) (let ((.cse6 (select .cse7 |c_ULTIMATE.start_main_#t~ret19#1.base|)) (.cse5 (select .cse7 ~f~0.base))) (let ((.cse3 (select .cse6 (+ (* (select .cse5 (+ c_~f~0.offset (* v_~counter~0_237 4))) 4) ~f_inv~0.offset)))) (let ((.cse2 (select .cse6 (+ ~f_inv~0.offset (* (select .cse5 (+ c_~f~0.offset (* .cse3 4))) 4))))) (let ((.cse4 (select .cse6 (+ (* 4 (select .cse5 (+ c_~f~0.offset (* (select .cse6 (+ ~f_inv~0.offset (* (select .cse5 (+ c_~f~0.offset (* 4 .cse2))) 4))) 4)))) ~f_inv~0.offset)))) (let ((.cse1 (select .cse6 (+ ~f_inv~0.offset (* (select .cse5 (+ (* c_~counter~0 4) c_~f~0.offset)) 4)))) (.cse0 (select .cse5 (+ c_~f~0.offset (* (select .cse6 (+ (* .cse4 4) ~f_inv~0.offset)) 4))))) (or (= .cse0 0) (not (<= v_~counter~0_237 .cse1)) (not (= .cse1 c_~counter~0)) (not (<= 0 .cse2)) (not (= v_~counter~0_237 .cse3)) (not (= .cse0 .cse4)))))))))) is different from false [2023-05-04 03:18:15,614 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_~counter~0_237 Int) (v_ArrVal_278 (Array Int Int)) (v_ArrVal_277 (Array Int Int)) (~f~0.base Int) (~f_inv~0.offset Int)) (let ((.cse7 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_277) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_278))) (let ((.cse6 (select .cse7 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse5 (select .cse7 ~f~0.base))) (let ((.cse0 (select .cse6 (+ (* (select .cse5 (+ c_~f~0.offset (* v_~counter~0_237 4))) 4) ~f_inv~0.offset)))) (let ((.cse4 (select .cse6 (+ (* (select .cse5 (+ c_~f~0.offset (* .cse0 4))) 4) ~f_inv~0.offset)))) (let ((.cse2 (select .cse6 (+ (* (select .cse5 (+ c_~f~0.offset (* (select .cse6 (+ (* (select .cse5 (+ c_~f~0.offset (* .cse4 4))) 4) ~f_inv~0.offset)) 4))) 4) ~f_inv~0.offset)))) (let ((.cse1 (select .cse6 (+ ~f_inv~0.offset (* (select .cse5 (+ (* c_~counter~0 4) c_~f~0.offset)) 4)))) (.cse3 (select .cse5 (+ c_~f~0.offset (* (select .cse6 (+ (* .cse2 4) ~f_inv~0.offset)) 4))))) (or (not (= v_~counter~0_237 .cse0)) (not (<= v_~counter~0_237 .cse1)) (not (= .cse1 c_~counter~0)) (not (= .cse2 .cse3)) (not (<= 0 .cse4)) (= .cse3 0))))))))) is different from false [2023-05-04 03:18:15,777 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:18:15,777 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 1012 treesize of output 568 Received shutdown request... [2023-05-04 03:31:40,603 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 03:31:40,603 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 03:31:40,604 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 03:31:41,315 WARN L249 SmtUtils]: Removed 400 from assertion stack [2023-05-04 03:31:41,318 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 03:31:41,324 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-05-04 03:31:41,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:31:41,519 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 232 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 2069 for 805506ms.. [2023-05-04 03:31:41,520 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 03:31:41,520 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 03:31:41,537 INFO L444 BasicCegarLoop]: Path program histogram: [6, 1, 1, 1, 1] [2023-05-04 03:31:41,540 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 03:31:41,540 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 03:31:41,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 03:31:41 BasicIcfg [2023-05-04 03:31:41,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 03:31:41,555 INFO L158 Benchmark]: Toolchain (without parser) took 867423.90ms. Allocated memory was 185.6MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 156.3MB in the beginning and 993.2MB in the end (delta: -836.9MB). Peak memory consumption was 743.5MB. Max. memory is 8.0GB. [2023-05-04 03:31:41,555 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 185.6MB. Free memory was 141.4MB in the beginning and 141.3MB in the end (delta: 65.7kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 03:31:41,556 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.13ms. Allocated memory was 185.6MB in the beginning and 234.9MB in the end (delta: 49.3MB). Free memory was 156.1MB in the beginning and 200.9MB in the end (delta: -44.8MB). Peak memory consumption was 8.0MB. Max. memory is 8.0GB. [2023-05-04 03:31:41,556 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.29ms. Allocated memory is still 234.9MB. Free memory was 200.9MB in the beginning and 198.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 03:31:41,556 INFO L158 Benchmark]: Boogie Preprocessor took 29.87ms. Allocated memory is still 234.9MB. Free memory was 198.6MB in the beginning and 196.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 03:31:41,556 INFO L158 Benchmark]: RCFGBuilder took 625.33ms. Allocated memory is still 234.9MB. Free memory was 196.8MB in the beginning and 162.8MB in the end (delta: 34.0MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2023-05-04 03:31:41,556 INFO L158 Benchmark]: TraceAbstraction took 866487.07ms. Allocated memory was 234.9MB in the beginning and 1.2GB in the end (delta: 973.1MB). Free memory was 161.4MB in the beginning and 993.2MB in the end (delta: -831.8MB). Peak memory consumption was 699.9MB. Max. memory is 8.0GB. [2023-05-04 03:31:41,557 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 185.6MB. Free memory was 141.4MB in the beginning and 141.3MB in the end (delta: 65.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 246.13ms. Allocated memory was 185.6MB in the beginning and 234.9MB in the end (delta: 49.3MB). Free memory was 156.1MB in the beginning and 200.9MB in the end (delta: -44.8MB). Peak memory consumption was 8.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.29ms. Allocated memory is still 234.9MB. Free memory was 200.9MB in the beginning and 198.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.87ms. Allocated memory is still 234.9MB. Free memory was 198.6MB in the beginning and 196.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 625.33ms. Allocated memory is still 234.9MB. Free memory was 196.8MB in the beginning and 162.8MB in the end (delta: 34.0MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * TraceAbstraction took 866487.07ms. Allocated memory was 234.9MB in the beginning and 1.2GB in the end (delta: 973.1MB). Free memory was 161.4MB in the beginning and 993.2MB in the end (delta: -831.8MB). Peak memory consumption was 699.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3565, independent: 2992, independent conditional: 2347, independent unconditional: 645, dependent: 573, dependent conditional: 565, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3009, independent: 2992, independent conditional: 2347, independent unconditional: 645, dependent: 17, dependent conditional: 9, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3009, independent: 2992, independent conditional: 2347, independent unconditional: 645, dependent: 17, dependent conditional: 9, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3047, independent: 2992, independent conditional: 0, independent unconditional: 2992, dependent: 55, dependent conditional: 38, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3047, independent: 2992, independent conditional: 0, independent unconditional: 2992, dependent: 55, dependent conditional: 19, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3047, independent: 2992, independent conditional: 0, independent unconditional: 2992, dependent: 55, dependent conditional: 19, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 604, independent: 591, independent conditional: 0, independent unconditional: 591, dependent: 13, dependent conditional: 5, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 604, independent: 590, independent conditional: 0, independent unconditional: 590, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 14, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 13, dependent conditional: 5, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 13, dependent conditional: 5, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 157, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 130, dependent conditional: 45, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3047, independent: 2401, independent conditional: 0, independent unconditional: 2401, dependent: 42, dependent conditional: 14, dependent unconditional: 28, unknown: 604, unknown conditional: 5, unknown unconditional: 599] , Statistics on independence cache: Total cache size (in pairs): 604, Positive cache size: 591, Positive conditional cache size: 0, Positive unconditional cache size: 591, Negative cache size: 13, Negative conditional cache size: 5, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 19, Maximal queried relation: 6, Independence queries for same thread: 556 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 175, Number of trivial persistent sets: 155, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 653, independent: 645, independent conditional: 0, independent unconditional: 645, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3565, independent: 2992, independent conditional: 2347, independent unconditional: 645, dependent: 573, dependent conditional: 565, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3009, independent: 2992, independent conditional: 2347, independent unconditional: 645, dependent: 17, dependent conditional: 9, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3009, independent: 2992, independent conditional: 2347, independent unconditional: 645, dependent: 17, dependent conditional: 9, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3047, independent: 2992, independent conditional: 0, independent unconditional: 2992, dependent: 55, dependent conditional: 38, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3047, independent: 2992, independent conditional: 0, independent unconditional: 2992, dependent: 55, dependent conditional: 19, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3047, independent: 2992, independent conditional: 0, independent unconditional: 2992, dependent: 55, dependent conditional: 19, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 604, independent: 591, independent conditional: 0, independent unconditional: 591, dependent: 13, dependent conditional: 5, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 604, independent: 590, independent conditional: 0, independent unconditional: 590, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 14, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 13, dependent conditional: 5, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 13, dependent conditional: 5, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 157, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 130, dependent conditional: 45, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3047, independent: 2401, independent conditional: 0, independent unconditional: 2401, dependent: 42, dependent conditional: 14, dependent unconditional: 28, unknown: 604, unknown conditional: 5, unknown unconditional: 599] , Statistics on independence cache: Total cache size (in pairs): 604, Positive cache size: 591, Positive conditional cache size: 0, Positive unconditional cache size: 591, Negative cache size: 13, Negative conditional cache size: 5, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 19, Maximal queried relation: 6, Independence queries for same thread: 556 - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 232 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 2069 for 805506ms.. - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 232 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 2069 for 805506ms.. - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 232 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 2069 for 805506ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 173 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 866.3s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 16.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 312, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 26.0s InterpolantComputationTime, 2417 NumberOfCodeBlocks, 2337 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 3353 ConstructedInterpolants, 0 QuantifiedInterpolants, 76248 SizeOfPredicates, 119 NumberOfNonLiveVariables, 2164 ConjunctsInSsa, 198 ConjunctsInUnsatCore, 19 InterpolantComputations, 4 PerfectInterpolantSequences, 1396/2586 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown