/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 50 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 18:30:25,248 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 18:30:25,311 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 18:30:25,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 18:30:25,317 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 18:30:25,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 18:30:25,340 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 18:30:25,340 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 18:30:25,340 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 18:30:25,343 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 18:30:25,344 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 18:30:25,344 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 18:30:25,344 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 18:30:25,345 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 18:30:25,345 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 18:30:25,345 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 18:30:25,346 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 18:30:25,346 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 18:30:25,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 18:30:25,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 18:30:25,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 18:30:25,346 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 18:30:25,347 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 18:30:25,347 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 18:30:25,347 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 18:30:25,347 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 18:30:25,347 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 18:30:25,347 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 18:30:25,347 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 18:30:25,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 18:30:25,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 18:30:25,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 18:30:25,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 18:30:25,349 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 18:30:25,349 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 18:30:25,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 18:30:25,349 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 18:30:25,349 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 18:30:25,349 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 18:30:25,349 INFO L153 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 50 [2024-04-05 18:30:25,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 18:30:25,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 18:30:25,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 18:30:25,547 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 18:30:25,548 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 18:30:25,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i [2024-04-05 18:30:26,599 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 18:30:26,784 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 18:30:26,785 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i [2024-04-05 18:30:26,800 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d14900cf1/3b2b1da5b04845c59a814089115bc38e/FLAGc56206fae [2024-04-05 18:30:26,810 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d14900cf1/3b2b1da5b04845c59a814089115bc38e [2024-04-05 18:30:26,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 18:30:26,812 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 18:30:26,813 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 18:30:26,813 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 18:30:26,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 18:30:26,820 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 06:30:26" (1/1) ... [2024-04-05 18:30:26,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4412424a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:30:26, skipping insertion in model container [2024-04-05 18:30:26,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 06:30:26" (1/1) ... [2024-04-05 18:30:26,857 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 18:30:27,044 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30451,30464] [2024-04-05 18:30:27,050 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30681,30694] [2024-04-05 18:30:27,053 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30979,30992] [2024-04-05 18:30:27,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 18:30:27,072 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 18:30:27,098 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30451,30464] [2024-04-05 18:30:27,100 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30681,30694] [2024-04-05 18:30:27,101 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30979,30992] [2024-04-05 18:30:27,104 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 18:30:27,131 INFO L206 MainTranslator]: Completed translation [2024-04-05 18:30:27,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:30:27 WrapperNode [2024-04-05 18:30:27,131 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 18:30:27,143 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 18:30:27,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 18:30:27,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 18:30:27,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:30:27" (1/1) ... [2024-04-05 18:30:27,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:30:27" (1/1) ... [2024-04-05 18:30:27,206 INFO L138 Inliner]: procedures = 169, calls = 38, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 147 [2024-04-05 18:30:27,206 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 18:30:27,207 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 18:30:27,207 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 18:30:27,207 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 18:30:27,214 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:30:27" (1/1) ... [2024-04-05 18:30:27,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:30:27" (1/1) ... [2024-04-05 18:30:27,230 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:30:27" (1/1) ... [2024-04-05 18:30:27,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:30:27" (1/1) ... [2024-04-05 18:30:27,234 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:30:27" (1/1) ... [2024-04-05 18:30:27,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:30:27" (1/1) ... [2024-04-05 18:30:27,238 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:30:27" (1/1) ... [2024-04-05 18:30:27,239 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:30:27" (1/1) ... [2024-04-05 18:30:27,241 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 18:30:27,241 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 18:30:27,241 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 18:30:27,241 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 18:30:27,242 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:30:27" (1/1) ... [2024-04-05 18:30:27,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 18:30:27,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 18:30:27,286 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-05 18:30:27,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-05 18:30:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 18:30:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-04-05 18:30:27,335 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-04-05 18:30:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-04-05 18:30:27,337 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-04-05 18:30:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 18:30:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-04-05 18:30:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 18:30:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 18:30:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 18:30:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-04-05 18:30:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 18:30:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-04-05 18:30:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 18:30:27,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 18:30:27,339 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 18:30:27,482 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 18:30:27,483 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 18:30:27,679 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 18:30:27,695 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 18:30:27,695 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-04-05 18:30:27,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 06:30:27 BoogieIcfgContainer [2024-04-05 18:30:27,702 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 18:30:27,705 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 18:30:27,706 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 18:30:27,708 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 18:30:27,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 06:30:26" (1/3) ... [2024-04-05 18:30:27,709 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e613701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 06:30:27, skipping insertion in model container [2024-04-05 18:30:27,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:30:27" (2/3) ... [2024-04-05 18:30:27,710 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e613701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 06:30:27, skipping insertion in model container [2024-04-05 18:30:27,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 06:30:27" (3/3) ... [2024-04-05 18:30:27,711 INFO L112 eAbstractionObserver]: Analyzing ICFG circular_buffer_ok.i [2024-04-05 18:30:27,718 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 18:30:27,725 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 18:30:27,725 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-04-05 18:30:27,726 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 18:30:27,794 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-05 18:30:27,839 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 18:30:27,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 18:30:27,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 18:30:27,841 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-05 18:30:27,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-05 18:30:27,870 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 18:30:27,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 18:30:27,881 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 18:30:27,886 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=LoopHeads, 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;@12ae6cf6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=50, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-05 18:30:27,886 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-04-05 18:30:28,277 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-05 18:30:28,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 18:30:28,279 INFO L85 PathProgramCache]: Analyzing trace with hash 122964632, now seen corresponding path program 1 times [2024-04-05 18:30:28,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 18:30:28,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287418579] [2024-04-05 18:30:28,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 18:30:28,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 18:30:28,500 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-05 18:30:28,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [267368107] [2024-04-05 18:30:28,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 18:30:28,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 18:30:28,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 18:30:28,534 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 18:30:28,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 18:30:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 18:30:28,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-05 18:30:28,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 18:30:28,712 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-05 18:30:28,712 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-05 18:30:28,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 18:30:28,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287418579] [2024-04-05 18:30:28,713 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-05 18:30:28,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267368107] [2024-04-05 18:30:28,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [267368107] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 18:30:28,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 18:30:28,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-05 18:30:28,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361741859] [2024-04-05 18:30:28,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 18:30:28,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-05 18:30:28,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 18:30:28,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-05 18:30:28,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-04-05 18:30:28,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:30:28,741 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 18:30:28,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.166666666666668) internal successors, (127), 6 states have internal predecessors, (127), 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) [2024-04-05 18:30:28,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:30:28,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 18:30:28,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-05 18:30:29,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-04-05 18:30:29,110 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-05 18:30:29,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 18:30:29,110 INFO L85 PathProgramCache]: Analyzing trace with hash 740785729, now seen corresponding path program 1 times [2024-04-05 18:30:29,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 18:30:29,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083453816] [2024-04-05 18:30:29,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 18:30:29,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 18:30:29,160 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-05 18:30:29,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [915809180] [2024-04-05 18:30:29,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 18:30:29,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 18:30:29,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 18:30:29,165 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 18:30:29,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 18:30:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 18:30:29,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjunts are in the unsatisfiable core [2024-04-05 18:30:29,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 18:30:29,792 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 18:30:29,793 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-05 18:30:29,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 18:30:29,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083453816] [2024-04-05 18:30:29,793 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-05 18:30:29,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915809180] [2024-04-05 18:30:29,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915809180] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 18:30:29,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 18:30:29,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-05 18:30:29,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724720843] [2024-04-05 18:30:29,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 18:30:29,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-05 18:30:29,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 18:30:29,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-05 18:30:29,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-04-05 18:30:29,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:30:29,800 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 18:30:29,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 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) [2024-04-05 18:30:29,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 18:30:29,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:30:30,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 18:30:30,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 18:30:30,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-05 18:30:30,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 18:30:30,318 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-05 18:30:30,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 18:30:30,319 INFO L85 PathProgramCache]: Analyzing trace with hash 407417983, now seen corresponding path program 1 times [2024-04-05 18:30:30,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 18:30:30,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932324754] [2024-04-05 18:30:30,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 18:30:30,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 18:30:30,362 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-05 18:30:30,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [525444367] [2024-04-05 18:30:30,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 18:30:30,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 18:30:30,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 18:30:30,371 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 18:30:30,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 18:30:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 18:30:30,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 3 conjunts are in the unsatisfiable core [2024-04-05 18:30:30,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 18:30:30,779 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-05 18:30:30,779 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-05 18:30:30,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 18:30:30,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932324754] [2024-04-05 18:30:30,780 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-05 18:30:30,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525444367] [2024-04-05 18:30:30,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525444367] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 18:30:30,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 18:30:30,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-05 18:30:30,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606416071] [2024-04-05 18:30:30,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 18:30:30,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-05 18:30:30,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 18:30:30,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-05 18:30:30,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-04-05 18:30:30,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:30:30,790 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 18:30:30,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 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) [2024-04-05 18:30:30,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 18:30:30,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 18:30:30,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:30:30,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 18:30:30,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 18:30:30,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:30:30,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-05 18:30:31,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 18:30:31,074 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-05 18:30:31,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 18:30:31,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1464603986, now seen corresponding path program 1 times [2024-04-05 18:30:31,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 18:30:31,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389884042] [2024-04-05 18:30:31,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 18:30:31,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 18:30:31,135 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-05 18:30:31,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1850340333] [2024-04-05 18:30:31,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 18:30:31,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 18:30:31,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 18:30:31,137 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 18:30:31,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-05 18:30:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 18:30:31,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 3 conjunts are in the unsatisfiable core [2024-04-05 18:30:31,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 18:30:31,306 INFO L378 Elim1Store]: Elim1 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 [2024-04-05 18:30:31,319 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 264 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-04-05 18:30:31,319 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-05 18:30:31,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 18:30:31,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389884042] [2024-04-05 18:30:31,320 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-05 18:30:31,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850340333] [2024-04-05 18:30:31,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850340333] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 18:30:31,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 18:30:31,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-05 18:30:31,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659520585] [2024-04-05 18:30:31,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 18:30:31,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-05 18:30:31,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 18:30:31,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-05 18:30:31,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-05 18:30:31,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:30:31,336 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 18:30:31,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 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) [2024-04-05 18:30:31,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 18:30:31,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 18:30:31,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:30:31,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:30:31,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 18:30:31,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 18:30:31,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:30:31,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:30:31,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-05 18:30:31,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 18:30:31,621 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-05 18:30:31,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 18:30:31,622 INFO L85 PathProgramCache]: Analyzing trace with hash -726551431, now seen corresponding path program 1 times [2024-04-05 18:30:31,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 18:30:31,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683708082] [2024-04-05 18:30:31,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 18:30:31,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 18:30:31,655 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-05 18:30:31,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1403362480] [2024-04-05 18:30:31,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 18:30:31,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 18:30:31,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 18:30:31,657 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 18:30:31,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-05 18:30:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 18:30:31,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 2 conjunts are in the unsatisfiable core [2024-04-05 18:30:31,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 18:30:31,831 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-04-05 18:30:31,831 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-05 18:30:31,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 18:30:31,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683708082] [2024-04-05 18:30:31,831 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-05 18:30:31,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403362480] [2024-04-05 18:30:31,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403362480] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 18:30:31,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 18:30:31,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-05 18:30:31,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604775993] [2024-04-05 18:30:31,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 18:30:31,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-05 18:30:31,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 18:30:31,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-05 18:30:31,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-05 18:30:31,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:30:31,833 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 18:30:31,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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) [2024-04-05 18:30:31,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 18:30:31,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 18:30:31,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:30:31,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:30:31,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:30:31,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 18:30:31,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 18:30:31,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:30:31,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:30:31,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:30:31,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-05 18:30:32,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 18:30:32,090 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-05 18:30:32,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 18:30:32,090 INFO L85 PathProgramCache]: Analyzing trace with hash -2056312146, now seen corresponding path program 1 times [2024-04-05 18:30:32,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 18:30:32,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838242356] [2024-04-05 18:30:32,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 18:30:32,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 18:30:32,115 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-05 18:30:32,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2110525168] [2024-04-05 18:30:32,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 18:30:32,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 18:30:32,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 18:30:32,117 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 18:30:32,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-05 18:30:32,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 18:30:32,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 2 conjunts are in the unsatisfiable core [2024-04-05 18:30:32,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 18:30:32,306 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-04-05 18:30:32,306 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-05 18:30:32,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 18:30:32,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838242356] [2024-04-05 18:30:32,306 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-05 18:30:32,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110525168] [2024-04-05 18:30:32,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2110525168] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 18:30:32,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 18:30:32,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-05 18:30:32,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473618903] [2024-04-05 18:30:32,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 18:30:32,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-05 18:30:32,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 18:30:32,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-05 18:30:32,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-05 18:30:32,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:30:32,308 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 18:30:32,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 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) [2024-04-05 18:30:32,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 18:30:32,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 18:30:32,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:30:32,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:30:32,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:30:32,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 18:30:32,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 18:30:32,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 18:30:32,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:30:32,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:30:32,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:30:32,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 18:30:32,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-05 18:30:32,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-04-05 18:30:32,570 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-05 18:30:32,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 18:30:32,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1004956029, now seen corresponding path program 2 times [2024-04-05 18:30:32,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 18:30:32,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237054884] [2024-04-05 18:30:32,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 18:30:32,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 18:30:32,612 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-05 18:30:32,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [909697404] [2024-04-05 18:30:32,612 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 18:30:32,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 18:30:32,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 18:30:32,614 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 18:30:32,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-05 18:30:33,012 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 18:30:33,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 18:30:33,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 103 conjunts are in the unsatisfiable core [2024-04-05 18:30:33,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 18:30:33,056 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 6 [2024-04-05 18:30:33,184 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-04-05 18:30:33,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-04-05 18:30:33,218 INFO L349 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2024-04-05 18:30:33,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2024-04-05 18:30:33,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2024-04-05 18:30:33,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2024-04-05 18:30:33,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 18 treesize of output 13 [2024-04-05 18:30:34,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 22 treesize of output 17 [2024-04-05 18:30:35,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 21 treesize of output 16 [2024-04-05 18:30:36,050 INFO L378 Elim1Store]: Elim1 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 20 treesize of output 16 [2024-04-05 18:30:36,153 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-05 18:30:36,153 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 18:31:16,483 WARN L293 SmtUtils]: Spent 17.03s on a formula simplification that was a NOOP. DAG size: 328 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 18:37:18,197 WARN L293 SmtUtils]: Spent 14.68s on a formula simplification that was a NOOP. DAG size: 330 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 18:37:46,010 WARN L293 SmtUtils]: Spent 13.07s on a formula simplification that was a NOOP. DAG size: 330 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 18:38:18,672 WARN L293 SmtUtils]: Spent 14.13s on a formula simplification that was a NOOP. DAG size: 331 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 18:40:34,041 WARN L293 SmtUtils]: Spent 16.22s on a formula simplification that was a NOOP. DAG size: 332 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 18:41:13,908 WARN L293 SmtUtils]: Spent 19.04s on a formula simplification that was a NOOP. DAG size: 332 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 18:44:37,441 WARN L293 SmtUtils]: Spent 17.27s on a formula simplification that was a NOOP. DAG size: 274 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 18:45:06,191 WARN L293 SmtUtils]: Spent 10.30s on a formula simplification that was a NOOP. DAG size: 275 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2024-04-05 18:45:07,284 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 18:45:07,284 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-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 [2024-04-05 18:45:07,296 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 18:45:07,824 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2024-04-05 18:45:07,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-05 18:45:08,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 18:45:08,025 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 227 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-6-2-2-2-2-2-2-2-2-2-1 context. [2024-04-05 18:45:08,026 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2024-04-05 18:45:08,026 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 8 remaining) [2024-04-05 18:45:08,026 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2024-04-05 18:45:08,027 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err1ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2024-04-05 18:45:08,027 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2024-04-05 18:45:08,027 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 8 remaining) [2024-04-05 18:45:08,027 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err1ASSERT_VIOLATIONERROR_FUNCTION (0 of 8 remaining) [2024-04-05 18:45:08,030 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2024-04-05 18:45:08,033 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-05 18:45:08,033 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-05 18:45:08,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 06:45:08 BasicIcfg [2024-04-05 18:45:08,035 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-05 18:45:08,035 INFO L158 Benchmark]: Toolchain (without parser) took 881222.54ms. Allocated memory was 199.2MB in the beginning and 899.7MB in the end (delta: 700.4MB). Free memory was 126.2MB in the beginning and 366.7MB in the end (delta: -240.6MB). Peak memory consumption was 511.4MB. Max. memory is 8.0GB. [2024-04-05 18:45:08,035 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 199.2MB. Free memory is still 129.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 18:45:08,035 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.53ms. Allocated memory is still 199.2MB. Free memory was 125.9MB in the beginning and 104.9MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-04-05 18:45:08,035 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.26ms. Allocated memory is still 337.6MB. Free memory was 305.2MB in the beginning and 303.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-05 18:45:08,036 INFO L158 Benchmark]: Boogie Preprocessor took 33.80ms. Allocated memory is still 337.6MB. Free memory was 303.1MB in the beginning and 301.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-05 18:45:08,036 INFO L158 Benchmark]: RCFGBuilder took 460.61ms. Allocated memory is still 337.6MB. Free memory was 301.0MB in the beginning and 280.5MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-04-05 18:45:08,036 INFO L158 Benchmark]: TraceAbstraction took 880329.30ms. Allocated memory was 337.6MB in the beginning and 899.7MB in the end (delta: 562.0MB). Free memory was 279.5MB in the beginning and 366.7MB in the end (delta: -87.3MB). Peak memory consumption was 525.1MB. Max. memory is 8.0GB. [2024-04-05 18:45:08,037 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 199.2MB. Free memory is still 129.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 318.53ms. Allocated memory is still 199.2MB. Free memory was 125.9MB in the beginning and 104.9MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 63.26ms. Allocated memory is still 337.6MB. Free memory was 305.2MB in the beginning and 303.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.80ms. Allocated memory is still 337.6MB. Free memory was 303.1MB in the beginning and 301.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 460.61ms. Allocated memory is still 337.6MB. Free memory was 301.0MB in the beginning and 280.5MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 880329.30ms. Allocated memory was 337.6MB in the beginning and 899.7MB in the end (delta: 562.0MB). Free memory was 279.5MB in the beginning and 366.7MB in the end (delta: -87.3MB). Peak memory consumption was 525.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14072, independent: 10054, independent conditional: 9394, independent unconditional: 660, dependent: 4018, dependent conditional: 3662, dependent unconditional: 356, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10076, independent: 10054, independent conditional: 9394, independent unconditional: 660, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10076, independent: 10054, independent conditional: 9394, independent unconditional: 660, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10076, independent: 10054, independent conditional: 9394, independent unconditional: 660, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10176, independent: 10054, independent conditional: 1984, independent unconditional: 8070, dependent: 122, dependent conditional: 74, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10176, independent: 10054, independent conditional: 463, independent unconditional: 9591, dependent: 122, dependent conditional: 30, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10176, independent: 10054, independent conditional: 463, independent unconditional: 9591, dependent: 122, dependent conditional: 30, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 983, independent: 972, independent conditional: 15, independent unconditional: 957, dependent: 11, dependent conditional: 7, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 983, independent: 969, independent conditional: 0, independent unconditional: 969, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 14, independent: 3, independent conditional: 1, independent unconditional: 2, dependent: 11, dependent conditional: 7, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, independent: 3, independent conditional: 1, independent unconditional: 2, dependent: 11, dependent conditional: 7, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, independent: 6, independent conditional: 2, independent unconditional: 3, dependent: 54, dependent conditional: 25, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10176, independent: 9082, independent conditional: 448, independent unconditional: 8634, dependent: 111, dependent conditional: 23, dependent unconditional: 88, unknown: 983, unknown conditional: 22, unknown unconditional: 961] , Statistics on independence cache: Total cache size (in pairs): 983, Positive cache size: 972, Positive conditional cache size: 15, Positive unconditional cache size: 957, Negative cache size: 11, Negative conditional cache size: 7, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1565, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10176, independent: 10054, independent conditional: 1984, independent unconditional: 8070, dependent: 122, dependent conditional: 74, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10176, independent: 10054, independent conditional: 463, independent unconditional: 9591, dependent: 122, dependent conditional: 30, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10176, independent: 10054, independent conditional: 463, independent unconditional: 9591, dependent: 122, dependent conditional: 30, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 983, independent: 972, independent conditional: 15, independent unconditional: 957, dependent: 11, dependent conditional: 7, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 983, independent: 969, independent conditional: 0, independent unconditional: 969, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 14, independent: 3, independent conditional: 1, independent unconditional: 2, dependent: 11, dependent conditional: 7, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, independent: 3, independent conditional: 1, independent unconditional: 2, dependent: 11, dependent conditional: 7, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, independent: 6, independent conditional: 2, independent unconditional: 3, dependent: 54, dependent conditional: 25, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10176, independent: 9082, independent conditional: 448, independent unconditional: 8634, dependent: 111, dependent conditional: 23, dependent unconditional: 88, unknown: 983, unknown conditional: 22, unknown unconditional: 961] , Statistics on independence cache: Total cache size (in pairs): 983, Positive cache size: 972, Positive conditional cache size: 15, Positive unconditional cache size: 957, Negative cache size: 11, Negative conditional cache size: 7, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1565 ], Independence queries for same thread: 3996 - TimeoutResultAtElement [Line: 749]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 227 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-6-2-2-2-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 763]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 227 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-6-2-2-2-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 764]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 227 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-6-2-2-2-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 714]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 227 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-6-2-2-2-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 731]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 227 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-6-2-2-2-2-2-2-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 224 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 880.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.1s, 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: 28, 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, 0.7s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1376 NumberOfCodeBlocks, 1376 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1370 ConstructedInterpolants, 1 QuantifiedInterpolants, 2869 SizeOfPredicates, 7 NumberOfNonLiveVariables, 3288 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 1480/1480 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