/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 IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 -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 00:32:05,513 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 00:32:05,576 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 00:32:05,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 00:32:05,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 00:32:05,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 00:32:05,613 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 00:32:05,613 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 00:32:05,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 00:32:05,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 00:32:05,617 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 00:32:05,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 00:32:05,617 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 00:32:05,619 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 00:32:05,619 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 00:32:05,619 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 00:32:05,619 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 00:32:05,619 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 00:32:05,620 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 00:32:05,620 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 00:32:05,620 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 00:32:05,620 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 00:32:05,621 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 00:32:05,621 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 00:32:05,622 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 00:32:05,622 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 00:32:05,622 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 00:32:05,622 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 00:32:05,622 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 00:32:05,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 00:32:05,623 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 00:32:05,624 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 00:32:05,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 00:32:05,624 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 00:32:05,624 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 00:32:05,624 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 00:32:05,624 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 00:32:05,624 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 00:32:05,625 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 00:32:05,625 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 [2024-04-05 00:32:05,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 00:32:05,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 00:32:05,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 00:32:05,860 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 00:32:05,860 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 00:32:05,861 INFO L431 ainManager$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 00:32:06,891 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 00:32:07,041 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 00:32:07,041 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i [2024-04-05 00:32:07,064 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3e95b44be/51e784a61b9c4b7e93b21df94db00dfe/FLAG0980bb246 [2024-04-05 00:32:07,075 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3e95b44be/51e784a61b9c4b7e93b21df94db00dfe [2024-04-05 00:32:07,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 00:32:07,078 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 00:32:07,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 00:32:07,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 00:32:07,084 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 00:32:07,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 12:32:07" (1/1) ... [2024-04-05 00:32:07,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b268102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:32:07, skipping insertion in model container [2024-04-05 00:32:07,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 12:32:07" (1/1) ... [2024-04-05 00:32:07,122 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 00:32:07,330 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 00:32:07,336 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 00:32:07,342 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 00:32:07,351 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 00:32:07,363 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 00:32:07,435 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 00:32:07,436 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 00:32:07,437 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 00:32:07,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 00:32:07,477 INFO L206 MainTranslator]: Completed translation [2024-04-05 00:32:07,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:32:07 WrapperNode [2024-04-05 00:32:07,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 00:32:07,478 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 00:32:07,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 00:32:07,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 00:32:07,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:32:07" (1/1) ... [2024-04-05 00:32:07,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:32:07" (1/1) ... [2024-04-05 00:32:07,525 INFO L138 Inliner]: procedures = 169, calls = 38, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 147 [2024-04-05 00:32:07,525 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 00:32:07,526 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 00:32:07,526 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 00:32:07,526 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 00:32:07,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:32:07" (1/1) ... [2024-04-05 00:32:07,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:32:07" (1/1) ... [2024-04-05 00:32:07,535 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:32:07" (1/1) ... [2024-04-05 00:32:07,536 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:32:07" (1/1) ... [2024-04-05 00:32:07,540 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:32:07" (1/1) ... [2024-04-05 00:32:07,542 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:32:07" (1/1) ... [2024-04-05 00:32:07,544 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:32:07" (1/1) ... [2024-04-05 00:32:07,544 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:32:07" (1/1) ... [2024-04-05 00:32:07,547 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 00:32:07,547 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 00:32:07,547 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 00:32:07,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 00:32:07,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:32:07" (1/1) ... [2024-04-05 00:32:07,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 00:32:07,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 00:32:07,578 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 00:32:07,579 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 00:32:07,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 00:32:07,611 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-04-05 00:32:07,611 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-04-05 00:32:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-04-05 00:32:07,612 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-04-05 00:32:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 00:32:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-04-05 00:32:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 00:32:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 00:32:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 00:32:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-04-05 00:32:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 00:32:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-04-05 00:32:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 00:32:07,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 00:32:07,614 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 00:32:07,715 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 00:32:07,716 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 00:32:07,959 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 00:32:07,973 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 00:32:07,973 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-04-05 00:32:07,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 12:32:07 BoogieIcfgContainer [2024-04-05 00:32:07,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 00:32:07,980 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 00:32:07,980 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 00:32:07,982 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 00:32:07,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 12:32:07" (1/3) ... [2024-04-05 00:32:07,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc2a333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 12:32:07, skipping insertion in model container [2024-04-05 00:32:07,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:32:07" (2/3) ... [2024-04-05 00:32:07,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc2a333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 12:32:07, skipping insertion in model container [2024-04-05 00:32:07,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 12:32:07" (3/3) ... [2024-04-05 00:32:07,986 INFO L112 eAbstractionObserver]: Analyzing ICFG circular_buffer_ok.i [2024-04-05 00:32:07,993 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 00:32:08,000 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 00:32:08,000 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-04-05 00:32:08,000 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 00:32:08,098 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-05 00:32:08,141 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 00:32:08,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 00:32:08,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 00:32:08,156 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 00:32:08,168 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 00:32:08,196 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 00:32:08,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 00:32:08,210 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 00:32:08,216 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;@3cb50630, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-05 00:32:08,216 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-04-05 00:32:08,304 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 00:32:08,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 00:32:08,309 INFO L85 PathProgramCache]: Analyzing trace with hash 122964632, now seen corresponding path program 1 times [2024-04-05 00:32:08,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 00:32:08,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515732316] [2024-04-05 00:32:08,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 00:32:08,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 00:32:08,540 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-05 00:32:08,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1854579728] [2024-04-05 00:32:08,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 00:32:08,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 00:32:08,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 00:32:08,573 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 00:32:08,577 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 00:32:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 00:32:08,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-05 00:32:08,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 00:32:08,859 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 00:32:08,859 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-05 00:32:08,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 00:32:08,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515732316] [2024-04-05 00:32:08,860 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-05 00:32:08,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854579728] [2024-04-05 00:32:08,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854579728] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 00:32:08,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 00:32:08,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-05 00:32:08,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549504880] [2024-04-05 00:32:08,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 00:32:08,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-05 00:32:08,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 00:32:08,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-05 00:32:08,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-04-05 00:32:08,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:32:08,962 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 00:32:08,963 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 00:32:08,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:32:09,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 00:32:09,072 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-05 00:32:09,262 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 00:32:09,262 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 00:32:09,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 00:32:09,263 INFO L85 PathProgramCache]: Analyzing trace with hash 740785729, now seen corresponding path program 1 times [2024-04-05 00:32:09,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 00:32:09,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583541024] [2024-04-05 00:32:09,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 00:32:09,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 00:32:09,299 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-05 00:32:09,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [219025255] [2024-04-05 00:32:09,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 00:32:09,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 00:32:09,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 00:32:09,300 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 00:32:09,303 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 00:32:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 00:32:09,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjunts are in the unsatisfiable core [2024-04-05 00:32:09,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 00:32:09,933 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 00:32:09,933 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-05 00:32:09,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 00:32:09,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583541024] [2024-04-05 00:32:09,934 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-05 00:32:09,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219025255] [2024-04-05 00:32:09,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219025255] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 00:32:09,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 00:32:09,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-05 00:32:09,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436185853] [2024-04-05 00:32:09,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 00:32:09,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-05 00:32:09,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 00:32:09,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-05 00:32:09,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-04-05 00:32:09,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:32:09,953 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 00:32:09,953 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 00:32:09,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 00:32:09,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:32:10,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 00:32:10,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 00:32:10,205 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 00:32:10,405 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 00:32:10,408 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 00:32:10,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 00:32:10,409 INFO L85 PathProgramCache]: Analyzing trace with hash 407417983, now seen corresponding path program 1 times [2024-04-05 00:32:10,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 00:32:10,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68837457] [2024-04-05 00:32:10,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 00:32:10,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 00:32:10,443 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-05 00:32:10,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [430474360] [2024-04-05 00:32:10,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 00:32:10,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 00:32:10,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 00:32:10,456 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 00:32:10,459 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 00:32:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 00:32:10,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 3 conjunts are in the unsatisfiable core [2024-04-05 00:32:10,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 00:32:10,878 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 00:32:10,879 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-05 00:32:10,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 00:32:10,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68837457] [2024-04-05 00:32:10,879 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-05 00:32:10,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430474360] [2024-04-05 00:32:10,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430474360] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 00:32:10,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 00:32:10,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-05 00:32:10,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806526499] [2024-04-05 00:32:10,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 00:32:10,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-05 00:32:10,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 00:32:11,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1264780282, now seen corresponding path program 1 times [2024-04-05 00:32:11,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 00:32:11,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 00:32:11,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-05 00:32:11,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-04-05 00:32:11,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:32:11,176 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 00:32:11,176 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 00:32:11,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 00:32:11,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 00:32:11,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:32:11,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 00:32:11,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 00:32:11,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 00:32:11,246 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 00:32:11,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 00:32:11,429 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 00:32:11,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 00:32:11,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1464603986, now seen corresponding path program 1 times [2024-04-05 00:32:11,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 00:32:11,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058863876] [2024-04-05 00:32:11,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 00:32:11,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 00:32:11,478 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-05 00:32:11,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2013174239] [2024-04-05 00:32:11,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 00:32:11,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 00:32:11,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 00:32:11,488 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 00:32:11,513 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 00:32:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 00:32:11,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 3 conjunts are in the unsatisfiable core [2024-04-05 00:32:11,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 00:32:11,681 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 00:32:11,697 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 00:32:11,698 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-05 00:32:11,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 00:32:11,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058863876] [2024-04-05 00:32:11,698 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-05 00:32:11,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013174239] [2024-04-05 00:32:11,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013174239] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 00:32:11,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 00:32:11,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-05 00:32:11,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467187326] [2024-04-05 00:32:11,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 00:32:11,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-05 00:32:11,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 00:32:11,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-05 00:32:11,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-05 00:32:11,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:32:11,787 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 00:32:11,788 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 00:32:11,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 00:32:11,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 00:32:11,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 00:32:11,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:32:11,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 00:32:11,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 00:32:11,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 00:32:11,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 00:32:11,842 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 00:32:12,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 00:32:12,043 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 00:32:12,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 00:32:12,043 INFO L85 PathProgramCache]: Analyzing trace with hash -726551431, now seen corresponding path program 1 times [2024-04-05 00:32:12,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 00:32:12,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936321914] [2024-04-05 00:32:12,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 00:32:12,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 00:32:12,081 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-05 00:32:12,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2004676542] [2024-04-05 00:32:12,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 00:32:12,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 00:32:12,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 00:32:12,090 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 00:32:12,108 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 00:32:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 00:32:12,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 2 conjunts are in the unsatisfiable core [2024-04-05 00:32:12,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 00:32:12,273 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 00:32:12,273 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-05 00:32:12,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 00:32:12,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936321914] [2024-04-05 00:32:12,273 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-05 00:32:12,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004676542] [2024-04-05 00:32:12,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004676542] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 00:32:12,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 00:32:12,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-05 00:32:12,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682196841] [2024-04-05 00:32:12,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 00:32:12,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-05 00:32:12,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 00:32:12,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-05 00:32:12,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-05 00:32:12,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:32:12,306 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 00:32:12,306 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 00:32:12,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 00:32:12,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 00:32:12,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 00:32:12,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 00:32:12,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:32:12,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 00:32:12,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 00:32:12,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 00:32:12,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 00:32:12,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 00:32:12,384 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 00:32:12,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 00:32:12,563 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 00:32:12,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 00:32:12,563 INFO L85 PathProgramCache]: Analyzing trace with hash -2056312146, now seen corresponding path program 1 times [2024-04-05 00:32:12,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 00:32:12,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122274490] [2024-04-05 00:32:12,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 00:32:12,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 00:32:12,623 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-05 00:32:12,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [445875991] [2024-04-05 00:32:12,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 00:32:12,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 00:32:12,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 00:32:12,625 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 00:32:12,644 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 00:32:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 00:32:12,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 2 conjunts are in the unsatisfiable core [2024-04-05 00:32:12,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 00:32:12,813 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 00:32:12,813 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-05 00:32:12,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 00:32:12,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122274490] [2024-04-05 00:32:12,819 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-05 00:32:12,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445875991] [2024-04-05 00:32:12,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445875991] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 00:32:12,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 00:32:12,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-05 00:32:12,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525837688] [2024-04-05 00:32:12,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 00:32:12,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-05 00:32:12,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 00:32:12,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-05 00:32:12,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-05 00:32:12,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:32:12,851 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 00:32:12,851 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 00:32:12,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 00:32:12,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 00:32:12,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 00:32:12,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 00:32:12,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 00:32:12,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:32:12,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 00:32:12,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 00:32:12,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 00:32:12,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 00:32:12,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 00:32:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 00:32:12,896 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 00:32:13,096 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,SelfDestructingSolverStorable6 [2024-04-05 00:32:13,096 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 00:32:13,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 00:32:13,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1004956029, now seen corresponding path program 2 times [2024-04-05 00:32:13,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 00:32:13,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820188123] [2024-04-05 00:32:13,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 00:32:13,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 00:32:13,124 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-05 00:32:13,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [389789641] [2024-04-05 00:32:13,125 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 00:32:13,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 00:32:13,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 00:32:13,142 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 00:32:13,155 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 00:32:13,661 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 00:32:13,661 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 00:32:13,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 101 conjunts are in the unsatisfiable core [2024-04-05 00:32:13,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 00:32:13,687 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 00:32:13,800 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-04-05 00:32:13,800 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 00:32:13,831 INFO L349 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2024-04-05 00:32:13,831 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 00:32:14,092 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 00:32:14,261 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 00:32:14,512 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 00:32:15,188 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 00:32:16,399 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 00:32:16,884 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 00:32:16,976 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 00:32:16,977 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 00:32:55,496 WARN L293 SmtUtils]: Spent 13.60s on a formula simplification that was a NOOP. DAG size: 396 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 00:38:45,419 WARN L293 SmtUtils]: Spent 13.00s on a formula simplification that was a NOOP. DAG size: 398 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 00:39:16,699 WARN L293 SmtUtils]: Spent 15.29s on a formula simplification that was a NOOP. DAG size: 398 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 00:39:55,367 WARN L293 SmtUtils]: Spent 18.12s on a formula simplification that was a NOOP. DAG size: 399 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 00:42:10,572 WARN L293 SmtUtils]: Spent 15.16s on a formula simplification that was a NOOP. DAG size: 400 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 00:42:50,305 WARN L293 SmtUtils]: Spent 17.83s on a formula simplification that was a NOOP. DAG size: 400 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 00:46:17,881 WARN L293 SmtUtils]: Spent 11.21s on a formula simplification that was a NOOP. DAG size: 320 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 00:46:47,439 WARN L293 SmtUtils]: Spent 11.80s on a formula simplification that was a NOOP. DAG size: 321 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2024-04-05 00:46:50,628 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 00:46:50,628 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 00:46:50,628 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 00:46:50,852 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2024-04-05 00:46:50,862 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 00:46:51,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 00:46:51,054 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 ∧-7-2-2-2-2-2-2-2-2-2-1 context. [2024-04-05 00:46:51,055 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2024-04-05 00:46:51,055 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 8 remaining) [2024-04-05 00:46:51,056 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2024-04-05 00:46:51,056 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err1ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2024-04-05 00:46:51,056 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2024-04-05 00:46:51,056 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 8 remaining) [2024-04-05 00:46:51,056 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err1ASSERT_VIOLATIONERROR_FUNCTION (0 of 8 remaining) [2024-04-05 00:46:51,059 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2024-04-05 00:46:51,062 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-05 00:46:51,062 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-05 00:46:51,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 12:46:51 BasicIcfg [2024-04-05 00:46:51,063 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-05 00:46:51,064 INFO L158 Benchmark]: Toolchain (without parser) took 883985.29ms. Allocated memory was 185.6MB in the beginning and 739.2MB in the end (delta: 553.6MB). Free memory was 113.2MB in the beginning and 503.5MB in the end (delta: -390.3MB). Peak memory consumption was 416.7MB. Max. memory is 8.0GB. [2024-04-05 00:46:51,067 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 185.6MB. Free memory is still 146.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 00:46:51,067 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.90ms. Allocated memory was 185.6MB in the beginning and 284.2MB in the end (delta: 98.6MB). Free memory was 113.0MB in the beginning and 245.0MB in the end (delta: -131.9MB). Peak memory consumption was 20.9MB. Max. memory is 8.0GB. [2024-04-05 00:46:51,067 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.08ms. Allocated memory is still 284.2MB. Free memory was 245.0MB in the beginning and 249.3MB in the end (delta: -4.3MB). Peak memory consumption was 5.4MB. Max. memory is 8.0GB. [2024-04-05 00:46:51,068 INFO L158 Benchmark]: Boogie Preprocessor took 20.99ms. Allocated memory is still 284.2MB. Free memory was 249.3MB in the beginning and 247.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-05 00:46:51,068 INFO L158 Benchmark]: RCFGBuilder took 427.22ms. Allocated memory is still 284.2MB. Free memory was 247.7MB in the beginning and 227.3MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-04-05 00:46:51,070 INFO L158 Benchmark]: TraceAbstraction took 883083.87ms. Allocated memory was 284.2MB in the beginning and 739.2MB in the end (delta: 455.1MB). Free memory was 226.2MB in the beginning and 503.5MB in the end (delta: -277.3MB). Peak memory consumption was 430.2MB. Max. memory is 8.0GB. [2024-04-05 00:46:51,072 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 185.6MB. Free memory is still 146.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 397.90ms. Allocated memory was 185.6MB in the beginning and 284.2MB in the end (delta: 98.6MB). Free memory was 113.0MB in the beginning and 245.0MB in the end (delta: -131.9MB). Peak memory consumption was 20.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.08ms. Allocated memory is still 284.2MB. Free memory was 245.0MB in the beginning and 249.3MB in the end (delta: -4.3MB). Peak memory consumption was 5.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.99ms. Allocated memory is still 284.2MB. Free memory was 249.3MB in the beginning and 247.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 427.22ms. Allocated memory is still 284.2MB. Free memory was 247.7MB in the beginning and 227.3MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 883083.87ms. Allocated memory was 284.2MB in the beginning and 739.2MB in the end (delta: 455.1MB). Free memory was 226.2MB in the beginning and 503.5MB in the end (delta: -277.3MB). Peak memory consumption was 430.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8377, independent: 5945, independent conditional: 4674, independent unconditional: 1271, dependent: 2432, dependent conditional: 1800, dependent unconditional: 632, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5964, independent: 5945, independent conditional: 4674, independent unconditional: 1271, dependent: 19, dependent conditional: 19, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5964, independent: 5945, independent conditional: 4674, independent unconditional: 1271, dependent: 19, dependent conditional: 19, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5964, independent: 5945, independent conditional: 4674, independent unconditional: 1271, dependent: 19, dependent conditional: 19, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6022, independent: 5945, independent conditional: 969, independent unconditional: 4976, dependent: 77, dependent conditional: 53, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6022, independent: 5945, independent conditional: 396, independent unconditional: 5549, dependent: 77, dependent conditional: 31, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6022, independent: 5945, independent conditional: 396, independent unconditional: 5549, dependent: 77, dependent conditional: 31, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1013, independent: 1000, independent conditional: 50, independent unconditional: 950, dependent: 13, dependent conditional: 9, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1013, independent: 997, independent conditional: 0, independent unconditional: 997, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 3, independent conditional: 1, independent unconditional: 2, dependent: 13, dependent conditional: 9, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 3, independent conditional: 1, independent unconditional: 2, dependent: 13, dependent conditional: 9, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 65, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 59, dependent conditional: 29, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6022, independent: 4945, independent conditional: 346, independent unconditional: 4599, dependent: 64, dependent conditional: 22, dependent unconditional: 42, unknown: 1013, unknown conditional: 59, unknown unconditional: 954] , Statistics on independence cache: Total cache size (in pairs): 1013, Positive cache size: 1000, Positive conditional cache size: 50, Positive unconditional cache size: 950, Negative cache size: 13, Negative conditional cache size: 9, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 595, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6022, independent: 5945, independent conditional: 969, independent unconditional: 4976, dependent: 77, dependent conditional: 53, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6022, independent: 5945, independent conditional: 396, independent unconditional: 5549, dependent: 77, dependent conditional: 31, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6022, independent: 5945, independent conditional: 396, independent unconditional: 5549, dependent: 77, dependent conditional: 31, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1013, independent: 1000, independent conditional: 50, independent unconditional: 950, dependent: 13, dependent conditional: 9, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1013, independent: 997, independent conditional: 0, independent unconditional: 997, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 3, independent conditional: 1, independent unconditional: 2, dependent: 13, dependent conditional: 9, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 3, independent conditional: 1, independent unconditional: 2, dependent: 13, dependent conditional: 9, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 65, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 59, dependent conditional: 29, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6022, independent: 4945, independent conditional: 346, independent unconditional: 4599, dependent: 64, dependent conditional: 22, dependent unconditional: 42, unknown: 1013, unknown conditional: 59, unknown unconditional: 954] , Statistics on independence cache: Total cache size (in pairs): 1013, Positive cache size: 1000, Positive conditional cache size: 50, Positive unconditional cache size: 950, Negative cache size: 13, Negative conditional cache size: 9, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 595 ], Independence queries for same thread: 2413 - 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 ∧-7-2-2-2-2-2-2-2-2-2-1 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 ∧-7-2-2-2-2-2-2-2-2-2-1 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 ∧-7-2-2-2-2-2-2-2-2-2-1 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 ∧-7-2-2-2-2-2-2-2-2-2-1 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 ∧-7-2-2-2-2-2-2-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 224 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 882.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.6s, 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, 0.8s SatisfiabilityAnalysisTime, 0.8s 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