/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-fffa3fa-m [2023-09-05 00:03:41,451 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-05 00:03:41,520 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-05 00:03:41,526 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-05 00:03:41,526 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-05 00:03:41,527 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-05 00:03:41,553 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-05 00:03:41,553 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-05 00:03:41,553 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-05 00:03:41,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-05 00:03:41,557 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-05 00:03:41,558 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-05 00:03:41,558 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-05 00:03:41,558 INFO L153 SettingsManager]: * Use SBE=true [2023-09-05 00:03:41,558 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-05 00:03:41,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-05 00:03:41,559 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-05 00:03:41,559 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-05 00:03:41,559 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-05 00:03:41,560 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-05 00:03:41,560 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-05 00:03:41,560 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-05 00:03:41,560 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-05 00:03:41,561 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-05 00:03:41,562 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-05 00:03:41,562 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-05 00:03:41,562 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-05 00:03:41,563 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-05 00:03:41,563 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-05 00:03:41,563 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-05 00:03:41,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-05 00:03:41,564 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-05 00:03:41,564 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-05 00:03:41,564 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-05 00:03:41,564 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-05 00:03:41,565 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-05 00:03:41,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-05 00:03:41,565 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-05 00:03:41,565 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-05 00:03:41,565 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-05 00:03:41,565 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-05 00:03:41,565 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/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-09-05 00:03:41,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-05 00:03:41,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-05 00:03:41,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-05 00:03:41,834 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-05 00:03:41,834 INFO L274 PluginConnector]: CDTParser initialized [2023-09-05 00:03:41,835 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c [2023-09-05 00:03:42,935 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-05 00:03:43,110 INFO L384 CDTParser]: Found 1 translation units. [2023-09-05 00:03:43,111 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c [2023-09-05 00:03:43,117 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4642014a/019e5818e03344ad8231390e201cd591/FLAG4dd8ebf4f [2023-09-05 00:03:43,127 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4642014a/019e5818e03344ad8231390e201cd591 [2023-09-05 00:03:43,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-05 00:03:43,131 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-05 00:03:43,133 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-05 00:03:43,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-05 00:03:43,136 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-05 00:03:43,136 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 12:03:43" (1/1) ... [2023-09-05 00:03:43,137 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36256806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:03:43, skipping insertion in model container [2023-09-05 00:03:43,137 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 12:03:43" (1/1) ... [2023-09-05 00:03:43,157 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-09-05 00:03:43,277 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c[2037,2050] [2023-09-05 00:03:43,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-05 00:03:43,285 INFO L201 MainTranslator]: Completed pre-run [2023-09-05 00:03:43,301 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c[2037,2050] [2023-09-05 00:03:43,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-05 00:03:43,307 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-05 00:03:43,308 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-05 00:03:43,313 INFO L206 MainTranslator]: Completed translation [2023-09-05 00:03:43,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:03:43 WrapperNode [2023-09-05 00:03:43,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-05 00:03:43,314 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-05 00:03:43,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-05 00:03:43,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-05 00:03:43,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:03:43" (1/1) ... [2023-09-05 00:03:43,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:03:43" (1/1) ... [2023-09-05 00:03:43,338 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2023-09-05 00:03:43,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-05 00:03:43,339 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-05 00:03:43,339 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-05 00:03:43,340 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-05 00:03:43,347 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:03:43" (1/1) ... [2023-09-05 00:03:43,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:03:43" (1/1) ... [2023-09-05 00:03:43,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:03:43" (1/1) ... [2023-09-05 00:03:43,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:03:43" (1/1) ... [2023-09-05 00:03:43,353 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:03:43" (1/1) ... [2023-09-05 00:03:43,355 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:03:43" (1/1) ... [2023-09-05 00:03:43,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:03:43" (1/1) ... [2023-09-05 00:03:43,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:03:43" (1/1) ... [2023-09-05 00:03:43,361 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-05 00:03:43,362 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-05 00:03:43,362 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-05 00:03:43,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-05 00:03:43,363 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:03:43" (1/1) ... [2023-09-05 00:03:43,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-05 00:03:43,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:03:43,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-05 00:03:43,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-05 00:03:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-05 00:03:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-05 00:03:43,427 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-05 00:03:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-05 00:03:43,427 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-05 00:03:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-05 00:03:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-05 00:03:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-05 00:03:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-05 00:03:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-05 00:03:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-05 00:03:43,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-05 00:03:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-05 00:03:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-05 00:03:43,430 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-05 00:03:43,499 INFO L236 CfgBuilder]: Building ICFG [2023-09-05 00:03:43,500 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-05 00:03:43,639 INFO L277 CfgBuilder]: Performing block encoding [2023-09-05 00:03:43,680 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-05 00:03:43,681 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-09-05 00:03:43,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 12:03:43 BoogieIcfgContainer [2023-09-05 00:03:43,683 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-05 00:03:43,685 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-05 00:03:43,685 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-05 00:03:43,688 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-05 00:03:43,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.09 12:03:43" (1/3) ... [2023-09-05 00:03:43,688 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@292c3cc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.09 12:03:43, skipping insertion in model container [2023-09-05 00:03:43,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:03:43" (2/3) ... [2023-09-05 00:03:43,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@292c3cc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.09 12:03:43, skipping insertion in model container [2023-09-05 00:03:43,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 12:03:43" (3/3) ... [2023-09-05 00:03:43,690 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-nonblocking-cntr.wvr.c [2023-09-05 00:03:43,697 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-05 00:03:43,705 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-05 00:03:43,706 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-05 00:03:43,706 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-05 00:03:43,751 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-05 00:03:43,790 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-05 00:03:43,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-05 00:03:43,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:03:43,793 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-05 00:03:43,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-09-05 00:03:43,836 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-05 00:03:43,844 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-05 00:03:43,852 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@15c7ee2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-05 00:03:43,852 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. Found a loop, use abstraction hammer [2023-09-05 00:03:43,991 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:03:43,997 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:03:43,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1329875983, now seen corresponding path program 1 times [2023-09-05 00:03:44,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:03:44,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717636535] [2023-09-05 00:03:44,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:03:44,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:03:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:03:44,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:03:44,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:03:44,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717636535] [2023-09-05 00:03:44,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717636535] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-05 00:03:44,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-05 00:03:44,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-05 00:03:44,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247639575] [2023-09-05 00:03:44,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-05 00:03:44,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-05 00:03:44,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:03:44,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-05 00:03:44,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-05 00:03:44,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:03:44,172 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:03:44,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-05 00:03:44,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:03:44,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:03:44,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-05 00:03:44,210 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:03:44,210 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:03:44,210 INFO L85 PathProgramCache]: Analyzing trace with hash -273160751, now seen corresponding path program 1 times [2023-09-05 00:03:44,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:03:44,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94455293] [2023-09-05 00:03:44,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:03:44,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:03:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:03:44,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:03:44,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:03:44,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94455293] [2023-09-05 00:03:44,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94455293] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:03:44,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823300290] [2023-09-05 00:03:44,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:03:44,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:03:44,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:03:44,515 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:03:44,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-09-05 00:03:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:03:44,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjunts are in the unsatisfiable core [2023-09-05 00:03:44,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:03:44,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:03:44,685 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:03:44,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:03:44,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823300290] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:03:44,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:03:44,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2023-09-05 00:03:44,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516374594] [2023-09-05 00:03:44,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:03:44,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-09-05 00:03:44,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:03:44,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-09-05 00:03:44,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-09-05 00:03:44,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:03:44,729 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:03:44,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-05 00:03:44,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:03:44,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:03:44,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:03:44,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-05 00:03:44,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-09-05 00:03:45,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-09-05 00:03:45,126 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:03:45,127 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:03:45,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1167997444, now seen corresponding path program 1 times [2023-09-05 00:03:45,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:03:45,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819367607] [2023-09-05 00:03:45,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:03:45,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:03:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:03:45,571 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:03:45,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:03:45,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819367607] [2023-09-05 00:03:45,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819367607] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:03:45,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131370423] [2023-09-05 00:03:45,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:03:45,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:03:45,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:03:45,577 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:03:45,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-09-05 00:03:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:03:45,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 12 conjunts are in the unsatisfiable core [2023-09-05 00:03:45,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:03:45,942 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:03:45,942 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:03:46,273 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:03:46,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131370423] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:03:46,278 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:03:46,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 11] total 28 [2023-09-05 00:03:46,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87335188] [2023-09-05 00:03:46,279 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:03:46,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-09-05 00:03:46,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:03:46,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-09-05 00:03:46,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=614, Unknown=0, NotChecked=0, Total=756 [2023-09-05 00:03:46,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:03:46,282 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:03:46,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 6.071428571428571) internal successors, (170), 28 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-05 00:03:46,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:03:46,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-05 00:03:46,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:03:46,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:03:46,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-05 00:03:46,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-09-05 00:03:46,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-09-05 00:03:47,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:03:47,034 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:03:47,034 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:03:47,034 INFO L85 PathProgramCache]: Analyzing trace with hash -2016691513, now seen corresponding path program 2 times [2023-09-05 00:03:47,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:03:47,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844567971] [2023-09-05 00:03:47,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:03:47,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:03:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:03:47,560 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 9 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:03:47,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:03:47,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844567971] [2023-09-05 00:03:47,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844567971] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:03:47,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223200353] [2023-09-05 00:03:47,560 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-05 00:03:47,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:03:47,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:03:47,562 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:03:47,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-09-05 00:03:47,628 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-05 00:03:47,628 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:03:47,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 18 conjunts are in the unsatisfiable core [2023-09-05 00:03:47,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:03:47,889 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 18 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:03:47,889 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:03:48,596 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 18 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:03:48,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223200353] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:03:48,597 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:03:48,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 15] total 39 [2023-09-05 00:03:48,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334266530] [2023-09-05 00:03:48,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:03:48,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-09-05 00:03:48,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:03:48,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-09-05 00:03:48,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=1258, Unknown=0, NotChecked=0, Total=1482 [2023-09-05 00:03:48,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:03:48,600 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:03:48,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 4.615384615384615) internal successors, (180), 39 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) [2023-09-05 00:03:48,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:03:48,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-05 00:03:48,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-09-05 00:03:48,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:03:50,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:03:50,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-05 00:03:50,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-05 00:03:50,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-09-05 00:03:50,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-09-05 00:03:50,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:03:50,410 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:03:50,411 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:03:50,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1859823854, now seen corresponding path program 3 times [2023-09-05 00:03:50,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:03:50,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175954330] [2023-09-05 00:03:50,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:03:50,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:03:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:03:51,304 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 38 proven. 121 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-09-05 00:03:51,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:03:51,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175954330] [2023-09-05 00:03:51,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175954330] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:03:51,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312450724] [2023-09-05 00:03:51,305 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-05 00:03:51,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:03:51,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:03:51,307 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:03:51,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-09-05 00:03:51,389 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2023-09-05 00:03:51,389 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:03:51,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 32 conjunts are in the unsatisfiable core [2023-09-05 00:03:51,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:03:52,008 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 107 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:03:52,009 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:03:52,876 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 59 proven. 102 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-09-05 00:03:52,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312450724] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:03:52,877 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:03:52,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 32, 25] total 68 [2023-09-05 00:03:52,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588421561] [2023-09-05 00:03:52,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:03:52,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2023-09-05 00:03:52,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:03:52,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2023-09-05 00:03:52,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=702, Invalid=3854, Unknown=0, NotChecked=0, Total=4556 [2023-09-05 00:03:52,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:03:52,881 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:03:52,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 3.5588235294117645) internal successors, (242), 68 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-05 00:03:52,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:03:52,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-05 00:03:52,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-05 00:03:52,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-09-05 00:03:52,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:03:56,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:03:56,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-05 00:03:56,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-05 00:03:56,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-09-05 00:03:56,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2023-09-05 00:03:56,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-09-05 00:03:56,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:03:56,360 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:03:56,360 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:03:56,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1491545014, now seen corresponding path program 4 times [2023-09-05 00:03:56,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:03:56,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436363980] [2023-09-05 00:03:56,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:03:56,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:03:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:03:57,654 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 65 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:03:57,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:03:57,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436363980] [2023-09-05 00:03:57,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436363980] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:03:57,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761561649] [2023-09-05 00:03:57,655 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-05 00:03:57,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:03:57,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:03:57,657 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:03:57,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-09-05 00:03:57,736 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-05 00:03:57,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:03:57,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 37 conjunts are in the unsatisfiable core [2023-09-05 00:03:57,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:03:58,554 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 148 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:03:58,555 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:04:00,570 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 86 proven. 152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:04:00,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1761561649] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:04:00,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:04:00,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38, 30] total 86 [2023-09-05 00:04:00,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027121869] [2023-09-05 00:04:00,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:04:00,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2023-09-05 00:04:00,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:04:00,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2023-09-05 00:04:00,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=949, Invalid=6361, Unknown=0, NotChecked=0, Total=7310 [2023-09-05 00:04:00,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:04:00,576 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:04:00,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 3.2093023255813953) internal successors, (276), 86 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-05 00:04:00,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:04:00,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-05 00:04:00,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-05 00:04:00,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-09-05 00:04:00,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2023-09-05 00:04:00,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:04:05,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:04:05,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-05 00:04:05,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-05 00:04:05,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:04:05,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2023-09-05 00:04:05,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2023-09-05 00:04:05,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-09-05 00:04:06,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:04:06,063 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:04:06,064 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:04:06,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1063845614, now seen corresponding path program 5 times [2023-09-05 00:04:06,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:04:06,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540130346] [2023-09-05 00:04:06,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:04:06,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:04:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:04:10,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1660 backedges. 694 proven. 931 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-09-05 00:04:10,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:04:10,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540130346] [2023-09-05 00:04:10,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540130346] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:04:10,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195422099] [2023-09-05 00:04:10,082 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-05 00:04:10,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:04:10,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:04:10,083 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:04:10,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-09-05 00:04:10,182 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) [2023-09-05 00:04:10,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:04:10,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 91 conjunts are in the unsatisfiable core [2023-09-05 00:04:10,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:04:13,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1660 backedges. 733 proven. 927 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:04:13,882 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:04:19,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1660 backedges. 761 proven. 892 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-09-05 00:04:19,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195422099] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:04:19,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:04:19,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 92, 63] total 196 [2023-09-05 00:04:19,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903081829] [2023-09-05 00:04:19,328 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:04:19,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 196 states [2023-09-05 00:04:19,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:04:19,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2023-09-05 00:04:19,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5205, Invalid=33015, Unknown=0, NotChecked=0, Total=38220 [2023-09-05 00:04:19,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:04:19,343 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:04:19,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 196 states, 196 states have (on average 2.63265306122449) internal successors, (516), 196 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-05 00:04:19,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:04:19,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-05 00:04:19,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-05 00:04:19,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:04:19,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2023-09-05 00:04:19,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2023-09-05 00:04:19,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:04:29,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:04:29,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-05 00:04:29,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-05 00:04:29,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:04:29,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2023-09-05 00:04:29,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2023-09-05 00:04:29,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2023-09-05 00:04:29,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-09-05 00:04:29,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:04:29,724 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:04:29,724 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:04:29,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1474792212, now seen corresponding path program 6 times [2023-09-05 00:04:29,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:04:29,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431886367] [2023-09-05 00:04:29,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:04:29,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:04:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:04:34,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1814 backedges. 719 proven. 1095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:04:34,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:04:34,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431886367] [2023-09-05 00:04:34,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431886367] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:04:34,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450432241] [2023-09-05 00:04:34,708 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-09-05 00:04:34,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:04:34,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:04:34,709 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:04:34,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-09-05 00:04:34,825 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 26 check-sat command(s) [2023-09-05 00:04:34,825 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:04:34,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 96 conjunts are in the unsatisfiable core [2023-09-05 00:04:34,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:04:39,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1814 backedges. 1404 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:04:39,874 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:04:44,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1814 backedges. 748 proven. 1066 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:04:44,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450432241] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:04:44,814 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:04:44,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 73] total 239 [2023-09-05 00:04:44,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894825085] [2023-09-05 00:04:44,814 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:04:44,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 239 states [2023-09-05 00:04:44,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:04:44,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 239 interpolants. [2023-09-05 00:04:44,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7171, Invalid=49711, Unknown=0, NotChecked=0, Total=56882 [2023-09-05 00:04:44,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:04:44,824 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:04:44,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 239 states, 239 states have (on average 2.3682008368200838) internal successors, (566), 239 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-05 00:04:44,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:04:44,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-05 00:04:44,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-05 00:04:44,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:04:44,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2023-09-05 00:04:44,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2023-09-05 00:04:44,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 204 states. [2023-09-05 00:04:44,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:05:17,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:05:17,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-05 00:05:17,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-05 00:05:17,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:05:17,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2023-09-05 00:05:17,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2023-09-05 00:05:17,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 297 states. [2023-09-05 00:05:17,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 376 states. [2023-09-05 00:05:17,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-09-05 00:05:17,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-09-05 00:05:17,381 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:05:17,382 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:05:17,382 INFO L85 PathProgramCache]: Analyzing trace with hash 444831584, now seen corresponding path program 7 times [2023-09-05 00:05:17,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:05:17,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808517185] [2023-09-05 00:05:17,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:05:17,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:05:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:05:38,299 INFO L134 CoverageAnalysis]: Checked inductivity of 10674 backedges. 6468 proven. 4121 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-09-05 00:05:38,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:05:38,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808517185] [2023-09-05 00:05:38,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808517185] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:05:38,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434843930] [2023-09-05 00:05:38,300 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-09-05 00:05:38,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:05:38,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:05:38,301 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:05:38,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-09-05 00:05:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:05:38,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 225 conjunts are in the unsatisfiable core [2023-09-05 00:05:38,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:06:01,965 INFO L134 CoverageAnalysis]: Checked inductivity of 10674 backedges. 3249 proven. 7425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:06:01,966 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:07:00,742 INFO L134 CoverageAnalysis]: Checked inductivity of 10674 backedges. 6603 proven. 4054 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-09-05 00:07:00,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434843930] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:07:00,743 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:07:00,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [158, 226, 151] total 506 [2023-09-05 00:07:00,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122832768] [2023-09-05 00:07:00,744 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:07:00,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 506 states [2023-09-05 00:07:00,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:07:00,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 506 interpolants. [2023-09-05 00:07:00,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33636, Invalid=221894, Unknown=0, NotChecked=0, Total=255530 [2023-09-05 00:07:00,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:00,775 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:07:00,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 506 states, 506 states have (on average 2.2766798418972334) internal successors, (1152), 506 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-05 00:07:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-05 00:07:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-05 00:07:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:07:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2023-09-05 00:07:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2023-09-05 00:07:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 297 states. [2023-09-05 00:07:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 376 states. [2023-09-05 00:07:00,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Received shutdown request... [2023-09-05 00:07:29,388 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-05 00:07:29,388 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-05 00:07:29,388 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-05 00:07:29,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-09-05 00:07:29,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:07:29,593 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 765 known predicates. [2023-09-05 00:07:29,595 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-09-05 00:07:29,596 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-09-05 00:07:29,596 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-09-05 00:07:29,599 INFO L445 BasicCegarLoop]: Path program histogram: [7, 1, 1] [2023-09-05 00:07:29,601 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-05 00:07:29,601 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-05 00:07:29,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.09 12:07:29 BasicIcfg [2023-09-05 00:07:29,603 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-05 00:07:29,604 INFO L158 Benchmark]: Toolchain (without parser) took 226472.98ms. Allocated memory was 292.6MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 248.1MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 382.2MB. Max. memory is 7.0GB. [2023-09-05 00:07:29,604 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 197.1MB. Free memory is still 148.6MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-05 00:07:29,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.05ms. Allocated memory is still 292.6MB. Free memory was 247.8MB in the beginning and 237.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 7.0GB. [2023-09-05 00:07:29,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.26ms. Allocated memory is still 292.6MB. Free memory was 237.2MB in the beginning and 235.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-05 00:07:29,604 INFO L158 Benchmark]: Boogie Preprocessor took 22.00ms. Allocated memory is still 292.6MB. Free memory was 235.5MB in the beginning and 234.2MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. [2023-09-05 00:07:29,605 INFO L158 Benchmark]: RCFGBuilder took 320.73ms. Allocated memory is still 292.6MB. Free memory was 234.2MB in the beginning and 220.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 7.0GB. [2023-09-05 00:07:29,605 INFO L158 Benchmark]: TraceAbstraction took 225918.38ms. Allocated memory was 292.6MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 219.5MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 353.9MB. Max. memory is 7.0GB. [2023-09-05 00:07:29,606 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 197.1MB. Free memory is still 148.6MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 181.05ms. Allocated memory is still 292.6MB. Free memory was 247.8MB in the beginning and 237.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 24.26ms. Allocated memory is still 292.6MB. Free memory was 237.2MB in the beginning and 235.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 22.00ms. Allocated memory is still 292.6MB. Free memory was 235.5MB in the beginning and 234.2MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. * RCFGBuilder took 320.73ms. Allocated memory is still 292.6MB. Free memory was 234.2MB in the beginning and 220.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 7.0GB. * TraceAbstraction took 225918.38ms. Allocated memory was 292.6MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 219.5MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 353.9MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 682, independent: 535, independent conditional: 535, independent unconditional: 0, dependent: 147, dependent conditional: 147, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 567, independent: 535, independent conditional: 535, independent unconditional: 0, dependent: 32, dependent conditional: 32, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 567, independent: 535, independent conditional: 535, independent unconditional: 0, dependent: 32, dependent conditional: 32, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 790, independent: 535, independent conditional: 0, independent unconditional: 535, dependent: 255, dependent conditional: 223, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 790, independent: 535, independent conditional: 0, independent unconditional: 535, dependent: 255, dependent conditional: 0, dependent unconditional: 255, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 790, independent: 535, independent conditional: 0, independent unconditional: 535, dependent: 255, dependent conditional: 0, dependent unconditional: 255, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 567, independent: 535, independent conditional: 0, independent unconditional: 535, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 567, independent: 535, independent conditional: 0, independent unconditional: 535, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 32, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 88, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 790, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 223, dependent conditional: 0, dependent unconditional: 223, unknown: 567, unknown conditional: 0, unknown unconditional: 567] , Statistics on independence cache: Total cache size (in pairs): 567, Positive cache size: 535, Positive conditional cache size: 0, Positive unconditional cache size: 535, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 223, Maximal queried relation: 9, Independence queries for same thread: 115 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 29 - TimeoutResultAtElement [Line: 77]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 765 known predicates. - TimeoutResultAtElement [Line: 71]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 765 known predicates. - TimeoutResultAtElement [Line: 72]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 765 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 90 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 225.8s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 82.2s, 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: 1378, 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, 140.4s InterpolantComputationTime, 2620 NumberOfCodeBlocks, 2615 NumberOfCodeBlocksAsserted, 75 NumberOfCheckSat, 3877 ConstructedInterpolants, 0 QuantifiedInterpolants, 35824 SizeOfPredicates, 305 NumberOfNonLiveVariables, 2306 ConjunctsInSsa, 515 ConjunctsInUnsatCore, 25 InterpolantComputations, 1 PerfectInterpolantSequences, 22095/43839 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