/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 09:28:20,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 09:28:20,162 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 09:28:20,166 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 09:28:20,167 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 09:28:20,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 09:28:20,188 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 09:28:20,189 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 09:28:20,189 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 09:28:20,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 09:28:20,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 09:28:20,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 09:28:20,193 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 09:28:20,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 09:28:20,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 09:28:20,195 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 09:28:20,195 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 09:28:20,195 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 09:28:20,195 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 09:28:20,195 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 09:28:20,196 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 09:28:20,196 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 09:28:20,196 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 09:28:20,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 09:28:20,196 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 09:28:20,197 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 09:28:20,197 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 09:28:20,197 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 09:28:20,197 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 09:28:20,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 09:28:20,198 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 09:28:20,198 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 09:28:20,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 09:28:20,199 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 09:28:20,199 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 09:28:20,199 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 09:28:20,199 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 09:28:20,199 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 09:28:20,199 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 09:28:20,199 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 [2024-04-05 09:28:20,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 09:28:20,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 09:28:20,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 09:28:20,444 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 09:28:20,446 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 09:28:20,446 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c [2024-04-05 09:28:21,581 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 09:28:21,755 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 09:28:21,755 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c [2024-04-05 09:28:21,763 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/656c6aedf/4bc915deaa60478facef2e8fbe60e2d5/FLAG85b0a306e [2024-04-05 09:28:21,779 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/656c6aedf/4bc915deaa60478facef2e8fbe60e2d5 [2024-04-05 09:28:21,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 09:28:21,783 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 09:28:21,785 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 09:28:21,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 09:28:21,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 09:28:21,790 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 09:28:21" (1/1) ... [2024-04-05 09:28:21,790 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17fe9067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:28:21, skipping insertion in model container [2024-04-05 09:28:21,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 09:28:21" (1/1) ... [2024-04-05 09:28:21,813 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 09:28:21,967 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-send-receive.wvr.c[3107,3120] [2024-04-05 09:28:21,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 09:28:21,986 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 09:28:22,018 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-send-receive.wvr.c[3107,3120] [2024-04-05 09:28:22,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 09:28:22,031 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 09:28:22,031 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 09:28:22,036 INFO L206 MainTranslator]: Completed translation [2024-04-05 09:28:22,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:28:22 WrapperNode [2024-04-05 09:28:22,036 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 09:28:22,038 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 09:28:22,038 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 09:28:22,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 09:28:22,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:28:22" (1/1) ... [2024-04-05 09:28:22,056 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:28:22" (1/1) ... [2024-04-05 09:28:22,081 INFO L138 Inliner]: procedures = 25, calls = 52, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 164 [2024-04-05 09:28:22,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 09:28:22,082 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 09:28:22,082 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 09:28:22,082 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 09:28:22,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:28:22" (1/1) ... [2024-04-05 09:28:22,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:28:22" (1/1) ... [2024-04-05 09:28:22,100 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:28:22" (1/1) ... [2024-04-05 09:28:22,100 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:28:22" (1/1) ... [2024-04-05 09:28:22,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:28:22" (1/1) ... [2024-04-05 09:28:22,110 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:28:22" (1/1) ... [2024-04-05 09:28:22,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:28:22" (1/1) ... [2024-04-05 09:28:22,112 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:28:22" (1/1) ... [2024-04-05 09:28:22,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 09:28:22,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 09:28:22,114 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 09:28:22,115 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 09:28:22,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:28:22" (1/1) ... [2024-04-05 09:28:22,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 09:28:22,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 09:28:22,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-05 09:28:22,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-05 09:28:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 09:28:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 09:28:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 09:28:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 09:28:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 09:28:22,245 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 09:28:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 09:28:22,245 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 09:28:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-05 09:28:22,246 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-05 09:28:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 09:28:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-05 09:28:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-05 09:28:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-05 09:28:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 09:28:22,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 09:28:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 09:28:22,247 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 09:28:22,348 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 09:28:22,350 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 09:28:22,610 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 09:28:22,675 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 09:28:22,675 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-05 09:28:22,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 09:28:22 BoogieIcfgContainer [2024-04-05 09:28:22,680 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 09:28:22,682 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 09:28:22,682 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 09:28:22,684 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 09:28:22,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 09:28:21" (1/3) ... [2024-04-05 09:28:22,685 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10133c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 09:28:22, skipping insertion in model container [2024-04-05 09:28:22,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:28:22" (2/3) ... [2024-04-05 09:28:22,686 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10133c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 09:28:22, skipping insertion in model container [2024-04-05 09:28:22,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 09:28:22" (3/3) ... [2024-04-05 09:28:22,688 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-send-receive.wvr.c [2024-04-05 09:28:22,693 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 09:28:22,700 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 09:28:22,700 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 09:28:22,700 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 09:28:22,755 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-05 09:28:22,799 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 09:28:22,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 09:28:22,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 09:28:22,801 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-05 09:28:22,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-05 09:28:22,826 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 09:28:22,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 09:28:22,836 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 09:28:22,841 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6bdd13ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-05 09:28:22,841 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-05 09:28:22,983 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 09:28:22,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 09:28:22,985 INFO L85 PathProgramCache]: Analyzing trace with hash 823111357, now seen corresponding path program 1 times [2024-04-05 09:28:22,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 09:28:22,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198556451] [2024-04-05 09:28:22,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:28:22,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:28:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:28:23,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 09:28:23,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 09:28:23,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198556451] [2024-04-05 09:28:23,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198556451] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 09:28:23,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 09:28:23,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 09:28:23,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566497663] [2024-04-05 09:28:23,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 09:28:23,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 09:28:23,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 09:28:23,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 09:28:23,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 09:28:23,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:23,229 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 09:28:23,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 50.0) internal successors, (100), 2 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 09:28:23,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:23,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:23,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 09:28:23,287 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 09:28:23,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 09:28:23,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1594024528, now seen corresponding path program 1 times [2024-04-05 09:28:23,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 09:28:23,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679244749] [2024-04-05 09:28:23,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:28:23,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:28:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:28:23,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:28:23,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 09:28:23,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679244749] [2024-04-05 09:28:23,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679244749] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 09:28:23,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 09:28:23,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-05 09:28:23,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466119724] [2024-04-05 09:28:23,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 09:28:23,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-05 09:28:23,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 09:28:23,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-05 09:28:23,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-05 09:28:23,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:23,485 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 09:28:23,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 09:28:23,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:23,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:23,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:23,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:28:23,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-05 09:28:23,619 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 09:28:23,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 09:28:23,630 INFO L85 PathProgramCache]: Analyzing trace with hash 598119619, now seen corresponding path program 1 times [2024-04-05 09:28:23,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 09:28:23,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486176922] [2024-04-05 09:28:23,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:28:23,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:28:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:28:23,873 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 09:28:23,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 09:28:23,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486176922] [2024-04-05 09:28:23,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486176922] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 09:28:23,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 09:28:23,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-05 09:28:23,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032129746] [2024-04-05 09:28:23,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 09:28:23,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-05 09:28:23,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 09:28:23,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-05 09:28:23,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-05 09:28:23,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:23,879 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 09:28:23,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 09:28:23,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:23,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:28:23,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:23,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:23,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:28:23,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:28:23,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-05 09:28:23,981 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 09:28:23,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 09:28:23,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1502204129, now seen corresponding path program 1 times [2024-04-05 09:28:23,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 09:28:23,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544119155] [2024-04-05 09:28:23,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:28:23,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:28:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:28:24,123 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 09:28:24,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 09:28:24,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544119155] [2024-04-05 09:28:24,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544119155] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 09:28:24,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 09:28:24,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-05 09:28:24,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77801391] [2024-04-05 09:28:24,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 09:28:24,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-05 09:28:24,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 09:28:24,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-05 09:28:24,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-04-05 09:28:24,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:24,126 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 09:28:24,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 09:28:24,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:24,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:28:24,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:28:24,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:24,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:24,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:28:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:28:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:24,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-05 09:28:24,177 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 09:28:24,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 09:28:24,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1237801094, now seen corresponding path program 2 times [2024-04-05 09:28:24,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 09:28:24,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472468382] [2024-04-05 09:28:24,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:28:24,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:28:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:28:24,480 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-04-05 09:28:24,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 09:28:24,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472468382] [2024-04-05 09:28:24,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472468382] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 09:28:24,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822481326] [2024-04-05 09:28:24,481 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 09:28:24,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 09:28:24,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 09:28:24,484 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 09:28:24,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 09:28:24,607 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 09:28:24,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 09:28:24,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-05 09:28:24,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 09:28:24,837 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-04-05 09:28:24,838 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 09:28:25,167 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-04-05 09:28:25,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822481326] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 09:28:25,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 09:28:25,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 14 [2024-04-05 09:28:25,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422709751] [2024-04-05 09:28:25,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 09:28:25,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-05 09:28:25,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 09:28:25,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-05 09:28:25,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-04-05 09:28:25,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:25,170 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 09:28:25,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 20.071428571428573) internal successors, (281), 14 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 09:28:25,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:25,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:28:25,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:28:25,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:25,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:25,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:25,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:28:25,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:28:25,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:25,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 09:28:25,852 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-05 09:28:26,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 09:28:26,046 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 09:28:26,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 09:28:26,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1251465784, now seen corresponding path program 3 times [2024-04-05 09:28:26,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 09:28:26,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623248156] [2024-04-05 09:28:26,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:28:26,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:28:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:28:26,274 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-04-05 09:28:26,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 09:28:26,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623248156] [2024-04-05 09:28:26,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623248156] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 09:28:26,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546180590] [2024-04-05 09:28:26,275 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 09:28:26,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 09:28:26,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 09:28:26,277 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 09:28:26,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 09:28:26,378 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-05 09:28:26,378 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 09:28:26,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-05 09:28:26,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 09:28:26,559 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-04-05 09:28:26,559 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 09:28:26,784 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-04-05 09:28:26,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546180590] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 09:28:26,785 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 09:28:26,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-04-05 09:28:26,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808144366] [2024-04-05 09:28:26,785 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 09:28:26,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-05 09:28:26,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 09:28:26,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-05 09:28:26,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-04-05 09:28:26,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:26,788 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 09:28:26,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.210526315789474) internal successors, (175), 19 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 09:28:26,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:26,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:28:26,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:28:26,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:26,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 09:28:26,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:27,560 INFO L85 PathProgramCache]: Analyzing trace with hash 2146209378, now seen corresponding path program 1 times [2024-04-05 09:28:27,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:28:27,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:28:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:28:28,429 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:28:28,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:28:28,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:28:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:28:29,052 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:28:29,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:29,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:28:29,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:28:29,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 09:28:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:28:29,108 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-05 09:28:29,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 09:28:29,298 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 09:28:29,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 09:28:29,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1324483748, now seen corresponding path program 4 times [2024-04-05 09:28:29,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 09:28:29,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262274876] [2024-04-05 09:28:29,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:28:29,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:28:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:28:29,533 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-04-05 09:28:29,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 09:28:29,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262274876] [2024-04-05 09:28:29,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262274876] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 09:28:29,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782858604] [2024-04-05 09:28:29,535 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 09:28:29,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 09:28:29,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 09:28:29,548 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 09:28:29,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 09:28:29,638 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 09:28:29,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 09:28:29,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-05 09:28:29,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 09:28:29,940 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 37 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-04-05 09:28:29,940 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 09:28:30,313 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 39 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-04-05 09:28:30,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782858604] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 09:28:30,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 09:28:30,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2024-04-05 09:28:30,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647950353] [2024-04-05 09:28:30,314 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 09:28:30,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-04-05 09:28:30,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 09:28:30,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-04-05 09:28:30,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2024-04-05 09:28:30,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:30,315 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 09:28:30,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 8.678571428571429) internal successors, (243), 28 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 09:28:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:28:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:28:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 09:28:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:28:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:30,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:30,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:28:30,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:28:30,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:30,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 09:28:30,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:28:30,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:28:30,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-05 09:28:31,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 09:28:31,161 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 09:28:31,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 09:28:31,162 INFO L85 PathProgramCache]: Analyzing trace with hash -311248768, now seen corresponding path program 5 times [2024-04-05 09:28:31,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 09:28:31,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526519889] [2024-04-05 09:28:31,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:28:31,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:28:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:28:31,537 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-04-05 09:28:31,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 09:28:31,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526519889] [2024-04-05 09:28:31,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526519889] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 09:28:31,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437072950] [2024-04-05 09:28:31,541 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 09:28:31,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 09:28:31,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 09:28:31,542 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 09:28:31,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-05 09:28:31,628 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 09:28:31,629 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 09:28:31,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2024-04-05 09:28:31,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 09:28:31,663 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-04-05 09:28:31,663 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-05 09:28:31,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437072950] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 09:28:31,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-05 09:28:31,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-04-05 09:28:31,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956014280] [2024-04-05 09:28:31,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 09:28:31,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-05 09:28:31,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 09:28:31,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-05 09:28:31,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-04-05 09:28:31,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:31,666 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 09:28:31,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 09:28:31,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:31,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:28:31,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:28:31,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:31,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 09:28:31,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:28:31,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:28:31,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:32,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:32,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:28:32,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:28:32,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:32,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 09:28:32,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:28:32,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:28:32,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:32,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-05 09:28:32,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-04-05 09:28:32,217 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 09:28:32,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 09:28:32,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1452571484, now seen corresponding path program 1 times [2024-04-05 09:28:32,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 09:28:32,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668445266] [2024-04-05 09:28:32,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:28:32,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:28:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:28:32,564 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 50 proven. 101 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-05 09:28:32,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 09:28:32,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668445266] [2024-04-05 09:28:32,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668445266] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 09:28:32,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329384162] [2024-04-05 09:28:32,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:28:32,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 09:28:32,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 09:28:32,578 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 09:28:32,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-05 09:28:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:28:32,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 15 conjunts are in the unsatisfiable core [2024-04-05 09:28:32,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 09:28:33,114 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 131 proven. 27 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-04-05 09:28:33,115 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 09:28:33,534 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 88 proven. 70 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-04-05 09:28:33,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329384162] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 09:28:33,535 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 09:28:33,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2024-04-05 09:28:33,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323444033] [2024-04-05 09:28:33,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 09:28:33,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-04-05 09:28:33,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 09:28:33,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-04-05 09:28:33,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=1097, Unknown=0, NotChecked=0, Total=1332 [2024-04-05 09:28:33,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:33,538 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 09:28:33,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 9.027027027027026) internal successors, (334), 37 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 09:28:33,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:33,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:28:33,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:28:33,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:33,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 09:28:33,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:28:33,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:28:33,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:33,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:34,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:34,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:28:34,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:28:34,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:34,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 09:28:34,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:28:34,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:28:34,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:34,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-05 09:28:34,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-05 09:28:34,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 09:28:34,407 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 09:28:34,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 09:28:34,408 INFO L85 PathProgramCache]: Analyzing trace with hash -608668032, now seen corresponding path program 2 times [2024-04-05 09:28:34,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 09:28:34,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493809780] [2024-04-05 09:28:34,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:28:34,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:28:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:28:34,874 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 92 proven. 94 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-05 09:28:34,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 09:28:34,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493809780] [2024-04-05 09:28:34,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493809780] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 09:28:34,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618668425] [2024-04-05 09:28:34,879 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 09:28:34,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 09:28:34,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 09:28:34,894 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 09:28:34,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-05 09:28:35,017 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 09:28:35,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 09:28:35,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-05 09:28:35,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 09:28:35,575 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 134 proven. 52 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-05 09:28:35,576 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 09:28:36,123 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 50 proven. 136 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-05 09:28:36,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618668425] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 09:28:36,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 09:28:36,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 46 [2024-04-05 09:28:36,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830753217] [2024-04-05 09:28:36,124 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 09:28:36,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-04-05 09:28:36,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 09:28:36,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-04-05 09:28:36,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=347, Invalid=1723, Unknown=0, NotChecked=0, Total=2070 [2024-04-05 09:28:36,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:36,126 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 09:28:36,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 8.282608695652174) internal successors, (381), 46 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 09:28:36,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:36,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:28:36,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:28:36,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:36,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 09:28:36,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:28:36,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:28:36,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:36,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-05 09:28:36,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:36,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:36,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:28:36,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:28:36,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:36,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 09:28:36,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:28:36,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:28:36,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:36,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-05 09:28:36,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-05 09:28:36,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-05 09:28:37,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-04-05 09:28:37,182 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 09:28:37,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 09:28:37,182 INFO L85 PathProgramCache]: Analyzing trace with hash -2142171740, now seen corresponding path program 3 times [2024-04-05 09:28:37,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 09:28:37,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224586154] [2024-04-05 09:28:37,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:28:37,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:28:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:28:37,538 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 48 proven. 54 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-04-05 09:28:37,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 09:28:37,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224586154] [2024-04-05 09:28:37,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224586154] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 09:28:37,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185951460] [2024-04-05 09:28:37,538 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 09:28:37,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 09:28:37,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 09:28:37,540 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 09:28:37,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-05 09:28:37,793 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-05 09:28:37,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 09:28:37,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 6 conjunts are in the unsatisfiable core [2024-04-05 09:28:37,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 09:28:37,829 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 63 proven. 1 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-04-05 09:28:37,829 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 09:28:37,880 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 63 proven. 1 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-04-05 09:28:37,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185951460] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 09:28:37,880 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 09:28:37,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2024-04-05 09:28:37,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084256437] [2024-04-05 09:28:37,881 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 09:28:37,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-04-05 09:28:37,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 09:28:37,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-04-05 09:28:37,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-04-05 09:28:37,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:37,883 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 09:28:37,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 15.416666666666666) internal successors, (185), 12 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 09:28:37,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:37,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:28:37,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:28:37,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:37,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 09:28:37,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:28:37,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:28:37,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:37,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-05 09:28:37,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-05 09:28:37,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:38,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:38,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:28:38,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:28:38,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:38,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 09:28:38,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:28:38,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:28:38,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:38,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-05 09:28:38,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-05 09:28:38,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 09:28:38,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-05 09:28:38,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 09:28:38,732 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 09:28:38,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 09:28:38,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1272559252, now seen corresponding path program 6 times [2024-04-05 09:28:38,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 09:28:38,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97115922] [2024-04-05 09:28:38,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:28:38,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:28:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:28:40,505 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 1 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:28:40,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 09:28:40,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97115922] [2024-04-05 09:28:40,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97115922] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 09:28:40,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308041995] [2024-04-05 09:28:40,506 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 09:28:40,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 09:28:40,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 09:28:40,517 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 09:28:40,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-05 09:28:40,625 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-04-05 09:28:40,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 09:28:40,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 17 conjunts are in the unsatisfiable core [2024-04-05 09:28:40,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 09:28:40,961 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-04-05 09:28:40,961 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 09:28:41,084 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 09:28:41,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 24 [2024-04-05 09:28:41,518 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-04-05 09:28:41,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308041995] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 09:28:41,519 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 09:28:41,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 9, 9] total 38 [2024-04-05 09:28:41,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603025268] [2024-04-05 09:28:41,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 09:28:41,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-04-05 09:28:41,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 09:28:41,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-04-05 09:28:41,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=1161, Unknown=0, NotChecked=0, Total=1406 [2024-04-05 09:28:41,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:41,521 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 09:28:41,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 8.657894736842104) internal successors, (329), 38 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 09:28:41,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:41,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:28:41,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:28:41,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:41,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 09:28:41,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:28:41,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:28:41,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:41,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-05 09:28:41,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-05 09:28:41,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-05 09:28:41,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:43,086 INFO L85 PathProgramCache]: Analyzing trace with hash 2099085603, now seen corresponding path program 1 times [2024-04-05 09:28:43,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:28:43,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:28:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:28:46,281 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:28:46,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:28:46,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:28:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:28:49,392 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:28:49,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:49,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:28:49,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:28:49,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:49,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 09:28:49,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:28:49,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:28:49,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:49,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-05 09:28:49,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-05 09:28:49,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 09:28:49,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 09:28:49,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-05 09:28:49,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2024-04-05 09:28:49,701 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 09:28:49,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 09:28:49,701 INFO L85 PathProgramCache]: Analyzing trace with hash -711552761, now seen corresponding path program 4 times [2024-04-05 09:28:49,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 09:28:49,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223893840] [2024-04-05 09:28:49,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:28:49,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:28:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:28:52,178 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 2 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:28:52,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 09:28:52,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223893840] [2024-04-05 09:28:52,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223893840] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 09:28:52,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024682287] [2024-04-05 09:28:52,179 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 09:28:52,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 09:28:52,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 09:28:52,180 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 09:28:52,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-05 09:28:52,324 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 09:28:52,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 09:28:52,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-05 09:28:52,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 09:28:52,793 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-04-05 09:28:52,793 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 09:28:53,063 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 09:28:53,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 75 treesize of output 60 [2024-04-05 09:28:53,563 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-04-05 09:28:53,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1024682287] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 09:28:53,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 09:28:53,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 10, 10] total 41 [2024-04-05 09:28:53,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716855830] [2024-04-05 09:28:53,563 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 09:28:53,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-04-05 09:28:53,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 09:28:53,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-04-05 09:28:53,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=1422, Unknown=0, NotChecked=0, Total=1640 [2024-04-05 09:28:53,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:53,567 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 09:28:53,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 9.024390243902438) internal successors, (370), 41 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 09:28:53,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:53,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:28:53,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:28:53,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:53,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 09:28:53,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:28:53,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:28:53,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:53,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-05 09:28:53,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-05 09:28:53,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-05 09:28:53,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 09:28:53,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:56,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:28:56,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:28:56,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:28:56,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:56,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 09:28:56,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:28:56,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:28:56,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:28:56,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-05 09:28:56,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-05 09:28:56,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 09:28:56,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 09:28:56,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-05 09:28:56,190 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-04-05 09:28:56,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-04-05 09:28:56,389 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 09:28:56,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 09:28:56,390 INFO L85 PathProgramCache]: Analyzing trace with hash 640945982, now seen corresponding path program 5 times [2024-04-05 09:28:56,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 09:28:56,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761329936] [2024-04-05 09:28:56,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:28:56,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:28:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:29:01,233 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 3 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:29:01,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 09:29:01,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761329936] [2024-04-05 09:29:01,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761329936] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 09:29:01,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768678615] [2024-04-05 09:29:01,233 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 09:29:01,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 09:29:01,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 09:29:01,234 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 09:29:01,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-05 09:29:01,376 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-04-05 09:29:01,376 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 09:29:01,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 57 conjunts are in the unsatisfiable core [2024-04-05 09:29:01,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 09:29:02,263 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 4 proven. 166 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 09:29:02,263 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 09:29:02,663 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 09:29:02,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 108 treesize of output 114 [2024-04-05 09:29:03,192 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 3 proven. 43 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-04-05 09:29:03,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768678615] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 09:29:03,193 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 09:29:03,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 25, 13] total 63 [2024-04-05 09:29:03,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664480807] [2024-04-05 09:29:03,194 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 09:29:03,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-04-05 09:29:03,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 09:29:03,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-04-05 09:29:03,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=442, Invalid=3464, Unknown=0, NotChecked=0, Total=3906 [2024-04-05 09:29:03,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:29:03,205 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 09:29:03,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 7.095238095238095) internal successors, (447), 63 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 09:29:03,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:29:03,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:29:03,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:29:03,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:29:03,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 09:29:03,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:29:03,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:29:03,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:29:03,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-05 09:29:03,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-05 09:29:03,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-05 09:29:03,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 09:29:03,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-05 09:29:03,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:29:07,921 INFO L85 PathProgramCache]: Analyzing trace with hash -73313754, now seen corresponding path program 2 times [2024-04-05 09:29:07,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:29:07,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:29:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:29:11,480 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 80 proven. 328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:29:11,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:29:11,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:29:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:29:14,761 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 117 proven. 291 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:29:14,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:29:14,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:29:14,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:29:14,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:29:14,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 09:29:14,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:29:14,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:29:14,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:29:14,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-05 09:29:14,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-05 09:29:14,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 09:29:14,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 09:29:14,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 09:29:14,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-04-05 09:29:14,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-04-05 09:29:15,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-04-05 09:29:15,115 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 09:29:15,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 09:29:15,115 INFO L85 PathProgramCache]: Analyzing trace with hash 2051138769, now seen corresponding path program 6 times [2024-04-05 09:29:15,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 09:29:15,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035367053] [2024-04-05 09:29:15,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:29:15,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:29:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:29:15,765 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 223 proven. 301 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 09:29:15,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 09:29:15,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035367053] [2024-04-05 09:29:15,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035367053] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 09:29:15,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680022357] [2024-04-05 09:29:15,766 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 09:29:15,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 09:29:15,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 09:29:15,767 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 09:29:15,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-05 09:29:16,139 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-04-05 09:29:16,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 09:29:16,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 32 conjunts are in the unsatisfiable core [2024-04-05 09:29:16,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 09:29:17,289 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 265 proven. 259 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 09:29:17,289 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 09:29:18,562 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 283 proven. 241 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 09:29:18,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680022357] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 09:29:18,562 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 09:29:18,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 30] total 82 [2024-04-05 09:29:18,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554064539] [2024-04-05 09:29:18,562 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 09:29:18,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-04-05 09:29:18,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 09:29:18,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-04-05 09:29:18,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1158, Invalid=5484, Unknown=0, NotChecked=0, Total=6642 [2024-04-05 09:29:18,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:29:18,566 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 09:29:18,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 7.987804878048781) internal successors, (655), 82 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 09:29:18,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:29:18,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:29:18,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:29:18,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:29:18,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-05 09:29:18,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:29:18,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:29:18,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:29:18,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-05 09:29:18,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-05 09:29:18,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 09:29:18,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 09:29:18,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 09:29:18,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-04-05 09:29:18,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:29:20,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:29:20,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:29:20,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:29:20,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:29:20,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 09:29:20,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:29:20,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:29:20,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:29:20,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-05 09:29:20,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-05 09:29:20,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 09:29:20,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 09:29:20,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 09:29:20,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-04-05 09:29:20,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 09:29:20,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-05 09:29:20,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-04-05 09:29:20,622 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 09:29:20,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 09:29:20,623 INFO L85 PathProgramCache]: Analyzing trace with hash 84970997, now seen corresponding path program 7 times [2024-04-05 09:29:20,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 09:29:20,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005610322] [2024-04-05 09:29:20,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:29:20,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:29:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:29:24,548 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 157 proven. 426 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:29:24,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 09:29:24,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005610322] [2024-04-05 09:29:24,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005610322] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 09:29:24,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628604337] [2024-04-05 09:29:24,548 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-05 09:29:24,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 09:29:24,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 09:29:24,549 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 09:29:24,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-05 09:29:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:29:24,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 78 conjunts are in the unsatisfiable core [2024-04-05 09:29:24,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 09:29:31,833 INFO L349 Elim1Store]: treesize reduction 270, result has 42.4 percent of original size [2024-04-05 09:29:31,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 135 treesize of output 232 [2024-04-05 09:29:32,749 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 31 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:29:32,749 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 09:29:36,164 INFO L349 Elim1Store]: treesize reduction 260, result has 44.6 percent of original size [2024-04-05 09:29:36,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 206 treesize of output 260 [2024-04-05 09:29:40,299 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 21 proven. 562 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:29:40,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628604337] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 09:29:40,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 09:29:40,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 43, 43] total 127 [2024-04-05 09:29:40,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924867984] [2024-04-05 09:29:40,300 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 09:29:40,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2024-04-05 09:29:40,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 09:29:40,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2024-04-05 09:29:40,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1882, Invalid=14120, Unknown=0, NotChecked=0, Total=16002 [2024-04-05 09:29:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:29:40,310 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 09:29:40,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 127 states have (on average 5.724409448818897) internal successors, (727), 127 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 09:29:40,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:29:40,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:29:40,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:29:40,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:29:40,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-05 09:29:40,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:29:40,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:29:40,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:29:40,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-05 09:29:40,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-05 09:29:40,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 09:29:40,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 09:29:40,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 09:29:40,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-04-05 09:29:40,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-05 09:29:40,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:29:48,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:29:48,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:29:48,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:29:48,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:29:48,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 09:29:48,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:29:48,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:29:48,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:29:48,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-05 09:29:48,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-05 09:29:48,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 09:29:48,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 09:29:48,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 09:29:48,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-04-05 09:29:48,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 09:29:48,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-05 09:29:48,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-05 09:29:48,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-04-05 09:29:48,412 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 09:29:48,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 09:29:48,413 INFO L85 PathProgramCache]: Analyzing trace with hash -389688551, now seen corresponding path program 8 times [2024-04-05 09:29:48,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 09:29:48,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013268358] [2024-04-05 09:29:48,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:29:48,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:29:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:29:56,821 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 21 proven. 627 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:29:56,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 09:29:56,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013268358] [2024-04-05 09:29:56,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013268358] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 09:29:56,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325939033] [2024-04-05 09:29:56,823 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 09:29:56,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 09:29:56,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 09:29:56,824 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 09:29:56,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-05 09:29:57,089 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 09:29:57,090 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 09:29:57,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 111 conjunts are in the unsatisfiable core [2024-04-05 09:29:57,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 09:30:00,496 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 09:30:00,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 73 treesize of output 25 [2024-04-05 09:30:00,709 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 3 proven. 645 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:30:00,710 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 09:30:02,895 INFO L349 Elim1Store]: treesize reduction 150, result has 57.0 percent of original size [2024-04-05 09:30:02,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 211 treesize of output 250 [2024-04-05 09:30:05,632 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 0 proven. 648 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:30:05,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [325939033] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 09:30:05,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 09:30:05,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 50, 45] total 128 [2024-04-05 09:30:05,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374113290] [2024-04-05 09:30:05,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 09:30:05,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2024-04-05 09:30:05,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 09:30:05,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2024-04-05 09:30:05,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2248, Invalid=14008, Unknown=0, NotChecked=0, Total=16256 [2024-04-05 09:30:05,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:30:05,638 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 09:30:05,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 128 states have (on average 5.609375) internal successors, (718), 128 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 09:30:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:30:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:30:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:30:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:30:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-05 09:30:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:30:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:30:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:30:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-05 09:30:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-05 09:30:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 09:30:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 09:30:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 09:30:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-04-05 09:30:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-05 09:30:05,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-05 09:30:05,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:30:17,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1612246632, now seen corresponding path program 3 times [2024-04-05 09:30:17,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:30:17,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:30:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:30:28,487 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 56 proven. 731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:30:28,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:30:28,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:30:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:30:39,474 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 56 proven. 731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:30:39,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:30:39,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:30:39,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:30:39,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:30:39,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 09:30:39,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:30:39,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:30:39,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:30:39,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-05 09:30:39,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-05 09:30:39,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 09:30:39,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 09:30:39,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 09:30:39,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-04-05 09:30:39,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 09:30:39,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-05 09:30:39,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-04-05 09:30:39,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-05 09:30:39,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24 [2024-04-05 09:30:39,968 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 09:30:39,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 09:30:39,968 INFO L85 PathProgramCache]: Analyzing trace with hash 349737155, now seen corresponding path program 9 times [2024-04-05 09:30:39,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 09:30:39,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917750630] [2024-04-05 09:30:39,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:30:39,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:30:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:30:45,615 INFO L134 CoverageAnalysis]: Checked inductivity of 942 backedges. 347 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:30:45,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 09:30:45,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917750630] [2024-04-05 09:30:45,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917750630] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 09:30:45,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661101774] [2024-04-05 09:30:45,615 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 09:30:45,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 09:30:45,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 09:30:45,616 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 09:30:45,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-05 09:30:46,035 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-04-05 09:30:46,035 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 09:30:46,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 128 conjunts are in the unsatisfiable core [2024-04-05 09:30:46,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 09:30:51,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 09:30:51,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 09:30:51,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 09:30:51,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 09:30:51,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 09:30:51,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 09:30:51,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 09:30:51,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 09:30:51,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 09:30:51,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 09:30:51,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 09:30:51,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 09:30:51,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 09:30:51,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 09:30:51,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 09:30:51,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 09:30:51,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 09:30:51,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 09:30:51,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 09:30:51,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 09:30:51,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 09:30:51,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 09:30:51,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 09:30:51,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 09:30:51,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 09:30:51,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 09:30:51,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 09:30:51,569 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 09:30:51,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 70 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 152 treesize of output 252 [2024-04-05 09:30:52,201 INFO L134 CoverageAnalysis]: Checked inductivity of 942 backedges. 11 proven. 931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:30:52,201 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 09:30:57,040 INFO L349 Elim1Store]: treesize reduction 364, result has 50.9 percent of original size [2024-04-05 09:30:57,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 278 treesize of output 442 [2024-04-05 09:31:05,558 INFO L134 CoverageAnalysis]: Checked inductivity of 942 backedges. 0 proven. 942 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:31:05,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661101774] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 09:31:05,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 09:31:05,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 56, 51] total 159 [2024-04-05 09:31:05,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79297378] [2024-04-05 09:31:05,559 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 09:31:05,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 159 states [2024-04-05 09:31:05,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 09:31:05,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2024-04-05 09:31:05,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2577, Invalid=22545, Unknown=0, NotChecked=0, Total=25122 [2024-04-05 09:31:05,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:31:05,564 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 09:31:05,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 159 states, 159 states have (on average 5.515723270440252) internal successors, (877), 159 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 09:31:05,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:31:05,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:31:05,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:31:05,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:31:05,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-05 09:31:05,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:31:05,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:31:05,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:31:05,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-05 09:31:05,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-05 09:31:05,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 09:31:05,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 09:31:05,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 09:31:05,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-04-05 09:31:05,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-05 09:31:05,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-05 09:31:05,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-04-05 09:31:05,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:31:32,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:31:32,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:31:32,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:31:32,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:31:32,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 09:31:32,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:31:32,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:31:32,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:31:32,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-05 09:31:32,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-05 09:31:32,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 09:31:32,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 09:31:32,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 09:31:32,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-04-05 09:31:32,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 09:31:32,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-05 09:31:32,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-04-05 09:31:32,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2024-04-05 09:31:32,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-04-05 09:31:32,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 09:31:32,343 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 09:31:32,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 09:31:32,343 INFO L85 PathProgramCache]: Analyzing trace with hash 269856743, now seen corresponding path program 10 times [2024-04-05 09:31:32,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 09:31:32,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498107411] [2024-04-05 09:31:32,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:31:32,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:31:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:31:49,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1023 backedges. 38 proven. 985 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:31:49,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 09:31:49,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498107411] [2024-04-05 09:31:49,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498107411] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 09:31:49,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959589046] [2024-04-05 09:31:49,073 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 09:31:49,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 09:31:49,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 09:31:49,074 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 09:31:49,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-05 09:31:49,439 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 09:31:49,439 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 09:31:49,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 116 conjunts are in the unsatisfiable core [2024-04-05 09:31:49,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 09:31:53,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1023 backedges. 87 proven. 934 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 09:31:53,388 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 09:31:56,232 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 09:31:56,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 279 treesize of output 690 [2024-04-05 09:31:58,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1023 backedges. 21 proven. 551 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-04-05 09:31:58,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [959589046] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 09:31:58,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 09:31:58,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 44, 22] total 127 [2024-04-05 09:31:58,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623103108] [2024-04-05 09:31:58,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 09:31:58,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2024-04-05 09:31:58,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 09:31:58,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2024-04-05 09:31:58,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=946, Invalid=15056, Unknown=0, NotChecked=0, Total=16002 [2024-04-05 09:31:58,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:31:58,438 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 09:31:58,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 127 states have (on average 6.543307086614173) internal successors, (831), 127 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 09:31:58,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:31:58,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:31:58,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:31:58,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:31:58,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-05 09:31:58,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:31:58,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:31:58,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:31:58,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-05 09:31:58,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-05 09:31:58,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 09:31:58,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 09:31:58,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 09:31:58,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-04-05 09:31:58,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-05 09:31:58,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-05 09:31:58,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-04-05 09:31:58,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2024-04-05 09:31:58,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:32:25,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:32:25,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:32:25,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:32:25,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:32:25,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 09:32:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:32:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:32:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:32:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-05 09:32:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-05 09:32:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 09:32:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 09:32:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 09:32:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-04-05 09:32:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 09:32:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-05 09:32:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-04-05 09:32:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-04-05 09:32:25,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-04-05 09:32:25,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-04-05 09:32:25,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-04-05 09:32:25,874 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 09:32:25,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 09:32:25,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1512461830, now seen corresponding path program 11 times [2024-04-05 09:32:25,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 09:32:25,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886121017] [2024-04-05 09:32:25,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:32:25,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:32:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:32:27,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1486 backedges. 412 proven. 1072 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 09:32:27,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 09:32:27,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886121017] [2024-04-05 09:32:27,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886121017] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 09:32:27,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174262591] [2024-04-05 09:32:27,261 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 09:32:27,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 09:32:27,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 09:32:27,273 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 09:32:27,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-04-05 09:32:27,567 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2024-04-05 09:32:27,567 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 09:32:27,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 47 conjunts are in the unsatisfiable core [2024-04-05 09:32:27,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 09:32:29,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1486 backedges. 797 proven. 687 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 09:32:29,574 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 09:32:31,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1486 backedges. 839 proven. 645 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 09:32:31,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174262591] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 09:32:31,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 09:32:31,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 46, 45] total 127 [2024-04-05 09:32:31,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521664353] [2024-04-05 09:32:31,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 09:32:31,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2024-04-05 09:32:31,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 09:32:31,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2024-04-05 09:32:31,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2768, Invalid=13234, Unknown=0, NotChecked=0, Total=16002 [2024-04-05 09:32:31,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:32:31,657 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 09:32:31,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 127 states have (on average 7.692913385826771) internal successors, (977), 127 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 09:32:31,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:32:31,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:32:31,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:32:31,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:32:31,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-05 09:32:31,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:32:31,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:32:31,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:32:31,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-05 09:32:31,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-05 09:32:31,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 09:32:31,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 09:32:31,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 09:32:31,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-04-05 09:32:31,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-05 09:32:31,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-05 09:32:31,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-04-05 09:32:31,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-04-05 09:32:31,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-04-05 09:32:31,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:32:37,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1977780238, now seen corresponding path program 1 times [2024-04-05 09:32:37,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:32:37,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:32:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:32:47,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1217 backedges. 0 proven. 794 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2024-04-05 09:32:47,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:32:47,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:32:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:32:55,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1217 backedges. 0 proven. 794 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2024-04-05 09:32:55,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:32:55,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:32:55,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:32:55,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:32:55,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 09:32:55,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:32:55,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:32:55,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:32:55,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-05 09:32:55,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-05 09:32:55,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 09:32:55,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 09:32:55,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 09:32:55,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-04-05 09:32:55,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 09:32:55,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-05 09:32:55,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-04-05 09:32:55,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-04-05 09:32:55,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-04-05 09:32:55,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-04-05 09:32:55,849 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-04-05 09:32:56,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-04-05 09:32:56,048 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 09:32:56,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 09:32:56,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1683373854, now seen corresponding path program 12 times [2024-04-05 09:32:56,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 09:32:56,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606311531] [2024-04-05 09:32:56,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:32:56,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:32:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:33:03,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1583 backedges. 432 proven. 1151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:33:03,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 09:33:03,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606311531] [2024-04-05 09:33:03,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606311531] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 09:33:03,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206765834] [2024-04-05 09:33:03,633 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 09:33:03,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 09:33:03,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 09:33:03,634 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 09:33:03,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-04-05 09:33:04,698 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2024-04-05 09:33:04,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 09:33:04,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 727 conjuncts, 147 conjunts are in the unsatisfiable core [2024-04-05 09:33:04,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 09:33:12,090 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 09:33:12,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 106 treesize of output 36 [2024-04-05 09:33:12,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1583 backedges. 15 proven. 1568 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:33:12,432 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 09:33:17,857 INFO L349 Elim1Store]: treesize reduction 360, result has 54.6 percent of original size [2024-04-05 09:33:17,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 312 treesize of output 504 [2024-04-05 09:33:21,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1583 backedges. 84 proven. 1499 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:33:21,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206765834] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 09:33:21,718 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 09:33:21,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 66, 61] total 189 [2024-04-05 09:33:21,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406303275] [2024-04-05 09:33:21,719 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 09:33:21,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 189 states [2024-04-05 09:33:21,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 09:33:21,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 189 interpolants. [2024-04-05 09:33:21,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5535, Invalid=29997, Unknown=0, NotChecked=0, Total=35532 [2024-04-05 09:33:21,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:33:21,724 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 09:33:21,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 189 states, 189 states have (on average 5.592592592592593) internal successors, (1057), 189 states have internal predecessors, (1057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 09:33:21,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:33:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:33:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:33:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:33:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-05 09:33:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:33:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:33:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:33:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-05 09:33:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-05 09:33:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 09:33:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 09:33:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 09:33:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-04-05 09:33:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-05 09:33:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-05 09:33:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-04-05 09:33:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-04-05 09:33:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-04-05 09:33:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-04-05 09:33:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:34:32,220 INFO L85 PathProgramCache]: Analyzing trace with hash 38959800, now seen corresponding path program 2 times [2024-04-05 09:34:32,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:34:32,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:34:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:34:50,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1592 backedges. 0 proven. 1159 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2024-04-05 09:34:50,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:34:50,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:34:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:35:03,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1592 backedges. 0 proven. 1159 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2024-04-05 09:35:04,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:35:04,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:35:04,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:35:04,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:35:04,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 09:35:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:35:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:35:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:35:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-05 09:35:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-05 09:35:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 09:35:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 09:35:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 09:35:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-04-05 09:35:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 09:35:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-05 09:35:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-04-05 09:35:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-04-05 09:35:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-04-05 09:35:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-04-05 09:35:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 417 states. [2024-04-05 09:35:04,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-04-05 09:35:04,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32 [2024-04-05 09:35:04,961 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 09:35:04,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 09:35:04,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1487381704, now seen corresponding path program 13 times [2024-04-05 09:35:04,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 09:35:04,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145425427] [2024-04-05 09:35:04,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:35:04,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:35:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:35:06,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 1114 proven. 916 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 09:35:06,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 09:35:06,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145425427] [2024-04-05 09:35:06,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145425427] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 09:35:06,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68334829] [2024-04-05 09:35:06,733 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-05 09:35:06,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 09:35:06,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 09:35:06,734 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 09:35:06,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-04-05 09:35:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:35:06,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 53 conjunts are in the unsatisfiable core [2024-04-05 09:35:06,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 09:35:09,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 1114 proven. 916 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 09:35:09,469 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 09:35:12,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 1163 proven. 867 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 09:35:12,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68334829] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 09:35:12,719 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 09:35:12,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52, 51] total 146 [2024-04-05 09:35:12,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742040506] [2024-04-05 09:35:12,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 09:35:12,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 146 states [2024-04-05 09:35:12,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 09:35:12,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2024-04-05 09:35:12,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3776, Invalid=17394, Unknown=0, NotChecked=0, Total=21170 [2024-04-05 09:35:12,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:35:12,725 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 09:35:12,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 146 states, 146 states have (on average 7.595890410958904) internal successors, (1109), 146 states have internal predecessors, (1109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 09:35:12,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:35:12,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:35:12,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:35:12,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:35:12,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-05 09:35:12,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:35:12,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:35:12,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:35:12,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-05 09:35:12,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-05 09:35:12,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 09:35:12,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 09:35:12,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 09:35:12,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-04-05 09:35:12,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-05 09:35:12,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-05 09:35:12,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-04-05 09:35:12,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-04-05 09:35:12,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-04-05 09:35:12,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-04-05 09:35:12,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 417 states. [2024-04-05 09:35:12,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:35:26,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1237934495, now seen corresponding path program 4 times [2024-04-05 09:35:26,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:35:26,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:35:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:36:24,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1744 backedges. 80 proven. 1664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:36:24,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:36:24,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:36:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:37:26,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1744 backedges. 296 proven. 1448 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:37:26,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:37:26,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 09:37:26,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:37:26,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:37:26,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 09:37:26,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 09:37:26,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-05 09:37:26,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 09:37:26,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-05 09:37:26,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-05 09:37:26,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 09:37:26,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 09:37:26,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 09:37:26,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-04-05 09:37:26,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 09:37:26,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-05 09:37:26,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-04-05 09:37:26,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-04-05 09:37:26,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-04-05 09:37:26,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-04-05 09:37:26,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 417 states. [2024-04-05 09:37:26,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-05 09:37:26,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-04-05 09:37:26,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 09:37:26,620 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 09:37:26,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 09:37:26,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1661725716, now seen corresponding path program 14 times [2024-04-05 09:37:26,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 09:37:26,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066190462] [2024-04-05 09:37:26,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 09:37:26,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 09:37:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 09:37:37,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 750 proven. 1395 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 09:37:37,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 09:37:37,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066190462] [2024-04-05 09:37:37,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066190462] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 09:37:37,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175385493] [2024-04-05 09:37:37,702 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 09:37:37,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 09:37:37,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 09:37:37,709 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 09:37:37,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-04-05 09:37:38,247 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 09:37:38,247 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 09:37:38,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 124 conjunts are in the unsatisfiable core [2024-04-05 09:37:38,270 INFO L285 TraceCheckSpWp]: Computing forward predicates...