/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-06 02:55:48,805 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-06 02:55:48,867 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-06 02:55:48,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-06 02:55:48,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-06 02:55:48,901 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-06 02:55:48,902 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-06 02:55:48,902 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-06 02:55:48,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-06 02:55:48,906 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-06 02:55:48,906 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-06 02:55:48,906 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-06 02:55:48,907 INFO L153 SettingsManager]: * Use SBE=true [2024-05-06 02:55:48,908 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-06 02:55:48,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-06 02:55:48,908 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-06 02:55:48,908 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-06 02:55:48,908 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-06 02:55:48,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-06 02:55:48,909 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-06 02:55:48,909 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-06 02:55:48,909 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-06 02:55:48,909 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-06 02:55:48,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-06 02:55:48,910 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-06 02:55:48,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-06 02:55:48,910 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-06 02:55:48,910 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-06 02:55:48,910 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-06 02:55:48,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 02:55:48,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-06 02:55:48,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-06 02:55:48,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-06 02:55:48,912 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-06 02:55:48,912 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-06 02:55:48,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-06 02:55:48,912 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-06 02:55:48,912 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-06 02:55:48,912 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-06 02:55:48,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT [2024-05-06 02:55:49,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-06 02:55:49,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-06 02:55:49,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-06 02:55:49,183 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-06 02:55:49,184 INFO L274 PluginConnector]: CDTParser initialized [2024-05-06 02:55:49,185 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2024-05-06 02:55:50,378 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-06 02:55:50,591 INFO L384 CDTParser]: Found 1 translation units. [2024-05-06 02:55:50,592 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2024-05-06 02:55:50,601 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/573a6329b/428f82a923be4167a47ad3f2859fd60a/FLAG6c2aa4949 [2024-05-06 02:55:50,612 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/573a6329b/428f82a923be4167a47ad3f2859fd60a [2024-05-06 02:55:50,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-06 02:55:50,615 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-06 02:55:50,616 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-06 02:55:50,616 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-06 02:55:50,619 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-06 02:55:50,620 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 02:55:50" (1/1) ... [2024-05-06 02:55:50,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3922b451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:55:50, skipping insertion in model container [2024-05-06 02:55:50,621 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 02:55:50" (1/1) ... [2024-05-06 02:55:50,651 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-06 02:55:50,768 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i[1092,1105] [2024-05-06 02:55:50,870 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 02:55:50,884 INFO L202 MainTranslator]: Completed pre-run [2024-05-06 02:55:50,896 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i[1092,1105] [2024-05-06 02:55:50,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 02:55:50,980 INFO L206 MainTranslator]: Completed translation [2024-05-06 02:55:50,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:55:50 WrapperNode [2024-05-06 02:55:50,981 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-06 02:55:50,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-06 02:55:50,983 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-06 02:55:50,983 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-06 02:55:50,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:55:50" (1/1) ... [2024-05-06 02:55:51,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:55:50" (1/1) ... [2024-05-06 02:55:51,048 INFO L138 Inliner]: procedures = 166, calls = 53, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 149 [2024-05-06 02:55:51,048 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-06 02:55:51,049 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-06 02:55:51,049 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-06 02:55:51,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-06 02:55:51,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:55:50" (1/1) ... [2024-05-06 02:55:51,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:55:50" (1/1) ... [2024-05-06 02:55:51,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:55:50" (1/1) ... [2024-05-06 02:55:51,073 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:55:50" (1/1) ... [2024-05-06 02:55:51,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:55:50" (1/1) ... [2024-05-06 02:55:51,079 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:55:50" (1/1) ... [2024-05-06 02:55:51,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:55:50" (1/1) ... [2024-05-06 02:55:51,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:55:50" (1/1) ... [2024-05-06 02:55:51,099 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-06 02:55:51,100 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-06 02:55:51,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-06 02:55:51,101 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-06 02:55:51,101 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:55:50" (1/1) ... [2024-05-06 02:55:51,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 02:55:51,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 02:55:51,137 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) [2024-05-06 02:55:51,149 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 [2024-05-06 02:55:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-05-06 02:55:51,215 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-05-06 02:55:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-06 02:55:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-05-06 02:55:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-06 02:55:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-06 02:55:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2024-05-06 02:55:51,215 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2024-05-06 02:55:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-05-06 02:55:51,216 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-05-06 02:55:51,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-06 02:55:51,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-06 02:55:51,216 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-05-06 02:55:51,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-06 02:55:51,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-06 02:55:51,217 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-06 02:55:51,320 INFO L241 CfgBuilder]: Building ICFG [2024-05-06 02:55:51,322 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-06 02:55:51,522 INFO L282 CfgBuilder]: Performing block encoding [2024-05-06 02:55:51,550 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-06 02:55:51,550 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-06 02:55:51,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 02:55:51 BoogieIcfgContainer [2024-05-06 02:55:51,552 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-06 02:55:51,554 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-06 02:55:51,554 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-06 02:55:51,556 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-06 02:55:51,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 02:55:50" (1/3) ... [2024-05-06 02:55:51,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@729ca476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 02:55:51, skipping insertion in model container [2024-05-06 02:55:51,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:55:50" (2/3) ... [2024-05-06 02:55:51,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@729ca476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 02:55:51, skipping insertion in model container [2024-05-06 02:55:51,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 02:55:51" (3/3) ... [2024-05-06 02:55:51,558 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_21-traces-cluster-based_true.i [2024-05-06 02:55:51,564 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-06 02:55:51,572 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-06 02:55:51,572 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-05-06 02:55:51,572 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-06 02:55:51,665 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-06 02:55:51,718 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-06 02:55:51,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-06 02:55:51,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 02:55:51,730 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) [2024-05-06 02:55:51,760 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 [2024-05-06 02:55:51,780 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-06 02:55:51,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 02:55:51,791 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-06 02:55:51,797 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;@5a255e48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-06 02:55:51,798 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-05-06 02:55:51,865 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-05-06 02:55:51,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 02:55:51,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1035564757, now seen corresponding path program 1 times [2024-05-06 02:55:51,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 02:55:51,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895892161] [2024-05-06 02:55:51,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:55:51,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:55:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 02:55:52,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 02:55:52,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 02:55:52,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895892161] [2024-05-06 02:55:52,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895892161] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 02:55:52,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 02:55:52,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-06 02:55:52,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586533307] [2024-05-06 02:55:52,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 02:55:52,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-06 02:55:52,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 02:55:52,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-06 02:55:52,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-05-06 02:55:52,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 02:55:52,646 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 02:55:52,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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) [2024-05-06 02:55:52,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 02:55:52,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 02:55:52,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-06 02:55:52,818 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-05-06 02:55:52,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 02:55:52,819 INFO L85 PathProgramCache]: Analyzing trace with hash 936128538, now seen corresponding path program 1 times [2024-05-06 02:55:52,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 02:55:52,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647907583] [2024-05-06 02:55:52,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:55:52,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:55:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 02:55:53,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 02:55:53,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 02:55:53,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647907583] [2024-05-06 02:55:53,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647907583] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 02:55:53,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 02:55:53,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-06 02:55:53,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155094425] [2024-05-06 02:55:53,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 02:55:53,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-06 02:55:53,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 02:55:53,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-06 02:55:53,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-05-06 02:55:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 02:55:53,261 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 02:55:53,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.125) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 02:55:53,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 02:55:53,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 02:55:53,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 02:55:53,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 02:55:53,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-06 02:55:53,471 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-05-06 02:55:53,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 02:55:53,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1743554170, now seen corresponding path program 1 times [2024-05-06 02:55:53,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 02:55:53,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970062176] [2024-05-06 02:55:53,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:55:53,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:55:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 02:55:53,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 02:55:53,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 02:55:53,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970062176] [2024-05-06 02:55:53,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970062176] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 02:55:53,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 02:55:53,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-06 02:55:53,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655095512] [2024-05-06 02:55:53,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 02:55:53,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-06 02:55:53,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 02:55:53,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-06 02:55:53,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-05-06 02:55:53,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 02:55:53,692 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 02:55:53,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 states have internal predecessors, (137), 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) [2024-05-06 02:55:53,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 02:55:53,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 02:55:53,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 02:55:54,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-05-06 02:55:54,363 INFO L85 PathProgramCache]: Analyzing trace with hash -2125331579, now seen corresponding path program 1 times [2024-05-06 02:55:54,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:55:54,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:55:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:55:54,383 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 02:55:54,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:55:54,753 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-05-06 02:55:54,753 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 1056 treesize of output 960 [2024-05-06 02:55:55,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1389023200, now seen corresponding path program 1 times [2024-05-06 02:55:55,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:55:55,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:55:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 02:55:55,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 02:55:55,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:55:55,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:55:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 02:55:55,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 02:55:55,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-06 02:55:55,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-06 02:55:55,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-05-06 02:55:55,574 INFO L85 PathProgramCache]: Analyzing trace with hash -2125331579, now seen corresponding path program 2 times [2024-05-06 02:55:55,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:55:55,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:55:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:55:55,591 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 02:55:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:55:56,100 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-05-06 02:55:56,100 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 288 treesize of output 264 [2024-05-06 02:55:56,267 INFO L85 PathProgramCache]: Analyzing trace with hash 980762243, now seen corresponding path program 1 times [2024-05-06 02:55:56,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:55:56,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:55:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:55:56,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 02:55:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:55:56,515 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-05-06 02:55:56,515 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 532 treesize of output 484 [2024-05-06 02:55:56,735 INFO L85 PathProgramCache]: Analyzing trace with hash 534911177, now seen corresponding path program 1 times [2024-05-06 02:55:56,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:55:56,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:55:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:55:56,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 02:55:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:55:57,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-05-06 02:55:57,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1660333881, now seen corresponding path program 1 times [2024-05-06 02:55:57,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:55:57,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:55:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:55:57,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 02:55:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:55:57,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-05-06 02:55:57,661 INFO L85 PathProgramCache]: Analyzing trace with hash 206084102, now seen corresponding path program 1 times [2024-05-06 02:55:57,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:55:57,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:55:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:55:57,678 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 02:55:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:55:58,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-05-06 02:55:58,228 INFO L85 PathProgramCache]: Analyzing trace with hash -147804604, now seen corresponding path program 1 times [2024-05-06 02:55:58,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:55:58,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:55:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:55:58,245 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 02:55:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:55:58,453 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-05-06 02:55:58,453 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 288 treesize of output 264 [2024-05-06 02:55:58,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1881732566, now seen corresponding path program 1 times [2024-05-06 02:55:58,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:55:58,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:55:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:55:58,657 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 02:55:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:55:59,067 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-05-06 02:55:59,068 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 568 treesize of output 520 [2024-05-06 02:55:59,306 INFO L85 PathProgramCache]: Analyzing trace with hash 251786600, now seen corresponding path program 1 times [2024-05-06 02:55:59,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:55:59,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:55:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:55:59,336 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 02:55:59,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:55:59,553 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-05-06 02:55:59,553 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 1056 treesize of output 960 [2024-05-06 02:55:59,757 INFO L85 PathProgramCache]: Analyzing trace with hash -977248888, now seen corresponding path program 1 times [2024-05-06 02:55:59,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:55:59,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:55:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:55:59,772 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 02:55:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:56:00,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-05-06 02:56:00,495 INFO L85 PathProgramCache]: Analyzing trace with hash -2081764794, now seen corresponding path program 1 times [2024-05-06 02:56:00,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:56:00,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:56:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:56:00,512 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 02:56:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:56:00,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-05-06 02:56:01,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1637806739, now seen corresponding path program 1 times [2024-05-06 02:56:01,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:56:01,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:56:01,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:56:01,021 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 02:56:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:56:01,573 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-05-06 02:56:01,573 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 568 treesize of output 520 [2024-05-06 02:56:01,797 INFO L85 PathProgramCache]: Analyzing trace with hash 419379819, now seen corresponding path program 1 times [2024-05-06 02:56:01,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:56:01,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:56:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:56:01,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 02:56:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:56:01,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-05-06 02:56:02,191 INFO L85 PathProgramCache]: Analyzing trace with hash -687282454, now seen corresponding path program 1 times [2024-05-06 02:56:02,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:56:02,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:56:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:56:02,206 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 02:56:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:56:02,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 934 [2024-05-06 02:56:02,858 INFO L85 PathProgramCache]: Analyzing trace with hash -183811544, now seen corresponding path program 1 times [2024-05-06 02:56:02,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:56:02,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:56:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:56:02,891 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 02:56:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:56:03,094 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-05-06 02:56:03,095 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 532 treesize of output 484 [2024-05-06 02:56:03,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1348356402, now seen corresponding path program 1 times [2024-05-06 02:56:03,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:56:03,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:56:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:56:03,290 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 02:56:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:56:03,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-05-06 02:56:04,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1117361932, now seen corresponding path program 1 times [2024-05-06 02:56:04,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:56:04,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:56:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:56:04,052 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 02:56:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:56:04,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-05-06 02:56:04,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1230133397, now seen corresponding path program 1 times [2024-05-06 02:56:04,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:56:04,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:56:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:56:04,387 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 02:56:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:56:04,755 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-05-06 02:56:04,756 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 288 treesize of output 264 [2024-05-06 02:56:04,931 INFO L85 PathProgramCache]: Analyzing trace with hash -568074775, now seen corresponding path program 1 times [2024-05-06 02:56:04,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:56:04,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:56:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:56:04,948 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 02:56:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:56:05,202 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-05-06 02:56:05,203 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 532 treesize of output 484 [2024-05-06 02:56:05,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1502413777, now seen corresponding path program 1 times [2024-05-06 02:56:05,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:56:05,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:56:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:56:05,414 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 02:56:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:56:05,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-05-06 02:56:05,958 INFO L85 PathProgramCache]: Analyzing trace with hash 836734893, now seen corresponding path program 1 times [2024-05-06 02:56:05,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:56:05,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:56:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:56:05,976 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 02:56:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:56:06,121 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-05-06 02:56:06,121 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 42 treesize of output 34 [2024-05-06 02:56:06,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1280076305, now seen corresponding path program 1 times [2024-05-06 02:56:06,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:56:06,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:56:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:56:06,276 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 02:56:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 02:56:06,543 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-05-06 02:56:06,544 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 42 treesize of output 34 [2024-05-06 02:56:06,834 INFO L85 PathProgramCache]: Analyzing trace with hash -52025361, now seen corresponding path program 1 times [2024-05-06 02:56:06,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:56:06,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:56:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 02:56:07,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 02:56:07,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:56:07,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:56:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 02:56:07,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 02:56:07,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-06 02:56:07,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-05-06 02:58:39,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-06 02:58:39,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-06 02:58:39,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 02:58:39,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable18,SelfDestructingSolverStorable3,SelfDestructingSolverStorable19,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-05-06 02:58:39,978 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-05-06 02:58:39,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 02:58:39,979 INFO L85 PathProgramCache]: Analyzing trace with hash -2045554418, now seen corresponding path program 1 times [2024-05-06 02:58:39,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 02:58:39,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527824173] [2024-05-06 02:58:39,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:58:39,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:58:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 02:58:40,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 02:58:40,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 02:58:40,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527824173] [2024-05-06 02:58:40,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527824173] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 02:58:40,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 02:58:40,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-06 02:58:40,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877268155] [2024-05-06 02:58:40,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 02:58:40,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-06 02:58:40,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 02:58:40,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-06 02:58:40,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-05-06 02:58:40,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 02:58:40,130 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 02:58:40,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 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) [2024-05-06 02:58:40,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-06 02:58:40,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-06 02:58:40,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 02:58:40,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 02:59:23,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-06 02:59:23,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-06 02:59:23,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 02:59:23,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-06 02:59:23,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-05-06 02:59:23,714 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-05-06 02:59:23,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 02:59:23,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1787040898, now seen corresponding path program 1 times [2024-05-06 02:59:23,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 02:59:23,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217781322] [2024-05-06 02:59:23,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:59:23,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:59:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 02:59:23,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 02:59:23,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 02:59:23,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217781322] [2024-05-06 02:59:23,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217781322] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 02:59:23,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 02:59:23,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-06 02:59:23,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430431691] [2024-05-06 02:59:23,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 02:59:23,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-06 02:59:23,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 02:59:23,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-06 02:59:23,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-05-06 02:59:23,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 02:59:23,943 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 02:59:23,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 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) [2024-05-06 02:59:23,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-06 02:59:23,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-06 02:59:23,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 02:59:23,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-06 02:59:23,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 03:00:26,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-06 03:00:26,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 03:00:26,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 03:00:26,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-06 03:00:26,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-06 03:00:26,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-05-06 03:00:26,573 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-05-06 03:00:26,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 03:00:26,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1042465715, now seen corresponding path program 1 times [2024-05-06 03:00:26,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 03:00:26,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429628352] [2024-05-06 03:00:26,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 03:00:26,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 03:00:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 03:00:26,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 03:00:26,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 03:00:26,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429628352] [2024-05-06 03:00:26,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429628352] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 03:00:26,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 03:00:26,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-06 03:00:26,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680437813] [2024-05-06 03:00:26,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 03:00:26,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-06 03:00:26,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 03:00:26,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-06 03:00:26,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-05-06 03:00:26,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 03:00:26,890 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 03:00:26,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 8 states have internal predecessors, (104), 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) [2024-05-06 03:00:26,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-06 03:00:26,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-06 03:00:26,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 03:00:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-06 03:00:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-06 03:00:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 03:01:27,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-06 03:01:27,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 03:01:27,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-06 03:01:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-06 03:01:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-06 03:01:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-06 03:01:27,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-05-06 03:01:27,655 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-05-06 03:01:27,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 03:01:27,656 INFO L85 PathProgramCache]: Analyzing trace with hash -227951841, now seen corresponding path program 1 times [2024-05-06 03:01:27,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 03:01:27,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148768766] [2024-05-06 03:01:27,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 03:01:27,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 03:01:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 03:01:27,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 03:01:27,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 03:01:27,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148768766] [2024-05-06 03:01:27,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148768766] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 03:01:27,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 03:01:27,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-06 03:01:27,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556477292] [2024-05-06 03:01:27,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 03:01:27,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-06 03:01:27,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 03:01:27,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-06 03:01:27,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-05-06 03:01:27,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 03:01:27,826 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 03:01:27,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.0) internal successors, (120), 8 states have internal predecessors, (120), 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) [2024-05-06 03:01:27,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-06 03:01:27,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-06 03:01:27,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-06 03:01:27,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-06 03:01:27,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-06 03:01:27,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-06 03:01:27,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.