/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline_IcfgBuilder.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --preprocessor.replace.while.statements.and.if-then-else.statements false -i ../../../trunk/examples/svcomp/pthread/stack_longest-1.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-4cc0a57-m [2025-04-14 14:06:34,754 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 14:06:34,802 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-14 14:06:34,808 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 14:06:34,808 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 14:06:34,834 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 14:06:34,834 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 14:06:34,834 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 14:06:34,835 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 14:06:34,835 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 14:06:34,835 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 14:06:34,835 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 14:06:34,835 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 14:06:34,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 14:06:34,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 14:06:34,835 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 14:06:34,835 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 14:06:34,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 14:06:34,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 14:06:34,835 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 14:06:34,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 14:06:34,836 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 14:06:34,836 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 14:06:34,836 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 14:06:34,836 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 14:06:34,836 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 14:06:34,836 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 14:06:34,836 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 14:06:34,836 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 14:06:34,836 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 14:06:34,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 14:06:34,836 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 14:06:34,836 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 14:06:34,836 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 14:06:34,836 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 14:06:34,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 14:06:34,837 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 14:06:34,837 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 14:06:34,837 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 14:06:34,837 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 14:06:34,837 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 14:06:34,837 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 14:06:34,837 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 14:06:34,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 14:06:34,837 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 14:06:34,837 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 14:06:34,837 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 14:06:34,837 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false [2025-04-14 14:06:35,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 14:06:35,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 14:06:35,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 14:06:35,052 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 14:06:35,052 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 14:06:35,053 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longest-1.i [2025-04-14 14:06:36,349 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c0a30456/c650ad88ba084404b6262e874be727f4/FLAG6aa853d3d [2025-04-14 14:06:36,588 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 14:06:36,589 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-1.i [2025-04-14 14:06:36,606 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c0a30456/c650ad88ba084404b6262e874be727f4/FLAG6aa853d3d [2025-04-14 14:06:37,400 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c0a30456/c650ad88ba084404b6262e874be727f4 [2025-04-14 14:06:37,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 14:06:37,403 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 14:06:37,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 14:06:37,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 14:06:37,406 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 14:06:37,407 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 02:06:37" (1/1) ... [2025-04-14 14:06:37,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c30a841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:06:37, skipping insertion in model container [2025-04-14 14:06:37,408 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 02:06:37" (1/1) ... [2025-04-14 14:06:37,431 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 14:06:37,703 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-1.i[41530,41543] [2025-04-14 14:06:37,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 14:06:37,765 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 14:06:37,827 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-1.i[41530,41543] [2025-04-14 14:06:37,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 14:06:37,914 INFO L204 MainTranslator]: Completed translation [2025-04-14 14:06:37,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:06:37 WrapperNode [2025-04-14 14:06:37,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 14:06:37,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 14:06:37,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 14:06:37,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 14:06:37,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:06:37" (1/1) ... [2025-04-14 14:06:37,939 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:06:37" (1/1) ... [2025-04-14 14:06:37,987 INFO L138 Inliner]: procedures = 277, calls = 831, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 946 [2025-04-14 14:06:37,988 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 14:06:37,988 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 14:06:37,988 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 14:06:37,988 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 14:06:37,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:06:37" (1/1) ... [2025-04-14 14:06:37,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:06:37" (1/1) ... [2025-04-14 14:06:38,000 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:06:37" (1/1) ... [2025-04-14 14:06:38,001 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:06:37" (1/1) ... [2025-04-14 14:06:38,030 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:06:37" (1/1) ... [2025-04-14 14:06:38,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:06:37" (1/1) ... [2025-04-14 14:06:38,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:06:37" (1/1) ... [2025-04-14 14:06:38,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:06:37" (1/1) ... [2025-04-14 14:06:38,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 14:06:38,046 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-04-14 14:06:38,046 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-04-14 14:06:38,046 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-04-14 14:06:38,047 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:06:37" (1/1) ... [2025-04-14 14:06:38,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 14:06:38,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 14:06:38,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-14 14:06:38,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-14 14:06:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2025-04-14 14:06:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2025-04-14 14:06:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2025-04-14 14:06:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2025-04-14 14:06:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-14 14:06:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-14 14:06:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-14 14:06:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-14 14:06:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 14:06:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 14:06:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 14:06:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 14:06:38,092 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-14 14:06:38,185 INFO L256 CfgBuilder]: Building ICFG [2025-04-14 14:06:38,200 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 14:06:39,113 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L985-1: pop_#res#1 := 0; [2025-04-14 14:06:39,113 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L983: havoc pop_#t~mem38#1; [2025-04-14 14:06:39,113 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L983-1: havoc pop_#t~ret37#1; [2025-04-14 14:06:39,114 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 14:06:39,114 INFO L307 CfgBuilder]: Performing block encoding [2025-04-14 14:06:49,371 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 14:06:49,371 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-14 14:06:49,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 02:06:49 BoogieIcfgContainer [2025-04-14 14:06:49,372 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-04-14 14:06:49,373 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 14:06:49,373 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 14:06:49,378 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 14:06:49,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 02:06:37" (1/3) ... [2025-04-14 14:06:49,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a91bfed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 02:06:49, skipping insertion in model container [2025-04-14 14:06:49,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:06:37" (2/3) ... [2025-04-14 14:06:49,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a91bfed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 02:06:49, skipping insertion in model container [2025-04-14 14:06:49,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 02:06:49" (3/3) ... [2025-04-14 14:06:49,379 INFO L128 eAbstractionObserver]: Analyzing ICFG stack_longest-1.i [2025-04-14 14:06:49,389 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 14:06:49,391 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG stack_longest-1.i that has 3 procedures, 31 locations, 33 edges, 1 initial locations, 2 loop locations, and 2 error locations. [2025-04-14 14:06:49,391 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 14:06:49,453 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-14 14:06:49,491 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 14:06:49,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 14:06:49,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 14:06:49,494 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-14 14:06:49,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-14 14:06:49,562 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 14:06:49,575 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork1 ======== [2025-04-14 14:06:49,580 INFO L340 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, 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;@163c5dbf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 14:06:49,580 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-04-14 14:06:50,171 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 14:06:50,171 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 14:06:50,172 INFO L139 ounterexampleChecker]: Examining path program with hash -2119647723, occurence #1 [2025-04-14 14:06:50,172 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 14:06:50,172 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 14:06:50,175 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 14:06:50,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1857606285, now seen corresponding path program 1 times [2025-04-14 14:06:50,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 14:06:50,182 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976091948] [2025-04-14 14:06:50,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 14:06:50,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 14:06:50,273 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-04-14 14:06:50,420 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-04-14 14:06:50,420 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 14:06:50,420 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 14:06:50,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:06:50,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 14:06:50,876 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976091948] [2025-04-14 14:06:50,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976091948] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 14:06:50,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 14:06:50,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 14:06:50,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570247073] [2025-04-14 14:06:50,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 14:06:50,881 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 14:06:50,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 14:06:50,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 14:06:50,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 14:06:50,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:06:50,897 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 14:06:50,897 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2025-04-14 14:06:50,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:06:51,376 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:06:51,377 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 14:06:51,377 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 14:06:51,377 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 14:06:51,377 INFO L139 ounterexampleChecker]: Examining path program with hash -147831446, occurence #1 [2025-04-14 14:06:51,377 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 14:06:51,378 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 14:06:51,378 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 14:06:51,378 INFO L85 PathProgramCache]: Analyzing trace with hash -2088221865, now seen corresponding path program 1 times [2025-04-14 14:06:51,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 14:06:51,378 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937092447] [2025-04-14 14:06:51,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 14:06:51,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 14:06:51,410 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-04-14 14:06:51,444 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-04-14 14:06:51,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 14:06:51,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 14:06:51,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:06:51,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 14:06:51,656 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937092447] [2025-04-14 14:06:51,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937092447] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 14:06:51,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 14:06:51,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 14:06:51,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817291757] [2025-04-14 14:06:51,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 14:06:51,657 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 14:06:51,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 14:06:51,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 14:06:51,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 14:06:51,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:06:51,658 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 14:06:51,658 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2025-04-14 14:06:51,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:06:51,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:06:51,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:06:51,738 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:06:51,739 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-14 14:06:51,739 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 14:06:51,739 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 14:06:51,739 INFO L139 ounterexampleChecker]: Examining path program with hash -1094696269, occurence #1 [2025-04-14 14:06:51,739 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 14:06:51,739 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 14:06:51,739 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 14:06:51,739 INFO L85 PathProgramCache]: Analyzing trace with hash 570721302, now seen corresponding path program 1 times [2025-04-14 14:06:51,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 14:06:51,739 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355200115] [2025-04-14 14:06:51,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 14:06:51,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 14:06:51,773 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-04-14 14:06:51,801 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-04-14 14:06:51,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 14:06:51,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 14:06:52,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:06:52,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 14:06:52,125 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355200115] [2025-04-14 14:06:52,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355200115] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 14:06:52,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 14:06:52,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 14:06:52,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995172431] [2025-04-14 14:06:52,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 14:06:52,125 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 14:06:52,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 14:06:52,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 14:06:52,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 14:06:52,126 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:06:52,126 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 14:06:52,126 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2025-04-14 14:06:52,126 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:06:52,126 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:06:52,126 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:06:52,185 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:06:52,185 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:06:52,185 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:06:52,185 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-14 14:06:52,185 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 14:06:52,185 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 14:06:52,185 INFO L139 ounterexampleChecker]: Examining path program with hash 491215924, occurence #1 [2025-04-14 14:06:52,186 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 14:06:52,186 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 14:06:52,186 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 14:06:52,186 INFO L85 PathProgramCache]: Analyzing trace with hash -695376955, now seen corresponding path program 1 times [2025-04-14 14:06:52,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 14:06:52,186 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424056954] [2025-04-14 14:06:52,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 14:06:52,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 14:06:52,211 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-04-14 14:06:52,239 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-04-14 14:06:52,239 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 14:06:52,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 14:06:52,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:06:52,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 14:06:52,626 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424056954] [2025-04-14 14:06:52,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424056954] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 14:06:52,626 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467888809] [2025-04-14 14:06:52,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 14:06:52,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 14:06:52,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 14:06:52,629 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 14:06:52,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-14 14:06:52,700 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-04-14 14:06:52,900 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-04-14 14:06:52,900 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 14:06:52,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 14:06:52,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 1771 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-14 14:06:52,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 14:06:52,951 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:06:53,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:06:53,109 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 14:06:53,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:06:53,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1467888809] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 14:06:53,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 14:06:53,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-04-14 14:06:53,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907275181] [2025-04-14 14:06:53,159 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 14:06:53,159 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-04-14 14:06:53,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 14:06:53,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-04-14 14:06:53,160 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2025-04-14 14:06:53,160 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:06:53,160 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 14:06:53,163 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 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) [2025-04-14 14:06:53,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:06:53,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:06:53,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:06:53,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:06:53,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:06:53,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:06:53,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:06:53,409 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 14:06:53,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-04-14 14:06:53,609 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2025-04-14 14:06:53,610 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 14:06:53,610 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 14:06:53,610 INFO L139 ounterexampleChecker]: Examining path program with hash -1245891689, occurence #1 [2025-04-14 14:06:53,610 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 14:06:53,610 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 14:06:53,610 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 14:06:53,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1401884194, now seen corresponding path program 2 times [2025-04-14 14:06:53,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 14:06:53,610 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884603749] [2025-04-14 14:06:53,610 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 14:06:53,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 14:06:53,639 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 62 statements into 2 equivalence classes. [2025-04-14 14:06:53,702 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 62 of 62 statements. [2025-04-14 14:06:53,702 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 14:06:53,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 14:06:54,284 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-04-14 14:06:54,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 14:06:54,284 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884603749] [2025-04-14 14:06:54,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884603749] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 14:06:54,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 14:06:54,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 14:06:54,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440296120] [2025-04-14 14:06:54,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 14:06:54,284 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 14:06:54,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 14:06:54,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 14:06:54,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-04-14 14:06:54,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:06:54,285 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 14:06:54,285 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 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) [2025-04-14 14:06:54,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:06:54,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:06:54,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:06:54,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 14:06:54,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:06:54,384 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:06:54,384 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:06:54,384 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:06:54,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 14:06:54,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 14:06:54,385 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-14 14:06:54,385 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 14:06:54,385 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 14:06:54,385 INFO L139 ounterexampleChecker]: Examining path program with hash 707605908, occurence #1 [2025-04-14 14:06:54,386 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 14:06:54,386 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 14:06:54,386 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 14:06:54,386 INFO L85 PathProgramCache]: Analyzing trace with hash -581859659, now seen corresponding path program 1 times [2025-04-14 14:06:54,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 14:06:54,386 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228788821] [2025-04-14 14:06:54,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 14:06:54,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 14:06:54,410 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-04-14 14:06:54,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-04-14 14:06:54,437 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 14:06:54,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 14:06:54,944 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:06:54,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 14:06:54,945 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228788821] [2025-04-14 14:06:54,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228788821] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 14:06:54,945 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830696234] [2025-04-14 14:06:54,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 14:06:54,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 14:06:54,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 14:06:54,947 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 14:06:54,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-14 14:06:55,020 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-04-14 14:06:55,196 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-04-14 14:06:55,197 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 14:06:55,197 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 14:06:55,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 1856 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-14 14:06:55,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 14:06:55,223 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:06:55,339 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 15 [2025-04-14 14:06:55,367 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:06:55,397 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:06:55,431 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:06:55,431 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 14:06:55,879 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2025-04-14 14:06:55,891 INFO L354 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 14 treesize of output 5 [2025-04-14 14:06:55,937 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:06:55,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830696234] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 14:06:55,938 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 14:06:55,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 17 [2025-04-14 14:06:55,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595580838] [2025-04-14 14:06:55,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 14:06:55,938 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-14 14:06:55,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 14:06:55,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-14 14:06:55,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=189, Unknown=0, NotChecked=0, Total=306 [2025-04-14 14:06:55,939 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:06:55,939 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 14:06:55,939 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.611111111111111) internal successors, (119), 17 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) [2025-04-14 14:06:55,939 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:06:55,939 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:06:55,939 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:06:55,939 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 14:06:55,939 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 14:06:55,939 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:06:56,321 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:06:56,321 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:06:56,321 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:06:56,321 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 14:06:56,321 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 14:06:56,321 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 14:06:56,330 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-04-14 14:06:56,522 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 14:06:56,522 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 14:06:56,522 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 14:06:56,523 INFO L139 ounterexampleChecker]: Examining path program with hash 707605908, occurence #2 [2025-04-14 14:06:56,523 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 14:06:56,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-14 14:06:56,533 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 14:06:56,533 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 14:06:56,533 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 14:06:56,534 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-14 14:06:56,534 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:06:56,534 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-14 14:06:56,534 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:06:56,534 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 14:06:56,534 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:06:56,534 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 14:06:56,534 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:06:56,534 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-04-14 14:06:56,534 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:06:56,534 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 14:06:56,534 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:06:56,534 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-14 14:06:56,534 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:06:56,534 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 14:06:56,534 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:06:56,534 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-14 14:06:56,534 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:06:56,534 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 14:06:56,534 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 14:06:56,535 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 14:06:56,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1725855707, now seen corresponding path program 2 times [2025-04-14 14:06:56,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 14:06:56,535 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712549265] [2025-04-14 14:06:56,535 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 14:06:56,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 14:06:56,563 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 81 statements into 2 equivalence classes. [2025-04-14 14:06:56,625 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 81 of 81 statements. [2025-04-14 14:06:56,625 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 14:06:56,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 14:06:57,699 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:06:57,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 14:06:57,699 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712549265] [2025-04-14 14:06:57,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712549265] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 14:06:57,699 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607886321] [2025-04-14 14:06:57,700 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 14:06:57,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 14:06:57,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 14:06:57,702 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 14:06:57,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-14 14:06:57,795 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 81 statements into 2 equivalence classes. [2025-04-14 14:06:58,078 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 81 of 81 statements. [2025-04-14 14:06:58,078 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 14:06:58,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 14:06:58,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 2001 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-14 14:06:58,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 14:06:58,109 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:06:58,209 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 15 [2025-04-14 14:06:58,227 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:06:58,249 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:06:58,275 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:06:58,304 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:06:58,332 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:06:58,365 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:06:58,392 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:06:58,435 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:06:58,435 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 14:06:59,517 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 5 [2025-04-14 14:06:59,623 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:06:59,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607886321] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 14:06:59,623 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 14:06:59,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 14] total 37 [2025-04-14 14:06:59,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686269037] [2025-04-14 14:06:59,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 14:06:59,625 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2025-04-14 14:06:59,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 14:06:59,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2025-04-14 14:06:59,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=487, Invalid=919, Unknown=0, NotChecked=0, Total=1406 [2025-04-14 14:06:59,627 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:06:59,627 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 14:06:59,627 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 6.026315789473684) internal successors, (229), 37 states have internal predecessors, (229), 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) [2025-04-14 14:06:59,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:06:59,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:06:59,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:06:59,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 14:06:59,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 14:06:59,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 14:06:59,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:07:00,427 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:07:00,427 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:07:00,427 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:07:00,427 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 14:07:00,427 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 14:07:00,427 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 14:07:00,428 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-14 14:07:00,438 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-04-14 14:07:00,628 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 14:07:00,629 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 14:07:00,629 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 14:07:00,629 INFO L139 ounterexampleChecker]: Examining path program with hash 707605908, occurence #3 [2025-04-14 14:07:00,629 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 14:07:00,629 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-14 14:07:00,629 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 14:07:00,629 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 14:07:00,629 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 14:07:00,629 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-14 14:07:00,629 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:00,629 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-14 14:07:00,629 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:00,629 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 14:07:00,629 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:00,629 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 14:07:00,629 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:00,629 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-04-14 14:07:00,629 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:00,630 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 14:07:00,630 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:00,630 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-14 14:07:00,630 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:00,630 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 14:07:00,630 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:00,630 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-14 14:07:00,630 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:00,630 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2025-04-14 14:07:00,630 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:00,630 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 14:07:00,630 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:00,630 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-04-14 14:07:00,630 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:00,630 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-04-14 14:07:00,630 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:00,630 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-14 14:07:00,630 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:00,630 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-14 14:07:00,630 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:00,630 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2025-04-14 14:07:00,630 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:00,630 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2025-04-14 14:07:00,630 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:00,630 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2025-04-14 14:07:00,630 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:00,630 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2025-04-14 14:07:00,631 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:00,631 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 14:07:00,631 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 14:07:00,631 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 14:07:00,631 INFO L85 PathProgramCache]: Analyzing trace with hash -2079387237, now seen corresponding path program 3 times [2025-04-14 14:07:00,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 14:07:00,631 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002785443] [2025-04-14 14:07:00,631 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 14:07:00,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 14:07:00,671 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 151 statements into 19 equivalence classes. [2025-04-14 14:07:01,746 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) and asserted 151 of 151 statements. [2025-04-14 14:07:01,746 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2025-04-14 14:07:01,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 14:07:05,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 1125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:07:05,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 14:07:05,689 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002785443] [2025-04-14 14:07:05,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002785443] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 14:07:05,689 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937124650] [2025-04-14 14:07:05,689 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 14:07:05,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 14:07:05,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 14:07:05,691 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 14:07:05,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-04-14 14:07:05,815 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 151 statements into 19 equivalence classes. [2025-04-14 14:07:09,855 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) and asserted 151 of 151 statements. [2025-04-14 14:07:09,855 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2025-04-14 14:07:09,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 14:07:09,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 2291 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-04-14 14:07:09,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 14:07:09,896 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:09,981 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 15 [2025-04-14 14:07:09,997 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:10,027 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:10,049 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:10,073 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:10,101 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:10,133 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:10,158 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:10,185 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:10,214 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:10,249 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:10,278 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:10,307 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:10,334 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:10,364 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:10,396 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:10,443 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:10,474 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:10,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 1125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:07:10,536 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 14:07:12,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 1125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:07:12,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937124650] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 14:07:12,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 14:07:12,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23, 22] total 63 [2025-04-14 14:07:12,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605670834] [2025-04-14 14:07:12,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 14:07:12,125 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2025-04-14 14:07:12,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 14:07:12,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2025-04-14 14:07:12,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1091, Invalid=2941, Unknown=0, NotChecked=0, Total=4032 [2025-04-14 14:07:12,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:07:12,128 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 14:07:12,129 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 6.546875) internal successors, (419), 63 states have internal predecessors, (419), 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) [2025-04-14 14:07:12,129 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:07:12,129 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:07:12,129 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:07:12,129 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 14:07:12,129 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 14:07:12,129 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 14:07:12,129 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-04-14 14:07:12,129 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:07:15,050 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:07:15,050 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:07:15,050 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:07:15,050 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 14:07:15,050 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 14:07:15,050 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 14:07:15,050 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-14 14:07:15,051 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-14 14:07:15,070 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-04-14 14:07:15,251 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 14:07:15,251 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 14:07:15,251 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 14:07:15,252 INFO L139 ounterexampleChecker]: Examining path program with hash 707605908, occurence #4 [2025-04-14 14:07:15,252 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 14:07:15,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-14 14:07:15,252 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 14:07:15,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 14:07:15,252 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 14:07:15,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-14 14:07:15,252 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-14 14:07:15,252 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 14:07:15,252 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 14:07:15,252 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-04-14 14:07:15,252 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 14:07:15,252 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-14 14:07:15,252 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 14:07:15,252 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-14 14:07:15,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2025-04-14 14:07:15,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 14:07:15,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-04-14 14:07:15,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-04-14 14:07:15,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-14 14:07:15,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-14 14:07:15,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2025-04-14 14:07:15,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2025-04-14 14:07:15,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2025-04-14 14:07:15,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2025-04-14 14:07:15,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 152 [2025-04-14 14:07:15,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2025-04-14 14:07:15,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2025-04-14 14:07:15,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-04-14 14:07:15,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2025-04-14 14:07:15,254 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,254 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 187 [2025-04-14 14:07:15,254 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,254 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2025-04-14 14:07:15,254 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,254 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2025-04-14 14:07:15,254 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,254 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2025-04-14 14:07:15,254 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,254 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2025-04-14 14:07:15,254 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,254 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 222 [2025-04-14 14:07:15,254 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,254 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2025-04-14 14:07:15,254 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,254 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 236 [2025-04-14 14:07:15,254 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,254 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 243 [2025-04-14 14:07:15,254 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,254 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 250 [2025-04-14 14:07:15,254 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,254 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 257 [2025-04-14 14:07:15,254 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,254 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2025-04-14 14:07:15,254 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,254 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 271 [2025-04-14 14:07:15,255 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 278 [2025-04-14 14:07:15,255 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 285 [2025-04-14 14:07:15,255 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:15,255 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 14:07:15,255 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 14:07:15,255 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 14:07:15,255 INFO L85 PathProgramCache]: Analyzing trace with hash 421745947, now seen corresponding path program 4 times [2025-04-14 14:07:15,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 14:07:15,255 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427861679] [2025-04-14 14:07:15,255 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 14:07:15,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 14:07:15,312 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 291 statements into 2 equivalence classes. [2025-04-14 14:07:15,479 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 291 of 291 statements. [2025-04-14 14:07:15,479 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 14:07:15,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 14:07:25,153 INFO L134 CoverageAnalysis]: Checked inductivity of 5035 backedges. 0 proven. 5035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:07:25,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 14:07:25,153 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427861679] [2025-04-14 14:07:25,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427861679] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 14:07:25,153 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645478750] [2025-04-14 14:07:25,153 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 14:07:25,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 14:07:25,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 14:07:25,155 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 14:07:25,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-04-14 14:07:25,345 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 291 statements into 2 equivalence classes. [2025-04-14 14:07:25,612 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 291 of 291 statements. [2025-04-14 14:07:25,612 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 14:07:25,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 14:07:25,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 2871 conjuncts, 53 conjuncts are in the unsatisfiable core [2025-04-14 14:07:25,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 14:07:25,658 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:25,742 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 15 [2025-04-14 14:07:25,761 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:25,779 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:25,800 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:25,820 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:25,842 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:25,861 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:25,882 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:25,905 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:25,928 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:25,951 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:25,979 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:26,016 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:26,052 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:26,093 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:26,131 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:26,164 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:26,197 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:26,232 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:26,271 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:26,312 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:26,353 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:26,396 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:26,438 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:26,476 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:26,512 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:26,551 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:26,591 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:26,628 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:26,668 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:26,711 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:26,751 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:26,793 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:26,834 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:26,876 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:26,923 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:26,995 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:27,038 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 14:07:27,113 INFO L134 CoverageAnalysis]: Checked inductivity of 5035 backedges. 0 proven. 5035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:07:27,113 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 14:07:30,487 INFO L134 CoverageAnalysis]: Checked inductivity of 5035 backedges. 0 proven. 5035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:07:30,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645478750] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 14:07:30,487 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 14:07:30,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 44, 43] total 137 [2025-04-14 14:07:30,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171407295] [2025-04-14 14:07:30,488 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 14:07:30,488 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 138 states [2025-04-14 14:07:30,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 14:07:30,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2025-04-14 14:07:30,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5823, Invalid=13083, Unknown=0, NotChecked=0, Total=18906 [2025-04-14 14:07:30,494 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:07:30,494 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 14:07:30,495 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 138 states, 138 states have (on average 6.188405797101449) internal successors, (854), 137 states have internal predecessors, (854), 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) [2025-04-14 14:07:30,495 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:07:30,495 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:07:30,495 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:07:30,495 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 14:07:30,495 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 14:07:30,495 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 14:07:30,495 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-04-14 14:07:30,495 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-14 14:07:30,495 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:07:41,953 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:07:41,954 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:07:41,954 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:07:41,954 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 14:07:41,954 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 14:07:41,954 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 14:07:41,954 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-14 14:07:41,954 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-14 14:07:41,954 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2025-04-14 14:07:41,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-04-14 14:07:42,154 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 14:07:42,155 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 14:07:42,155 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 14:07:42,155 INFO L139 ounterexampleChecker]: Examining path program with hash 707605908, occurence #5 [2025-04-14 14:07:42,155 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 14:07:42,155 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-14 14:07:42,155 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 14:07:42,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 14:07:42,156 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 14:07:42,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-14 14:07:42,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-14 14:07:42,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 14:07:42,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 14:07:42,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-04-14 14:07:42,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 14:07:42,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-14 14:07:42,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 14:07:42,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-14 14:07:42,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2025-04-14 14:07:42,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 14:07:42,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-04-14 14:07:42,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-04-14 14:07:42,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-14 14:07:42,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-14 14:07:42,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2025-04-14 14:07:42,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2025-04-14 14:07:42,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2025-04-14 14:07:42,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2025-04-14 14:07:42,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 152 [2025-04-14 14:07:42,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2025-04-14 14:07:42,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2025-04-14 14:07:42,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-04-14 14:07:42,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2025-04-14 14:07:42,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 187 [2025-04-14 14:07:42,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2025-04-14 14:07:42,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2025-04-14 14:07:42,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2025-04-14 14:07:42,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2025-04-14 14:07:42,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 222 [2025-04-14 14:07:42,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2025-04-14 14:07:42,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 236 [2025-04-14 14:07:42,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 243 [2025-04-14 14:07:42,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 250 [2025-04-14 14:07:42,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 257 [2025-04-14 14:07:42,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2025-04-14 14:07:42,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 271 [2025-04-14 14:07:42,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 278 [2025-04-14 14:07:42,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 285 [2025-04-14 14:07:42,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 292 [2025-04-14 14:07:42,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 299 [2025-04-14 14:07:42,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 306 [2025-04-14 14:07:42,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 313 [2025-04-14 14:07:42,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 320 [2025-04-14 14:07:42,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 327 [2025-04-14 14:07:42,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 334 [2025-04-14 14:07:42,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 341 [2025-04-14 14:07:42,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 348 [2025-04-14 14:07:42,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 355 [2025-04-14 14:07:42,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 362 [2025-04-14 14:07:42,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 369 [2025-04-14 14:07:42,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 376 [2025-04-14 14:07:42,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 383 [2025-04-14 14:07:42,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 390 [2025-04-14 14:07:42,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 397 [2025-04-14 14:07:42,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 404 [2025-04-14 14:07:42,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 411 [2025-04-14 14:07:42,160 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 418 [2025-04-14 14:07:42,160 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 425 [2025-04-14 14:07:42,160 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 432 [2025-04-14 14:07:42,160 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 439 [2025-04-14 14:07:42,160 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 446 [2025-04-14 14:07:42,160 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 453 [2025-04-14 14:07:42,160 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 460 [2025-04-14 14:07:42,160 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 467 [2025-04-14 14:07:42,160 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 474 [2025-04-14 14:07:42,160 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 481 [2025-04-14 14:07:42,160 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 488 [2025-04-14 14:07:42,160 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 495 [2025-04-14 14:07:42,160 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 502 [2025-04-14 14:07:42,161 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,161 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 509 [2025-04-14 14:07:42,161 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,161 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 516 [2025-04-14 14:07:42,161 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,161 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 523 [2025-04-14 14:07:42,161 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,161 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 530 [2025-04-14 14:07:42,161 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,161 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 537 [2025-04-14 14:07:42,161 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,161 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 544 [2025-04-14 14:07:42,161 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,161 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 551 [2025-04-14 14:07:42,161 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,161 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 558 [2025-04-14 14:07:42,161 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,161 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 565 [2025-04-14 14:07:42,161 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:07:42,161 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 14:07:42,161 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 14:07:42,162 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 14:07:42,162 INFO L85 PathProgramCache]: Analyzing trace with hash -22537189, now seen corresponding path program 5 times [2025-04-14 14:07:42,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 14:07:42,162 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301475817] [2025-04-14 14:07:42,162 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 14:07:42,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 14:07:42,257 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 571 statements into 79 equivalence classes. [2025-04-14 14:07:45,510 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 79 check-sat command(s) and asserted 571 of 571 statements. [2025-04-14 14:07:45,510 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 79 check-sat command(s) [2025-04-14 14:07:45,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 14:08:19,259 INFO L134 CoverageAnalysis]: Checked inductivity of 21255 backedges. 0 proven. 21255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:08:19,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 14:08:19,259 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301475817] [2025-04-14 14:08:19,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301475817] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 14:08:19,259 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718655541] [2025-04-14 14:08:19,259 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 14:08:19,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 14:08:19,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 14:08:19,261 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 14:08:19,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-04-14 14:08:19,582 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 571 statements into 79 equivalence classes. Received shutdown request... [2025-04-14 14:20:51,119 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 14:20:51,119 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 14:20:51,119 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 14:20:52,137 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-04-14 14:20:52,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 [2025-04-14 14:20:52,319 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forcibly destroying the process [2025-04-14 14:20:52,350 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 137 [2025-04-14 14:20:52,351 WARN L301 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-04-14 14:20:52,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-04-14 14:20:52,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [141] total 141 [2025-04-14 14:20:52,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335428203] [2025-04-14 14:20:52,352 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-04-14 14:20:52,352 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 142 states [2025-04-14 14:20:52,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 14:20:52,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2025-04-14 14:20:52,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6417, Invalid=13605, Unknown=0, NotChecked=0, Total=20022 [2025-04-14 14:20:52,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:20:52,360 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 14:20:52,361 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 142 states, 142 states have (on average 4.02112676056338) internal successors, (571), 141 states have internal predecessors, (571), 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) [2025-04-14 14:20:52,361 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:20:52,361 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:20:52,361 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:20:52,361 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 14:20:52,361 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 14:20:52,361 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 14:20:52,361 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-04-14 14:20:52,361 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-14 14:20:52,361 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2025-04-14 14:20:52,361 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:20:52,362 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-04-14 14:20:52,362 WARN L610 AbstractCegarLoop]: Verification canceled: while executing Executor. [2025-04-14 14:20:52,364 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-04-14 14:20:52,368 INFO L422 BasicCegarLoop]: Path program histogram: [5, 2, 1, 1, 1] [2025-04-14 14:20:52,369 INFO L320 ceAbstractionStarter]: Result for error location t1Thread1of1ForFork1 was TIMEOUT (1/3) [2025-04-14 14:20:52,370 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 14:20:52,370 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 14:20:52,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 02:20:52 BasicIcfg [2025-04-14 14:20:52,372 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 14:20:52,373 INFO L158 Benchmark]: Toolchain (without parser) took 854969.81ms. Allocated memory was 125.8MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 85.8MB in the beginning and 498.0MB in the end (delta: -412.3MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2025-04-14 14:20:52,373 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 159.4MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 14:20:52,373 INFO L158 Benchmark]: CACSL2BoogieTranslator took 511.60ms. Allocated memory is still 125.8MB. Free memory was 85.8MB in the beginning and 45.3MB in the end (delta: 40.5MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. [2025-04-14 14:20:52,373 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.96ms. Allocated memory is still 125.8MB. Free memory was 45.3MB in the beginning and 36.0MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-14 14:20:52,373 INFO L158 Benchmark]: Boogie Preprocessor took 57.53ms. Allocated memory is still 125.8MB. Free memory was 36.0MB in the beginning and 30.1MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-14 14:20:52,373 INFO L158 Benchmark]: IcfgBuilder took 11325.77ms. Allocated memory was 125.8MB in the beginning and 4.1GB in the end (delta: 3.9GB). Free memory was 30.1MB in the beginning and 3.1GB in the end (delta: -3.1GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2025-04-14 14:20:52,373 INFO L158 Benchmark]: TraceAbstraction took 842998.84ms. Allocated memory was 4.1GB in the beginning and 1.7GB in the end (delta: -2.3GB). Free memory was 3.1GB in the beginning and 498.0MB in the end (delta: 2.6GB). Peak memory consumption was 315.7MB. Max. memory is 8.0GB. [2025-04-14 14:20:52,374 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 159.4MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 511.60ms. Allocated memory is still 125.8MB. Free memory was 85.8MB in the beginning and 45.3MB in the end (delta: 40.5MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 71.96ms. Allocated memory is still 125.8MB. Free memory was 45.3MB in the beginning and 36.0MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 57.53ms. Allocated memory is still 125.8MB. Free memory was 36.0MB in the beginning and 30.1MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * IcfgBuilder took 11325.77ms. Allocated memory was 125.8MB in the beginning and 4.1GB in the end (delta: 3.9GB). Free memory was 30.1MB in the beginning and 3.1GB in the end (delta: -3.1GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. * TraceAbstraction took 842998.84ms. Allocated memory was 4.1GB in the beginning and 1.7GB in the end (delta: -2.3GB). Free memory was 3.1GB in the beginning and 498.0MB in the end (delta: 2.6GB). Peak memory consumption was 315.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2700, independent: 2200, independent conditional: 1616, independent unconditional: 584, dependent: 500, dependent conditional: 491, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2210, independent: 2200, independent conditional: 1616, independent unconditional: 584, dependent: 10, dependent conditional: 1, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2210, independent: 2200, independent conditional: 1616, independent unconditional: 584, dependent: 10, dependent conditional: 1, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2213, independent: 2200, independent conditional: 1616, independent unconditional: 584, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2213, independent: 2200, independent conditional: 0, independent unconditional: 2200, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2213, independent: 2200, independent conditional: 0, independent unconditional: 2200, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 443, independent: 433, independent conditional: 0, independent unconditional: 433, dependent: 10, dependent conditional: 1, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 443, independent: 429, independent conditional: 0, independent unconditional: 429, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 14, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 10, dependent conditional: 1, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 10, dependent conditional: 1, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 932, independent: 35, independent conditional: 0, independent unconditional: 35, dependent: 898, dependent conditional: 9, dependent unconditional: 888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 2213, independent: 1767, independent conditional: 0, independent unconditional: 1767, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 443, unknown conditional: 1, unknown unconditional: 442] , Statistics on independence cache: Total cache size (in pairs): 443, Positive cache size: 433, Positive conditional cache size: 0, Positive unconditional cache size: 433, Negative cache size: 10, Negative conditional cache size: 1, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1619, Maximal queried relation: 3, Independence queries for same thread: 490, Persistent sets #1 benchmarks: Persistent set computation time: 1.0s, Number of persistent set computation: 60, Number of trivial persistent sets: 52, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 593, independent: 584, independent conditional: 0, independent unconditional: 584, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2700, independent: 2200, independent conditional: 1616, independent unconditional: 584, dependent: 500, dependent conditional: 491, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2210, independent: 2200, independent conditional: 1616, independent unconditional: 584, dependent: 10, dependent conditional: 1, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2210, independent: 2200, independent conditional: 1616, independent unconditional: 584, dependent: 10, dependent conditional: 1, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2213, independent: 2200, independent conditional: 1616, independent unconditional: 584, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2213, independent: 2200, independent conditional: 0, independent unconditional: 2200, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2213, independent: 2200, independent conditional: 0, independent unconditional: 2200, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 443, independent: 433, independent conditional: 0, independent unconditional: 433, dependent: 10, dependent conditional: 1, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 443, independent: 429, independent conditional: 0, independent unconditional: 429, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 14, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 10, dependent conditional: 1, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 10, dependent conditional: 1, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 932, independent: 35, independent conditional: 0, independent unconditional: 35, dependent: 898, dependent conditional: 9, dependent unconditional: 888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 2213, independent: 1767, independent conditional: 0, independent unconditional: 1767, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 443, unknown conditional: 1, unknown unconditional: 442] , Statistics on independence cache: Total cache size (in pairs): 443, Positive cache size: 433, Positive conditional cache size: 0, Positive unconditional cache size: 433, Negative cache size: 10, Negative conditional cache size: 1, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1619, Maximal queried relation: 3, Independence queries for same thread: 490 - TimeoutResultAtElement [Line: 941]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t1Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 55 locations, 64 edges, 6 error locations. Started 1 CEGAR loops. OverallTime: 842.8s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 17.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 324, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 9.9s SatisfiabilityAnalysisTime, 60.6s InterpolantComputationTime, 1885 NumberOfCodeBlocks, 1885 NumberOfCodeBlocksAsserted, 134 NumberOfCheckSat, 2460 ConstructedInterpolants, 42 QuantifiedInterpolants, 18075 SizeOfPredicates, 128 NumberOfNonLiveVariables, 10790 ConjunctsInSsa, 120 ConjunctsInUnsatCore, 20 InterpolantComputations, 4 PerfectInterpolantSequences, 50/40541 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 9, ConditionCalculationTime [ms]: 0, ConditionCalculations: 146, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown