/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_longer-1.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-4cc0a57-m [2025-04-14 13:54:50,082 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 13:54:50,134 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 13:54:50,140 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 13:54:50,142 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 13:54:50,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 13:54:50,160 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 13:54:50,160 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 13:54:50,160 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 13:54:50,160 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 13:54:50,161 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 13:54:50,161 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 13:54:50,161 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 13:54:50,161 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 13:54:50,161 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 13:54:50,161 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 13:54:50,161 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 13:54:50,161 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 13:54:50,161 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 13:54:50,161 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 13:54:50,161 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 13:54:50,161 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 13:54:50,163 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 13:54:50,163 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 13:54:50,163 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 13:54:50,163 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 13:54:50,164 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 13:54:50,164 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 13:54:50,164 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 13:54:50,164 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 13:54:50,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 13:54:50,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 13:54:50,164 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 13:54:50,164 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 13:54:50,164 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 13:54:50,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 13:54:50,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 13:54:50,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 13:54:50,164 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 13:54:50,165 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 13:54:50,165 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 13:54:50,165 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 13:54:50,165 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 13:54:50,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 13:54:50,165 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 13:54:50,165 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 13:54:50,165 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 13:54:50,165 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 13:54:50,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 13:54:50,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 13:54:50,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 13:54:50,400 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 13:54:50,400 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 13:54:50,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longer-1.i [2025-04-14 13:54:51,712 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b70e6bd18/c5d600d99438473a8ca62f16d8ce016a/FLAG577360682 [2025-04-14 13:54:51,973 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 13:54:51,974 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-1.i [2025-04-14 13:54:51,990 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b70e6bd18/c5d600d99438473a8ca62f16d8ce016a/FLAG577360682 [2025-04-14 13:54:52,763 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b70e6bd18/c5d600d99438473a8ca62f16d8ce016a [2025-04-14 13:54:52,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 13:54:52,766 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 13:54:52,766 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 13:54:52,766 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 13:54:52,769 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 13:54:52,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 01:54:52" (1/1) ... [2025-04-14 13:54:52,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a6c620f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:54:52, skipping insertion in model container [2025-04-14 13:54:52,770 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 01:54:52" (1/1) ... [2025-04-14 13:54:52,799 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 13:54:53,048 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_longer-1.i[41527,41540] [2025-04-14 13:54:53,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 13:54:53,088 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 13:54:53,145 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_longer-1.i[41527,41540] [2025-04-14 13:54:53,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 13:54:53,221 INFO L204 MainTranslator]: Completed translation [2025-04-14 13:54:53,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:54:53 WrapperNode [2025-04-14 13:54:53,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 13:54:53,222 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 13:54:53,222 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 13:54:53,222 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 13:54:53,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:54:53" (1/1) ... [2025-04-14 13:54:53,247 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:54:53" (1/1) ... [2025-04-14 13:54:53,282 INFO L138 Inliner]: procedures = 277, calls = 431, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 546 [2025-04-14 13:54:53,282 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 13:54:53,283 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 13:54:53,283 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 13:54:53,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 13:54:53,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:54:53" (1/1) ... [2025-04-14 13:54:53,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:54:53" (1/1) ... [2025-04-14 13:54:53,295 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:54:53" (1/1) ... [2025-04-14 13:54:53,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:54:53" (1/1) ... [2025-04-14 13:54:53,307 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:54:53" (1/1) ... [2025-04-14 13:54:53,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:54:53" (1/1) ... [2025-04-14 13:54:53,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:54:53" (1/1) ... [2025-04-14 13:54:53,310 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:54:53" (1/1) ... [2025-04-14 13:54:53,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 13:54:53,315 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-04-14 13:54:53,315 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-04-14 13:54:53,315 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-04-14 13:54:53,316 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:54:53" (1/1) ... [2025-04-14 13:54:53,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 13:54:53,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:54:53,343 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 13:54:53,345 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 13:54:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2025-04-14 13:54:53,360 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2025-04-14 13:54:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2025-04-14 13:54:53,360 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2025-04-14 13:54:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-14 13:54:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-14 13:54:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-14 13:54:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-14 13:54:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 13:54:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 13:54:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 13:54:53,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 13:54:53,361 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 13:54:53,470 INFO L256 CfgBuilder]: Building ICFG [2025-04-14 13:54:53,471 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 13:54:54,041 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L982: havoc pop_#t~mem38#1; [2025-04-14 13:54:54,042 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L982-1: havoc pop_#t~ret37#1; [2025-04-14 13:54:54,042 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L984-1: pop_#res#1 := 0; [2025-04-14 13:54:54,043 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 13:54:54,043 INFO L307 CfgBuilder]: Performing block encoding [2025-04-14 13:54:57,154 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 13:54:57,154 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-14 13:54:57,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 01:54:57 BoogieIcfgContainer [2025-04-14 13:54:57,154 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-04-14 13:54:57,156 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 13:54:57,156 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 13:54:57,159 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 13:54:57,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 01:54:52" (1/3) ... [2025-04-14 13:54:57,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ad01ac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 01:54:57, skipping insertion in model container [2025-04-14 13:54:57,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:54:53" (2/3) ... [2025-04-14 13:54:57,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ad01ac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 01:54:57, skipping insertion in model container [2025-04-14 13:54:57,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 01:54:57" (3/3) ... [2025-04-14 13:54:57,160 INFO L128 eAbstractionObserver]: Analyzing ICFG stack_longer-1.i [2025-04-14 13:54:57,171 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 13:54:57,172 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG stack_longer-1.i that has 3 procedures, 31 locations, 33 edges, 1 initial locations, 2 loop locations, and 2 error locations. [2025-04-14 13:54:57,172 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 13:54:57,221 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-14 13:54:57,249 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 13:54:57,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 13:54:57,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:54:57,253 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 13:54:57,255 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 13:54:57,324 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 13:54:57,338 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork1 ======== [2025-04-14 13:54:57,344 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;@16e175b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 13:54:57,344 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-04-14 13:54:57,849 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 13:54:57,849 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:54:57,849 INFO L139 ounterexampleChecker]: Examining path program with hash -2119647723, occurence #1 [2025-04-14 13:54:57,849 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:54:57,849 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:54:57,852 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:54:57,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1964921675, now seen corresponding path program 1 times [2025-04-14 13:54:57,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:54:57,857 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705737646] [2025-04-14 13:54:57,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:54:57,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:54:57,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-04-14 13:54:58,015 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-04-14 13:54:58,016 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:54:58,016 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:54:58,364 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 13:54:58,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:54:58,365 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705737646] [2025-04-14 13:54:58,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705737646] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 13:54:58,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 13:54:58,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 13:54:58,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756275069] [2025-04-14 13:54:58,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 13:54:58,370 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 13:54:58,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:54:58,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 13:54:58,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 13:54:58,384 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:54:58,385 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:54:58,386 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 13:54:58,387 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:54:58,809 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:54:58,809 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 13:54:58,809 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 13:54:58,809 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:54:58,809 INFO L139 ounterexampleChecker]: Examining path program with hash -147831446, occurence #1 [2025-04-14 13:54:58,809 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:54:58,809 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:54:58,810 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:54:58,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1712869025, now seen corresponding path program 1 times [2025-04-14 13:54:58,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:54:58,810 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305984476] [2025-04-14 13:54:58,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:54:58,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:54:58,828 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-04-14 13:54:58,849 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-04-14 13:54:58,849 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:54:58,849 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:54:58,977 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 13:54:58,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:54:58,978 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305984476] [2025-04-14 13:54:58,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305984476] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 13:54:58,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 13:54:58,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 13:54:58,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276209727] [2025-04-14 13:54:58,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 13:54:58,979 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 13:54:58,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:54:58,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 13:54:58,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 13:54:58,979 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:54:58,981 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:54:58,981 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 13:54:58,981 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:54:58,981 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:54:59,052 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:54:59,054 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:54:59,054 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-14 13:54:59,054 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 13:54:59,054 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:54:59,054 INFO L139 ounterexampleChecker]: Examining path program with hash -1094696269, occurence #1 [2025-04-14 13:54:59,054 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:54:59,054 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:54:59,054 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:54:59,055 INFO L85 PathProgramCache]: Analyzing trace with hash 946074142, now seen corresponding path program 1 times [2025-04-14 13:54:59,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:54:59,055 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323237775] [2025-04-14 13:54:59,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:54:59,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:54:59,078 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-04-14 13:54:59,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-04-14 13:54:59,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:54:59,098 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:54:59,299 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 13:54:59,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:54:59,299 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323237775] [2025-04-14 13:54:59,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323237775] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 13:54:59,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 13:54:59,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 13:54:59,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386104225] [2025-04-14 13:54:59,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 13:54:59,300 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 13:54:59,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:54:59,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 13:54:59,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 13:54:59,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:54:59,300 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:54:59,300 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 13:54:59,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:54:59,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:54:59,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:54:59,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:54:59,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:54:59,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:54:59,357 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-14 13:54:59,357 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 13:54:59,357 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:54:59,357 INFO L139 ounterexampleChecker]: Examining path program with hash 491215924, occurence #1 [2025-04-14 13:54:59,357 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:54:59,357 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:54:59,358 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:54:59,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1944341603, now seen corresponding path program 1 times [2025-04-14 13:54:59,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:54:59,358 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200953259] [2025-04-14 13:54:59,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:54:59,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:54:59,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-04-14 13:54:59,400 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-04-14 13:54:59,400 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:54:59,400 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:54:59,725 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 13:54:59,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:54:59,725 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200953259] [2025-04-14 13:54:59,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200953259] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:54:59,725 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899023738] [2025-04-14 13:54:59,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:54:59,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:54:59,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:54:59,728 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 13:54:59,729 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 13:54:59,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-04-14 13:54:59,886 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-04-14 13:54:59,886 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:54:59,886 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:54:59,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 971 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-14 13:54:59,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:54:59,928 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 13:55:00,069 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 13:55:00,070 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:55:00,119 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 13:55:00,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899023738] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:55:00,119 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:55:00,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-04-14 13:55:00,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547292323] [2025-04-14 13:55:00,120 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:55:00,120 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-04-14 13:55:00,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:55:00,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-04-14 13:55:00,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2025-04-14 13:55:00,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:55:00,122 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:55:00,122 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 13:55:00,122 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:55:00,122 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:55:00,123 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:55:00,123 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:55:00,310 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:55:00,310 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:55:00,310 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:55:00,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 13:55:00,319 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-04-14 13:55:00,511 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 13:55:00,512 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 13:55:00,512 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:55:00,512 INFO L139 ounterexampleChecker]: Examining path program with hash -1246139689, occurence #1 [2025-04-14 13:55:00,512 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:55:00,512 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:55:00,512 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:55:00,512 INFO L85 PathProgramCache]: Analyzing trace with hash 769018362, now seen corresponding path program 2 times [2025-04-14 13:55:00,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:55:00,512 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806837110] [2025-04-14 13:55:00,513 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 13:55:00,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:55:00,535 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 62 statements into 2 equivalence classes. [2025-04-14 13:55:00,578 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 62 of 62 statements. [2025-04-14 13:55:00,578 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 13:55:00,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:55:00,934 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 13:55:00,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:55:00,934 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806837110] [2025-04-14 13:55:00,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806837110] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 13:55:00,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 13:55:00,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 13:55:00,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007834968] [2025-04-14 13:55:00,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 13:55:00,935 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 13:55:00,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:55:00,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 13:55:00,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-04-14 13:55:00,935 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:55:00,935 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:55:00,935 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 13:55:00,936 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:55:00,936 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:55:00,936 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:55:00,936 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 13:55:00,936 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:55:01,017 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:55:01,017 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:55:01,017 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:55:01,017 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 13:55:01,017 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:55:01,018 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-14 13:55:01,018 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 13:55:01,018 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:55:01,018 INFO L139 ounterexampleChecker]: Examining path program with hash 707382708, occurence #1 [2025-04-14 13:55:01,018 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:55:01,018 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:55:01,018 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:55:01,018 INFO L85 PathProgramCache]: Analyzing trace with hash -993881459, now seen corresponding path program 1 times [2025-04-14 13:55:01,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:55:01,018 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965047813] [2025-04-14 13:55:01,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:55:01,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:55:01,038 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-04-14 13:55:01,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-04-14 13:55:01,066 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:55:01,066 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:55:01,499 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 13:55:01,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:55:01,499 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965047813] [2025-04-14 13:55:01,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965047813] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:55:01,499 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844260635] [2025-04-14 13:55:01,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:55:01,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:55:01,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:55:01,502 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 13:55:01,504 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 13:55:01,575 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-04-14 13:55:01,675 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-04-14 13:55:01,675 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:55:01,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:55:01,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 1056 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-14 13:55:01,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:55:01,696 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 13:55:01,789 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 13:55:01,812 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 13:55:01,838 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 13:55:01,866 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 13:55:01,866 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:55:02,330 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 13:55:02,335 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 13:55:02,377 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 13:55:02,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844260635] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:55:02,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:55:02,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 18 [2025-04-14 13:55:02,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508240604] [2025-04-14 13:55:02,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:55:02,378 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-04-14 13:55:02,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:55:02,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-04-14 13:55:02,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=213, Unknown=0, NotChecked=0, Total=342 [2025-04-14 13:55:02,379 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:55:02,379 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:55:02,379 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.2631578947368425) internal successors, (119), 18 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 13:55:02,379 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:55:02,379 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:55:02,379 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:55:02,379 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 13:55:02,379 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:55:02,379 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:55:02,693 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:55:02,693 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:55:02,694 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:55:02,694 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 13:55:02,694 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:55:02,694 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 13:55:02,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-04-14 13:55:02,894 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 13:55:02,894 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 13:55:02,895 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:55:02,895 INFO L139 ounterexampleChecker]: Examining path program with hash 707382708, occurence #2 [2025-04-14 13:55:02,895 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:55:02,895 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-14 13:55:02,902 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:55:02,903 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 13:55:02,903 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:55:02,903 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-14 13:55:02,903 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:02,903 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-14 13:55:02,903 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:02,903 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 13:55:02,903 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:02,903 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 13:55:02,903 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:02,903 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-04-14 13:55:02,903 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:02,903 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 13:55:02,903 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:02,903 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-14 13:55:02,904 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:02,904 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 13:55:02,904 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:02,904 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-14 13:55:02,904 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:02,904 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:55:02,904 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:55:02,904 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:55:02,904 INFO L85 PathProgramCache]: Analyzing trace with hash 133905891, now seen corresponding path program 2 times [2025-04-14 13:55:02,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:55:02,905 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351513948] [2025-04-14 13:55:02,905 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 13:55:02,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:55:02,927 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 81 statements into 2 equivalence classes. [2025-04-14 13:55:02,982 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 81 of 81 statements. [2025-04-14 13:55:02,982 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 13:55:02,982 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:55:03,717 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 13:55:03,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:55:03,718 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351513948] [2025-04-14 13:55:03,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351513948] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:55:03,718 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208203803] [2025-04-14 13:55:03,718 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 13:55:03,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:55:03,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:55:03,721 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 13:55:03,722 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 13:55:03,810 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 81 statements into 2 equivalence classes. [2025-04-14 13:55:03,949 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 81 of 81 statements. [2025-04-14 13:55:03,949 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 13:55:03,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:55:03,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-04-14 13:55:03,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:55:03,972 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 13:55:04,055 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 13:55:04,077 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 13:55:04,098 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 13:55:04,125 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 13:55:04,150 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 13:55:04,176 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 13:55:04,259 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 13:55:04,287 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 13:55:04,320 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 13:55:04,320 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:55:05,210 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 13:55:05,221 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 13:55:05,311 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 13:55:05,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208203803] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:55:05,312 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:55:05,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 32 [2025-04-14 13:55:05,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572325967] [2025-04-14 13:55:05,312 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:55:05,312 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2025-04-14 13:55:05,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:55:05,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2025-04-14 13:55:05,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=407, Invalid=649, Unknown=0, NotChecked=0, Total=1056 [2025-04-14 13:55:05,315 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:55:05,315 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:55:05,315 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 6.787878787878788) internal successors, (224), 32 states have internal predecessors, (224), 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 13:55:05,315 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:55:05,315 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:55:05,315 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:55:05,315 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 13:55:05,315 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:55:05,315 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 13:55:05,315 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:55:05,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:55:05,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:55:05,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:55:05,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 13:55:05,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:55:05,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 13:55:05,974 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-14 13:55:05,982 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 13:55:06,175 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 13:55:06,175 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 13:55:06,175 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:55:06,176 INFO L139 ounterexampleChecker]: Examining path program with hash 707382708, occurence #3 [2025-04-14 13:55:06,176 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:55:06,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-14 13:55:06,176 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:55:06,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 13:55:06,176 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:55:06,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-14 13:55:06,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:06,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-14 13:55:06,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:06,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 13:55:06,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:06,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 13:55:06,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:06,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-04-14 13:55:06,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:06,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 13:55:06,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:06,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-14 13:55:06,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:06,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 13:55:06,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:06,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-14 13:55:06,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:06,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2025-04-14 13:55:06,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:06,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 13:55:06,177 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:06,177 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-04-14 13:55:06,177 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:06,177 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-04-14 13:55:06,177 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:06,177 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-14 13:55:06,177 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:06,177 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-14 13:55:06,177 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:06,177 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2025-04-14 13:55:06,177 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:06,177 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2025-04-14 13:55:06,177 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:06,177 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2025-04-14 13:55:06,177 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:06,177 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2025-04-14 13:55:06,177 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:06,177 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:55:06,177 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:55:06,177 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:55:06,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1011500451, now seen corresponding path program 3 times [2025-04-14 13:55:06,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:55:06,178 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380866470] [2025-04-14 13:55:06,178 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 13:55:06,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:55:06,211 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 151 statements into 19 equivalence classes. [2025-04-14 13:55:06,885 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) and asserted 151 of 151 statements. [2025-04-14 13:55:06,886 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2025-04-14 13:55:06,886 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:55:09,072 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 13:55:09,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:55:09,073 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380866470] [2025-04-14 13:55:09,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380866470] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:55:09,073 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119521034] [2025-04-14 13:55:09,073 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 13:55:09,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:55:09,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:55:09,075 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 13:55:09,077 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 13:55:09,208 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 151 statements into 19 equivalence classes. [2025-04-14 13:55:11,788 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) and asserted 151 of 151 statements. [2025-04-14 13:55:11,788 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2025-04-14 13:55:11,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:55:11,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 1491 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-04-14 13:55:11,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:55:11,827 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 13:55:11,919 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 13:55:11,939 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 13:55:11,964 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 13:55:11,995 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 13:55:12,023 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 13:55:12,055 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 13:55:12,090 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 13:55:12,120 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 13:55:12,156 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 13:55:12,189 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 13:55:12,222 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 13:55:12,257 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 13:55:12,287 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 13:55:12,317 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 13:55:12,369 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 13:55:12,412 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 13:55:12,443 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 13:55:12,479 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 13:55:12,540 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 13:55:12,540 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:55:13,153 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 13:55:13,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119521034] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:55:13,153 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:55:13,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 24] total 69 [2025-04-14 13:55:13,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191374179] [2025-04-14 13:55:13,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:55:13,154 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2025-04-14 13:55:13,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:55:13,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2025-04-14 13:55:13,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1524, Invalid=3306, Unknown=0, NotChecked=0, Total=4830 [2025-04-14 13:55:13,159 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:55:13,159 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:55:13,159 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 6.128571428571429) internal successors, (429), 69 states have internal predecessors, (429), 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 13:55:13,159 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:55:13,159 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:55:13,159 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:55:13,159 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 13:55:13,159 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:55:13,159 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 13:55:13,159 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-04-14 13:55:13,159 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:55:15,814 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:55:15,814 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:55:15,814 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:55:15,814 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 13:55:15,814 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:55:15,814 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 13:55:15,814 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-14 13:55:15,814 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-14 13:55:15,828 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 13:55:16,015 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 13:55:16,015 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 13:55:16,015 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:55:16,016 INFO L139 ounterexampleChecker]: Examining path program with hash 707382708, occurence #4 [2025-04-14 13:55:16,016 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:55:16,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-14 13:55:16,016 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:55:16,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 13:55:16,016 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:55:16,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-14 13:55:16,016 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-14 13:55:16,016 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 13:55:16,016 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 13:55:16,016 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-04-14 13:55:16,016 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 13:55:16,016 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-14 13:55:16,016 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 13:55:16,016 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-14 13:55:16,016 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,017 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2025-04-14 13:55:16,017 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,017 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 13:55:16,017 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,017 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-04-14 13:55:16,017 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,017 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-04-14 13:55:16,017 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,017 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-14 13:55:16,017 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,017 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-14 13:55:16,017 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,017 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2025-04-14 13:55:16,017 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,017 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2025-04-14 13:55:16,017 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,017 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2025-04-14 13:55:16,017 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,017 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2025-04-14 13:55:16,017 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,017 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 152 [2025-04-14 13:55:16,017 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,017 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2025-04-14 13:55:16,017 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,017 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2025-04-14 13:55:16,017 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,017 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-04-14 13:55:16,018 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2025-04-14 13:55:16,018 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 187 [2025-04-14 13:55:16,018 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2025-04-14 13:55:16,018 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2025-04-14 13:55:16,018 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2025-04-14 13:55:16,018 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2025-04-14 13:55:16,018 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 222 [2025-04-14 13:55:16,018 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2025-04-14 13:55:16,018 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 236 [2025-04-14 13:55:16,018 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 243 [2025-04-14 13:55:16,018 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 250 [2025-04-14 13:55:16,018 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 257 [2025-04-14 13:55:16,018 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,019 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2025-04-14 13:55:16,019 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,019 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 271 [2025-04-14 13:55:16,019 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,019 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 278 [2025-04-14 13:55:16,019 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,019 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 285 [2025-04-14 13:55:16,019 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:16,019 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:55:16,019 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:55:16,019 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:55:16,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1827936989, now seen corresponding path program 4 times [2025-04-14 13:55:16,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:55:16,019 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338657797] [2025-04-14 13:55:16,020 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 13:55:16,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:55:16,077 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 291 statements into 2 equivalence classes. [2025-04-14 13:55:16,273 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 13:55:16,274 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 13:55:16,274 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:55:21,917 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 13:55:21,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:55:21,918 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338657797] [2025-04-14 13:55:21,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338657797] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:55:21,918 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950588289] [2025-04-14 13:55:21,918 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 13:55:21,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:55:21,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:55:21,920 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 13:55:21,920 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 13:55:22,106 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 291 statements into 2 equivalence classes. [2025-04-14 13:55:22,315 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 13:55:22,315 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 13:55:22,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:55:22,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 2071 conjuncts, 53 conjuncts are in the unsatisfiable core [2025-04-14 13:55:22,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:55:22,354 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 13:55:22,426 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 13:55:22,439 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 13:55:22,457 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 13:55:22,479 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 13:55:22,502 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 13:55:22,522 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 13:55:22,540 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 13:55:22,561 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 13:55:22,582 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 13:55:22,604 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 13:55:22,630 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 13:55:22,661 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 13:55:22,689 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 13:55:22,721 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 13:55:22,753 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 13:55:22,786 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 13:55:22,809 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 13:55:22,834 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 13:55:22,870 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 13:55:22,905 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 13:55:22,941 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 13:55:22,978 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 13:55:23,011 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 13:55:23,039 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 13:55:23,072 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 13:55:23,101 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 13:55:23,132 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 13:55:23,163 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 13:55:23,194 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 13:55:23,227 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 13:55:23,259 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 13:55:23,294 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 13:55:23,328 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 13:55:23,365 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 13:55:23,399 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 13:55:23,433 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 13:55:23,474 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 13:55:23,511 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 13:55:23,602 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 13:55:23,602 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:55:25,421 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 13:55:25,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950588289] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:55:25,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:55:25,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 44, 43] total 138 [2025-04-14 13:55:25,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135966627] [2025-04-14 13:55:25,422 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:55:25,423 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 139 states [2025-04-14 13:55:25,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:55:25,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2025-04-14 13:55:25,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5924, Invalid=13258, Unknown=0, NotChecked=0, Total=19182 [2025-04-14 13:55:25,429 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:55:25,429 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:55:25,430 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 139 states, 139 states have (on average 6.143884892086331) internal successors, (854), 138 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 13:55:25,430 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:55:25,430 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:55:25,430 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:55:25,430 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 13:55:25,430 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:55:25,430 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 13:55:25,430 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-04-14 13:55:25,430 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-14 13:55:25,430 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:55:36,199 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:55:36,199 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:55:36,199 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:55:36,199 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 13:55:36,199 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:55:36,199 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 13:55:36,199 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-14 13:55:36,199 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-14 13:55:36,199 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2025-04-14 13:55:36,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-04-14 13:55:36,400 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 13:55:36,400 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 13:55:36,400 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:55:36,400 INFO L139 ounterexampleChecker]: Examining path program with hash 707382708, occurence #5 [2025-04-14 13:55:36,400 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:55:36,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-14 13:55:36,400 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:55:36,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 13:55:36,400 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:55:36,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-14 13:55:36,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-14 13:55:36,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 13:55:36,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 13:55:36,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-04-14 13:55:36,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 13:55:36,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-14 13:55:36,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 13:55:36,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-14 13:55:36,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2025-04-14 13:55:36,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 13:55:36,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-04-14 13:55:36,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-04-14 13:55:36,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-14 13:55:36,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-14 13:55:36,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2025-04-14 13:55:36,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2025-04-14 13:55:36,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2025-04-14 13:55:36,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2025-04-14 13:55:36,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 152 [2025-04-14 13:55:36,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2025-04-14 13:55:36,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2025-04-14 13:55:36,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-04-14 13:55:36,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2025-04-14 13:55:36,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 187 [2025-04-14 13:55:36,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2025-04-14 13:55:36,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2025-04-14 13:55:36,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2025-04-14 13:55:36,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2025-04-14 13:55:36,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 222 [2025-04-14 13:55:36,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2025-04-14 13:55:36,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 236 [2025-04-14 13:55:36,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 243 [2025-04-14 13:55:36,403 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 250 [2025-04-14 13:55:36,403 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 257 [2025-04-14 13:55:36,403 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2025-04-14 13:55:36,403 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 271 [2025-04-14 13:55:36,403 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 278 [2025-04-14 13:55:36,403 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 285 [2025-04-14 13:55:36,403 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 292 [2025-04-14 13:55:36,403 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 299 [2025-04-14 13:55:36,403 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 306 [2025-04-14 13:55:36,403 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 313 [2025-04-14 13:55:36,403 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 320 [2025-04-14 13:55:36,403 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 327 [2025-04-14 13:55:36,403 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 334 [2025-04-14 13:55:36,403 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 341 [2025-04-14 13:55:36,403 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 348 [2025-04-14 13:55:36,403 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 355 [2025-04-14 13:55:36,404 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,404 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 362 [2025-04-14 13:55:36,404 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,404 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 369 [2025-04-14 13:55:36,404 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,404 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 376 [2025-04-14 13:55:36,404 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,404 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 383 [2025-04-14 13:55:36,404 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,404 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 390 [2025-04-14 13:55:36,404 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,404 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 397 [2025-04-14 13:55:36,404 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,404 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 404 [2025-04-14 13:55:36,404 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,404 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 411 [2025-04-14 13:55:36,404 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,404 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 418 [2025-04-14 13:55:36,404 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,404 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 425 [2025-04-14 13:55:36,404 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,404 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 432 [2025-04-14 13:55:36,404 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,404 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 439 [2025-04-14 13:55:36,404 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,404 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 446 [2025-04-14 13:55:36,404 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,404 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 453 [2025-04-14 13:55:36,404 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,404 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 460 [2025-04-14 13:55:36,404 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,404 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 467 [2025-04-14 13:55:36,404 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,404 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 474 [2025-04-14 13:55:36,404 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,404 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 481 [2025-04-14 13:55:36,405 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,405 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 488 [2025-04-14 13:55:36,405 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,405 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 495 [2025-04-14 13:55:36,405 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,405 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 502 [2025-04-14 13:55:36,405 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,405 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 509 [2025-04-14 13:55:36,405 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,405 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 516 [2025-04-14 13:55:36,405 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,405 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 523 [2025-04-14 13:55:36,405 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,405 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 530 [2025-04-14 13:55:36,405 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,405 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 537 [2025-04-14 13:55:36,405 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,405 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 544 [2025-04-14 13:55:36,405 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,405 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 551 [2025-04-14 13:55:36,405 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,405 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 558 [2025-04-14 13:55:36,405 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,405 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 565 [2025-04-14 13:55:36,405 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:55:36,405 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:55:36,405 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:55:36,406 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:55:36,406 INFO L85 PathProgramCache]: Analyzing trace with hash -433232861, now seen corresponding path program 5 times [2025-04-14 13:55:36,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:55:36,406 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720002329] [2025-04-14 13:55:36,406 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 13:55:36,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:55:36,493 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 571 statements into 79 equivalence classes. [2025-04-14 13:55:40,425 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 79 check-sat command(s) and asserted 571 of 571 statements. [2025-04-14 13:55:40,425 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 79 check-sat command(s) [2025-04-14 13:55:40,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:56:09,185 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 13:56:09,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:56:09,185 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720002329] [2025-04-14 13:56:09,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720002329] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:56:09,185 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349625546] [2025-04-14 13:56:09,185 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 13:56:09,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:56:09,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:56:09,187 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 13:56:09,188 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 13:56:09,504 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 571 statements into 79 equivalence classes. Received shutdown request... [2025-04-14 14:09:17,802 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 14:09:17,809 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 14:09:17,818 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 14:09:18,808 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 14:09:18,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 [2025-04-14 14:09:19,018 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 14:09:19,052 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 14:09:19,053 WARN L301 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-04-14 14:09:19,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-04-14 14:09:19,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [136] total 136 [2025-04-14 14:09:19,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245775982] [2025-04-14 14:09:19,054 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-04-14 14:09:19,055 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2025-04-14 14:09:19,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 14:09:19,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2025-04-14 14:09:19,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2795, Invalid=15837, Unknown=0, NotChecked=0, Total=18632 [2025-04-14 14:09:19,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:09:19,061 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 14:09:19,061 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 137 states have (on average 4.138686131386861) internal successors, (567), 136 states have internal predecessors, (567), 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 14:09:19,061 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:09:19,062 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:09:19,062 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:09:19,062 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 14:09:19,062 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 14:09:19,062 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 14:09:19,062 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-04-14 14:09:19,062 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-14 14:09:19,062 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2025-04-14 14:09:19,062 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:09:19,062 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-04-14 14:09:19,062 WARN L610 AbstractCegarLoop]: Verification canceled: while executing Executor. [2025-04-14 14:09:19,064 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-04-14 14:09:19,068 INFO L422 BasicCegarLoop]: Path program histogram: [5, 2, 1, 1, 1] [2025-04-14 14:09:19,069 INFO L320 ceAbstractionStarter]: Result for error location t1Thread1of1ForFork1 was TIMEOUT (1/3) [2025-04-14 14:09:19,074 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 14:09:19,074 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 14:09:19,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 02:09:19 BasicIcfg [2025-04-14 14:09:19,075 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 14:09:19,076 INFO L158 Benchmark]: Toolchain (without parser) took 866310.24ms. Allocated memory was 125.8MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 85.4MB in the beginning and 519.4MB in the end (delta: -434.1MB). Peak memory consumption was 831.4MB. Max. memory is 8.0GB. [2025-04-14 14:09:19,076 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 159.4MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 14:09:19,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.23ms. Allocated memory is still 125.8MB. Free memory was 85.4MB in the beginning and 48.5MB in the end (delta: 36.8MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2025-04-14 14:09:19,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.35ms. Allocated memory is still 125.8MB. Free memory was 48.5MB in the beginning and 42.7MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 14:09:19,076 INFO L158 Benchmark]: Boogie Preprocessor took 31.66ms. Allocated memory is still 125.8MB. Free memory was 42.7MB in the beginning and 39.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 14:09:19,076 INFO L158 Benchmark]: IcfgBuilder took 3839.42ms. Allocated memory was 125.8MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 39.6MB in the beginning and 962.6MB in the end (delta: -923.0MB). Peak memory consumption was 352.1MB. Max. memory is 8.0GB. [2025-04-14 14:09:19,077 INFO L158 Benchmark]: TraceAbstraction took 861919.72ms. Allocated memory was 1.3GB in the beginning and 1.4GB in the end (delta: 100.7MB). Free memory was 962.6MB in the beginning and 519.4MB in the end (delta: 443.2MB). Peak memory consumption was 542.2MB. Max. memory is 8.0GB. [2025-04-14 14:09:19,077 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 159.4MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 455.23ms. Allocated memory is still 125.8MB. Free memory was 85.4MB in the beginning and 48.5MB in the end (delta: 36.8MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 60.35ms. Allocated memory is still 125.8MB. Free memory was 48.5MB in the beginning and 42.7MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.66ms. Allocated memory is still 125.8MB. Free memory was 42.7MB in the beginning and 39.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * IcfgBuilder took 3839.42ms. Allocated memory was 125.8MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 39.6MB in the beginning and 962.6MB in the end (delta: -923.0MB). Peak memory consumption was 352.1MB. Max. memory is 8.0GB. * TraceAbstraction took 861919.72ms. Allocated memory was 1.3GB in the beginning and 1.4GB in the end (delta: 100.7MB). Free memory was 962.6MB in the beginning and 519.4MB in the end (delta: 443.2MB). Peak memory consumption was 542.2MB. 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: 812, independent: 41, independent conditional: 0, independent unconditional: 41, dependent: 771, dependent conditional: 10, dependent unconditional: 761, 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: 0.8s, 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: 812, independent: 41, independent conditional: 0, independent unconditional: 41, dependent: 771, dependent conditional: 10, dependent unconditional: 761, 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: 940]: 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: 861.8s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 15.7s, 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: 0.2s SsaConstructionTime, 8.2s SatisfiabilityAnalysisTime, 45.9s InterpolantComputationTime, 1885 NumberOfCodeBlocks, 1885 NumberOfCodeBlocksAsserted, 134 NumberOfCheckSat, 2460 ConstructedInterpolants, 42 QuantifiedInterpolants, 15892 SizeOfPredicates, 124 NumberOfNonLiveVariables, 6790 ConjunctsInSsa, 119 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]: 7, 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