/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/array-multidimensional/rev-2-n-u.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 17:15:58,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 17:15:58,804 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 17:15:58,809 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 17:15:58,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 17:15:58,842 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 17:15:58,843 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 17:15:58,843 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 17:15:58,844 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 17:15:58,847 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 17:15:58,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 17:15:58,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 17:15:58,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 17:15:58,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 17:15:58,850 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 17:15:58,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 17:15:58,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 17:15:58,851 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 17:15:58,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 17:15:58,852 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 17:15:58,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 17:15:58,853 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 17:15:58,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 17:15:58,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 17:15:58,854 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 17:15:58,854 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 17:15:58,854 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 17:15:58,854 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 17:15:58,855 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 17:15:58,855 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 17:15:58,856 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 17:15:58,856 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 17:15:58,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 17:15:58,856 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 17:15:58,856 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 17:15:58,857 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 17:15:58,857 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 17:15:58,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 17:15:58,857 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 17:15:58,857 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 17:15:58,857 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 17:15:58,858 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 17:15:58,858 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 17:15:58,858 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 17:15:59,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 17:15:59,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 17:15:59,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 17:15:59,120 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 17:15:59,120 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 17:15:59,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-multidimensional/rev-2-n-u.c [2023-12-15 17:16:00,305 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 17:16:00,478 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 17:16:00,478 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-multidimensional/rev-2-n-u.c [2023-12-15 17:16:00,484 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0b9547b1/15439f625fe14af396a9d5aae4c45f4b/FLAG66da9ef74 [2023-12-15 17:16:00,497 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0b9547b1/15439f625fe14af396a9d5aae4c45f4b [2023-12-15 17:16:00,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 17:16:00,501 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 17:16:00,504 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 17:16:00,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 17:16:00,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 17:16:00,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:16:00" (1/1) ... [2023-12-15 17:16:00,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f68984e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:16:00, skipping insertion in model container [2023-12-15 17:16:00,509 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:16:00" (1/1) ... [2023-12-15 17:16:00,531 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 17:16:00,665 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-multidimensional/rev-2-n-u.c[321,334] [2023-12-15 17:16:00,689 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 17:16:00,699 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 17:16:00,707 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-multidimensional/rev-2-n-u.c[321,334] [2023-12-15 17:16:00,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 17:16:00,729 INFO L206 MainTranslator]: Completed translation [2023-12-15 17:16:00,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:16:00 WrapperNode [2023-12-15 17:16:00,730 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 17:16:00,731 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 17:16:00,731 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 17:16:00,731 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 17:16:00,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:16:00" (1/1) ... [2023-12-15 17:16:00,749 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:16:00" (1/1) ... [2023-12-15 17:16:00,768 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2023-12-15 17:16:00,769 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 17:16:00,769 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 17:16:00,769 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 17:16:00,769 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 17:16:00,777 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:16:00" (1/1) ... [2023-12-15 17:16:00,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:16:00" (1/1) ... [2023-12-15 17:16:00,779 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:16:00" (1/1) ... [2023-12-15 17:16:00,790 INFO L175 MemorySlicer]: Split 7 memory accesses to 3 slices as follows [2, 3, 2]. 43 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2023-12-15 17:16:00,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:16:00" (1/1) ... [2023-12-15 17:16:00,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:16:00" (1/1) ... [2023-12-15 17:16:00,795 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:16:00" (1/1) ... [2023-12-15 17:16:00,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:16:00" (1/1) ... [2023-12-15 17:16:00,801 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:16:00" (1/1) ... [2023-12-15 17:16:00,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:16:00" (1/1) ... [2023-12-15 17:16:00,804 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 17:16:00,804 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 17:16:00,805 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 17:16:00,805 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 17:16:00,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:16:00" (1/1) ... [2023-12-15 17:16:00,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 17:16:00,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 17:16:00,841 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) [2023-12-15 17:16:00,860 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 [2023-12-15 17:16:00,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 17:16:00,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 17:16:00,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-15 17:16:00,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-15 17:16:00,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-15 17:16:00,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-15 17:16:00,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-15 17:16:00,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-12-15 17:16:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 17:16:00,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 17:16:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-15 17:16:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-15 17:16:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-12-15 17:16:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-15 17:16:00,966 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 17:16:00,970 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 17:16:01,119 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 17:16:01,144 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 17:16:01,144 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-12-15 17:16:01,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:16:01 BoogieIcfgContainer [2023-12-15 17:16:01,145 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 17:16:01,147 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 17:16:01,147 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 17:16:01,149 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 17:16:01,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 05:16:00" (1/3) ... [2023-12-15 17:16:01,150 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7981b35a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 05:16:01, skipping insertion in model container [2023-12-15 17:16:01,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:16:00" (2/3) ... [2023-12-15 17:16:01,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7981b35a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 05:16:01, skipping insertion in model container [2023-12-15 17:16:01,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:16:01" (3/3) ... [2023-12-15 17:16:01,152 INFO L112 eAbstractionObserver]: Analyzing ICFG rev-2-n-u.c [2023-12-15 17:16:01,165 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 17:16:01,166 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 17:16:01,203 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 17:16:01,210 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, 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;@74bda26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 17:16:01,210 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 17:16:01,213 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 16 states have (on average 1.875) internal successors, (30), 17 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 17:16:01,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-15 17:16:01,219 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 17:16:01,219 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 17:16:01,220 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 17:16:01,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 17:16:01,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1021079152, now seen corresponding path program 1 times [2023-12-15 17:16:01,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 17:16:01,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775429505] [2023-12-15 17:16:01,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 17:16:01,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 17:16:01,299 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 17:16:01,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [400797706] [2023-12-15 17:16:01,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 17:16:01,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 17:16:01,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 17:16:01,303 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 17:16:01,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 17:16:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:16:01,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 17:16:01,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 17:16:01,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 17:16:01,456 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 17:16:01,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 17:16:01,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775429505] [2023-12-15 17:16:01,457 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 17:16:01,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400797706] [2023-12-15 17:16:01,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400797706] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 17:16:01,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 17:16:01,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 17:16:01,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232383208] [2023-12-15 17:16:01,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 17:16:01,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 17:16:01,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 17:16:01,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 17:16:01,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 17:16:01,529 INFO L87 Difference]: Start difference. First operand has 18 states, 16 states have (on average 1.875) internal successors, (30), 17 states have internal predecessors, (30), 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) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 17:16:01,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 17:16:01,589 INFO L93 Difference]: Finished difference Result 38 states and 66 transitions. [2023-12-15 17:16:01,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 17:16:01,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) Word has length 9 [2023-12-15 17:16:01,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 17:16:01,597 INFO L225 Difference]: With dead ends: 38 [2023-12-15 17:16:01,597 INFO L226 Difference]: Without dead ends: 19 [2023-12-15 17:16:01,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 17:16:01,604 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 17:16:01,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 25 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 17:16:01,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2023-12-15 17:16:01,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2023-12-15 17:16:01,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 17:16:01,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2023-12-15 17:16:01,631 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 22 transitions. Word has length 9 [2023-12-15 17:16:01,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 17:16:01,631 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 22 transitions. [2023-12-15 17:16:01,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 17:16:01,631 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2023-12-15 17:16:01,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-15 17:16:01,632 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 17:16:01,632 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 17:16:01,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-15 17:16:01,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-15 17:16:01,837 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 17:16:01,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 17:16:01,837 INFO L85 PathProgramCache]: Analyzing trace with hash -109940317, now seen corresponding path program 1 times [2023-12-15 17:16:01,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 17:16:01,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113103528] [2023-12-15 17:16:01,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 17:16:01,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 17:16:01,846 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 17:16:01,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [961152111] [2023-12-15 17:16:01,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 17:16:01,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 17:16:01,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 17:16:01,848 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 17:16:01,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-15 17:16:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:16:01,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 17:16:01,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 17:16:01,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 17:16:01,928 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 17:16:01,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 17:16:01,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113103528] [2023-12-15 17:16:01,929 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 17:16:01,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961152111] [2023-12-15 17:16:01,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961152111] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 17:16:01,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 17:16:01,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 17:16:01,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781968775] [2023-12-15 17:16:01,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 17:16:01,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 17:16:01,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 17:16:01,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 17:16:01,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-15 17:16:01,931 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. Second operand 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) [2023-12-15 17:16:01,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 17:16:01,966 INFO L93 Difference]: Finished difference Result 42 states and 56 transitions. [2023-12-15 17:16:01,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 17:16:01,967 INFO L78 Accepts]: Start accepts. 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) Word has length 12 [2023-12-15 17:16:01,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 17:16:01,967 INFO L225 Difference]: With dead ends: 42 [2023-12-15 17:16:01,967 INFO L226 Difference]: Without dead ends: 27 [2023-12-15 17:16:01,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-15 17:16:01,969 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 23 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 17:16:01,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 21 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 17:16:01,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-12-15 17:16:01,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 20. [2023-12-15 17:16:01,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 19 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) [2023-12-15 17:16:01,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2023-12-15 17:16:01,974 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 25 transitions. Word has length 12 [2023-12-15 17:16:01,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 17:16:01,975 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 25 transitions. [2023-12-15 17:16:01,975 INFO L496 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) [2023-12-15 17:16:01,975 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-12-15 17:16:01,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-15 17:16:01,976 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 17:16:01,976 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 17:16:01,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-15 17:16:02,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-15 17:16:02,182 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 17:16:02,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 17:16:02,182 INFO L85 PathProgramCache]: Analyzing trace with hash 201196895, now seen corresponding path program 1 times [2023-12-15 17:16:02,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 17:16:02,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135245248] [2023-12-15 17:16:02,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 17:16:02,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 17:16:02,191 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 17:16:02,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [726673856] [2023-12-15 17:16:02,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 17:16:02,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 17:16:02,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 17:16:02,194 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 17:16:02,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-15 17:16:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:16:02,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-15 17:16:02,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 17:16:02,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 17:16:02,304 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 17:16:02,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 17:16:02,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 17:16:02,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135245248] [2023-12-15 17:16:02,337 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 17:16:02,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726673856] [2023-12-15 17:16:02,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726673856] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 17:16:02,338 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 17:16:02,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-12-15 17:16:02,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520603428] [2023-12-15 17:16:02,339 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 17:16:02,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 17:16:02,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 17:16:02,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 17:16:02,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-12-15 17:16:02,342 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 17:16:02,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 17:16:02,442 INFO L93 Difference]: Finished difference Result 62 states and 82 transitions. [2023-12-15 17:16:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-15 17:16:02,443 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 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) Word has length 13 [2023-12-15 17:16:02,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 17:16:02,446 INFO L225 Difference]: With dead ends: 62 [2023-12-15 17:16:02,446 INFO L226 Difference]: Without dead ends: 44 [2023-12-15 17:16:02,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2023-12-15 17:16:02,449 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 77 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 17:16:02,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 37 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 17:16:02,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-12-15 17:16:02,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 35. [2023-12-15 17:16:02,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 34 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 17:16:02,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 43 transitions. [2023-12-15 17:16:02,470 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 43 transitions. Word has length 13 [2023-12-15 17:16:02,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 17:16:02,470 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 43 transitions. [2023-12-15 17:16:02,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 17:16:02,470 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2023-12-15 17:16:02,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-15 17:16:02,471 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 17:16:02,471 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 17:16:02,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-15 17:16:02,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 17:16:02,677 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 17:16:02,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 17:16:02,678 INFO L85 PathProgramCache]: Analyzing trace with hash 160923811, now seen corresponding path program 2 times [2023-12-15 17:16:02,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 17:16:02,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274649493] [2023-12-15 17:16:02,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 17:16:02,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 17:16:02,689 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 17:16:02,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1007637671] [2023-12-15 17:16:02,690 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-15 17:16:02,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 17:16:02,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 17:16:02,691 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 17:16:02,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-15 17:16:02,753 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-12-15 17:16:02,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-15 17:16:02,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 17:16:02,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 17:16:02,794 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-15 17:16:02,794 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 17:16:02,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 17:16:02,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274649493] [2023-12-15 17:16:02,794 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 17:16:02,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007637671] [2023-12-15 17:16:02,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007637671] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 17:16:02,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 17:16:02,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 17:16:02,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916011110] [2023-12-15 17:16:02,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 17:16:02,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 17:16:02,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 17:16:02,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 17:16:02,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-15 17:16:02,800 INFO L87 Difference]: Start difference. First operand 35 states and 43 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 17:16:02,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 17:16:02,846 INFO L93 Difference]: Finished difference Result 83 states and 102 transitions. [2023-12-15 17:16:02,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 17:16:02,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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) Word has length 16 [2023-12-15 17:16:02,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 17:16:02,849 INFO L225 Difference]: With dead ends: 83 [2023-12-15 17:16:02,849 INFO L226 Difference]: Without dead ends: 65 [2023-12-15 17:16:02,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-15 17:16:02,853 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 39 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 17:16:02,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 16 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 17:16:02,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-12-15 17:16:02,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 36. [2023-12-15 17:16:02,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 17:16:02,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 44 transitions. [2023-12-15 17:16:02,865 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 44 transitions. Word has length 16 [2023-12-15 17:16:02,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 17:16:02,865 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 44 transitions. [2023-12-15 17:16:02,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 17:16:02,866 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2023-12-15 17:16:02,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-15 17:16:02,866 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 17:16:02,866 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 17:16:02,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-15 17:16:03,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 17:16:03,072 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 17:16:03,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 17:16:03,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1512840420, now seen corresponding path program 1 times [2023-12-15 17:16:03,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 17:16:03,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973119932] [2023-12-15 17:16:03,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 17:16:03,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 17:16:03,085 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 17:16:03,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [968539161] [2023-12-15 17:16:03,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 17:16:03,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 17:16:03,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 17:16:03,088 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 17:16:03,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-15 17:16:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:16:03,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-15 17:16:03,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 17:16:03,237 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-15 17:16:03,237 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 17:16:03,301 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-15 17:16:03,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 17:16:03,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973119932] [2023-12-15 17:16:03,302 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 17:16:03,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968539161] [2023-12-15 17:16:03,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968539161] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 17:16:03,302 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 17:16:03,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2023-12-15 17:16:03,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639345991] [2023-12-15 17:16:03,303 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 17:16:03,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-15 17:16:03,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 17:16:03,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-15 17:16:03,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2023-12-15 17:16:03,305 INFO L87 Difference]: Start difference. First operand 36 states and 44 transitions. Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 17:16:03,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 17:16:03,490 INFO L93 Difference]: Finished difference Result 119 states and 150 transitions. [2023-12-15 17:16:03,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-15 17:16:03,491 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 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) Word has length 23 [2023-12-15 17:16:03,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 17:16:03,492 INFO L225 Difference]: With dead ends: 119 [2023-12-15 17:16:03,492 INFO L226 Difference]: Without dead ends: 85 [2023-12-15 17:16:03,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=151, Invalid=191, Unknown=0, NotChecked=0, Total=342 [2023-12-15 17:16:03,493 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 178 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 17:16:03,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 60 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 17:16:03,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-12-15 17:16:03,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 66. [2023-12-15 17:16:03,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 1.2307692307692308) internal successors, (80), 65 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 17:16:03,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 80 transitions. [2023-12-15 17:16:03,507 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 80 transitions. Word has length 23 [2023-12-15 17:16:03,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 17:16:03,508 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 80 transitions. [2023-12-15 17:16:03,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 17:16:03,508 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 80 transitions. [2023-12-15 17:16:03,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-15 17:16:03,509 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 17:16:03,509 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 17:16:03,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-15 17:16:03,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 17:16:03,716 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 17:16:03,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 17:16:03,717 INFO L85 PathProgramCache]: Analyzing trace with hash -613040220, now seen corresponding path program 2 times [2023-12-15 17:16:03,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 17:16:03,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291461252] [2023-12-15 17:16:03,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 17:16:03,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 17:16:03,743 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 17:16:03,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1945437830] [2023-12-15 17:16:03,743 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-15 17:16:03,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 17:16:03,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 17:16:03,745 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 17:16:03,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-15 17:16:03,847 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-15 17:16:03,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-15 17:16:03,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-15 17:16:03,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 17:16:04,053 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-15 17:16:04,054 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 17:16:04,229 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-15 17:16:04,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 17:16:04,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291461252] [2023-12-15 17:16:04,229 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 17:16:04,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945437830] [2023-12-15 17:16:04,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1945437830] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 17:16:04,230 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 17:16:04,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 25 [2023-12-15 17:16:04,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654194228] [2023-12-15 17:16:04,230 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 17:16:04,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-12-15 17:16:04,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 17:16:04,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-12-15 17:16:04,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=303, Invalid=347, Unknown=0, NotChecked=0, Total=650 [2023-12-15 17:16:04,233 INFO L87 Difference]: Start difference. First operand 66 states and 80 transitions. Second operand has 26 states, 26 states have (on average 1.5) internal successors, (39), 25 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 17:16:04,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 17:16:04,676 INFO L93 Difference]: Finished difference Result 233 states and 288 transitions. [2023-12-15 17:16:04,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-15 17:16:04,677 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.5) internal successors, (39), 25 states have internal predecessors, (39), 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) Word has length 35 [2023-12-15 17:16:04,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 17:16:04,678 INFO L225 Difference]: With dead ends: 233 [2023-12-15 17:16:04,678 INFO L226 Difference]: Without dead ends: 169 [2023-12-15 17:16:04,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=589, Invalid=743, Unknown=0, NotChecked=0, Total=1332 [2023-12-15 17:16:04,679 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 287 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 17:16:04,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 106 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 17:16:04,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2023-12-15 17:16:04,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 126. [2023-12-15 17:16:04,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 125 states have (on average 1.216) internal successors, (152), 125 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 17:16:04,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 152 transitions. [2023-12-15 17:16:04,716 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 152 transitions. Word has length 35 [2023-12-15 17:16:04,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 17:16:04,716 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 152 transitions. [2023-12-15 17:16:04,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.5) internal successors, (39), 25 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 17:16:04,716 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 152 transitions. [2023-12-15 17:16:04,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-15 17:16:04,719 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 17:16:04,719 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 17:16:04,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-15 17:16:04,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 17:16:04,931 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 17:16:04,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 17:16:04,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1067390244, now seen corresponding path program 3 times [2023-12-15 17:16:04,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 17:16:04,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984379353] [2023-12-15 17:16:04,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 17:16:04,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 17:16:04,975 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 17:16:04,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1848822708] [2023-12-15 17:16:04,975 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-15 17:16:04,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 17:16:04,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 17:16:04,977 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 17:16:04,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-15 17:16:05,073 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-12-15 17:16:05,074 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-15 17:16:05,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-15 17:16:05,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 17:16:05,205 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2023-12-15 17:16:05,205 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 17:16:05,286 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2023-12-15 17:16:05,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 17:16:05,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984379353] [2023-12-15 17:16:05,287 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 17:16:05,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848822708] [2023-12-15 17:16:05,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848822708] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 17:16:05,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 17:16:05,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-12-15 17:16:05,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355251733] [2023-12-15 17:16:05,290 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 17:16:05,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 17:16:05,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 17:16:05,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 17:16:05,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-12-15 17:16:05,292 INFO L87 Difference]: Start difference. First operand 126 states and 152 transitions. Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 17:16:05,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 17:16:05,434 INFO L93 Difference]: Finished difference Result 589 states and 717 transitions. [2023-12-15 17:16:05,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-15 17:16:05,434 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 7 states have internal predecessors, (29), 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) Word has length 59 [2023-12-15 17:16:05,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 17:16:05,437 INFO L225 Difference]: With dead ends: 589 [2023-12-15 17:16:05,437 INFO L226 Difference]: Without dead ends: 490 [2023-12-15 17:16:05,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2023-12-15 17:16:05,441 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 104 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 17:16:05,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 30 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 17:16:05,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2023-12-15 17:16:05,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 276. [2023-12-15 17:16:05,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 275 states have (on average 1.12) internal successors, (308), 275 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 17:16:05,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 308 transitions. [2023-12-15 17:16:05,499 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 308 transitions. Word has length 59 [2023-12-15 17:16:05,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 17:16:05,499 INFO L495 AbstractCegarLoop]: Abstraction has 276 states and 308 transitions. [2023-12-15 17:16:05,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 17:16:05,499 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 308 transitions. [2023-12-15 17:16:05,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-12-15 17:16:05,507 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 17:16:05,507 INFO L195 NwaCegarLoop]: trace histogram [88, 88, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 17:16:05,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-15 17:16:05,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 17:16:05,716 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 17:16:05,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 17:16:05,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1557367024, now seen corresponding path program 4 times [2023-12-15 17:16:05,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 17:16:05,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162620663] [2023-12-15 17:16:05,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 17:16:05,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 17:16:05,807 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 17:16:05,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [342218725] [2023-12-15 17:16:05,808 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-12-15 17:16:05,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 17:16:05,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 17:16:05,809 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 17:16:05,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-15 17:16:12,324 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-12-15 17:16:12,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-15 17:16:12,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 334 conjunts are in the unsatisfiable core [2023-12-15 17:16:12,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 17:16:12,416 INFO L378 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 27 treesize of output 23 [2023-12-15 17:16:12,444 INFO L378 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 43 treesize of output 27 [2023-12-15 17:16:12,469 INFO L378 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 43 treesize of output 27 [2023-12-15 17:16:12,497 INFO L378 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 43 treesize of output 27 [2023-12-15 17:16:12,524 INFO L378 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 43 treesize of output 27 [2023-12-15 17:16:12,556 INFO L378 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 43 treesize of output 27 [2023-12-15 17:16:12,626 INFO L378 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 43 treesize of output 27 [2023-12-15 17:16:12,669 INFO L378 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 43 treesize of output 27 [2023-12-15 17:16:12,706 INFO L378 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 43 treesize of output 27 [2023-12-15 17:16:12,755 INFO L378 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 43 treesize of output 27 [2023-12-15 17:16:12,794 INFO L378 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 43 treesize of output 27 [2023-12-15 17:16:12,837 INFO L378 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 43 treesize of output 27 [2023-12-15 17:16:12,880 INFO L378 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 43 treesize of output 27 [2023-12-15 17:16:12,926 INFO L378 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 43 treesize of output 27 [2023-12-15 17:16:12,969 INFO L378 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 43 treesize of output 27 [2023-12-15 17:16:13,007 INFO L378 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 43 treesize of output 27 [2023-12-15 17:16:13,052 INFO L378 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 43 treesize of output 27 [2023-12-15 17:16:13,096 INFO L378 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 43 treesize of output 27 [2023-12-15 17:16:13,146 INFO L378 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 43 treesize of output 27 [2023-12-15 17:16:13,195 INFO L378 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 43 treesize of output 27 [2023-12-15 17:16:13,243 INFO L378 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 43 treesize of output 27 [2023-12-15 17:16:13,298 INFO L378 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 43 treesize of output 27 [2023-12-15 17:16:13,424 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-12-15 17:16:13,424 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:13,476 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-12-15 17:16:13,477 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:13,533 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-12-15 17:16:13,533 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:13,589 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-12-15 17:16:13,590 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:13,655 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-12-15 17:16:13,655 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:13,712 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-12-15 17:16:13,713 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:13,811 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-12-15 17:16:13,812 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:13,870 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-12-15 17:16:13,871 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:13,932 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-12-15 17:16:13,933 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:13,996 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-12-15 17:16:13,997 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:14,063 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-12-15 17:16:14,064 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:14,132 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-12-15 17:16:14,132 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:14,196 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-12-15 17:16:14,197 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:14,263 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-12-15 17:16:14,263 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:14,328 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-12-15 17:16:14,328 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:14,397 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-12-15 17:16:14,398 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:14,470 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-12-15 17:16:14,473 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:14,546 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-12-15 17:16:14,546 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:14,620 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-12-15 17:16:14,620 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:14,697 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-12-15 17:16:14,698 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:14,775 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-12-15 17:16:14,775 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:14,859 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-12-15 17:16:14,860 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:15,016 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-12-15 17:16:15,017 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:15,082 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-12-15 17:16:15,082 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:15,148 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-12-15 17:16:15,148 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:15,214 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-12-15 17:16:15,215 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:15,283 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-12-15 17:16:15,284 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:15,352 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-12-15 17:16:15,352 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:15,421 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-12-15 17:16:15,422 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:15,488 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-12-15 17:16:15,488 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:15,560 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-12-15 17:16:15,560 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:15,631 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-12-15 17:16:15,632 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:15,702 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-12-15 17:16:15,703 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:15,781 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-12-15 17:16:15,781 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:15,858 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-12-15 17:16:15,859 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:15,938 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-12-15 17:16:15,939 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:16,042 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-12-15 17:16:16,043 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:16,122 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-12-15 17:16:16,123 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:16,205 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-12-15 17:16:16,206 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:16,294 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-12-15 17:16:16,295 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:16,377 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-12-15 17:16:16,377 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:16,460 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-12-15 17:16:16,461 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:16,547 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-12-15 17:16:16,548 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:16,635 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-12-15 17:16:16,636 INFO L378 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 1 case distinctions, treesize of input 53 treesize of output 27 [2023-12-15 17:16:16,784 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2023-12-15 17:16:16,784 INFO L378 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 1 case distinctions, treesize of input 47 treesize of output 27 [2023-12-15 17:16:16,849 INFO L378 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 49 treesize of output 27 [2023-12-15 17:16:16,914 INFO L378 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 49 treesize of output 27 [2023-12-15 17:16:16,991 INFO L349 Elim1Store]: treesize reduction 30, result has 18.9 percent of original size [2023-12-15 17:16:16,991 INFO L378 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 1 case distinctions, treesize of input 49 treesize of output 27 [2023-12-15 17:16:17,063 INFO L378 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 49 treesize of output 27 [2023-12-15 17:16:17,170 INFO L378 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 49 treesize of output 27 [2023-12-15 17:16:17,247 INFO L349 Elim1Store]: treesize reduction 30, result has 18.9 percent of original size [2023-12-15 17:16:17,248 INFO L378 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 1 case distinctions, treesize of input 49 treesize of output 27 [2023-12-15 17:16:17,316 INFO L378 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 49 treesize of output 27 [2023-12-15 17:16:17,382 INFO L378 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 49 treesize of output 27 [2023-12-15 17:16:17,457 INFO L349 Elim1Store]: treesize reduction 30, result has 18.9 percent of original size [2023-12-15 17:16:17,458 INFO L378 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 1 case distinctions, treesize of input 49 treesize of output 27 [2023-12-15 17:16:17,529 INFO L378 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 49 treesize of output 27 [2023-12-15 17:16:17,613 INFO L378 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 49 treesize of output 27 [2023-12-15 17:16:17,700 INFO L349 Elim1Store]: treesize reduction 30, result has 18.9 percent of original size [2023-12-15 17:16:17,700 INFO L378 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 1 case distinctions, treesize of input 49 treesize of output 27 [2023-12-15 17:16:17,776 INFO L378 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 49 treesize of output 27 [2023-12-15 17:16:17,858 INFO L378 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 49 treesize of output 27 [2023-12-15 17:16:17,954 INFO L349 Elim1Store]: treesize reduction 30, result has 18.9 percent of original size [2023-12-15 17:16:17,954 INFO L378 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 1 case distinctions, treesize of input 49 treesize of output 27 [2023-12-15 17:16:18,034 INFO L378 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 49 treesize of output 27 [2023-12-15 17:16:18,110 INFO L378 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 49 treesize of output 27 [2023-12-15 17:16:18,212 INFO L349 Elim1Store]: treesize reduction 30, result has 18.9 percent of original size [2023-12-15 17:16:18,212 INFO L378 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 1 case distinctions, treesize of input 49 treesize of output 27 [2023-12-15 17:16:18,320 INFO L378 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 49 treesize of output 27 [2023-12-15 17:16:18,421 INFO L378 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 49 treesize of output 27 [2023-12-15 17:16:18,516 INFO L349 Elim1Store]: treesize reduction 30, result has 18.9 percent of original size [2023-12-15 17:16:18,517 INFO L378 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 1 case distinctions, treesize of input 49 treesize of output 27 [2023-12-15 17:16:18,727 INFO L134 CoverageAnalysis]: Checked inductivity of 8404 backedges. 462 proven. 3740 refuted. 0 times theorem prover too weak. 4202 trivial. 0 not checked. [2023-12-15 17:16:18,727 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 17:16:33,846 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1241 Int) (v_ArrVal_1221 Int) (v_ArrVal_1243 Int) (v_ArrVal_1224 Int) (v_ArrVal_1246 Int) (v_ArrVal_1204 Int) (v_ArrVal_1225 Int) (v_ArrVal_1247 Int) (v_ArrVal_1205 Int) (v_ArrVal_1227 Int) (v_ArrVal_1249 Int) (v_ArrVal_1207 Int) (v_ArrVal_1229 Int) (v_ArrVal_1209 Int) (v_ArrVal_1251 Int) (|v_ULTIMATE.start_main_~j~0#1_245| Int) (v_ArrVal_1231 Int) (v_ArrVal_1211 Int) (v_ArrVal_1233 Int) (|v_ULTIMATE.start_main_~j~0#1_246| Int) (v_ArrVal_1215 Int) (v_ArrVal_1237 Int) (v_ArrVal_1214 Int) (v_ArrVal_1236 Int) (v_ArrVal_1217 Int) (v_ArrVal_1239 Int) (v_ArrVal_1219 Int)) (or (< |v_ULTIMATE.start_main_~j~0#1_245| (+ |v_ULTIMATE.start_main_~j~0#1_246| 1)) (let ((.cse0 (* |c_ULTIMATE.start_main_~n~0#1| 4))) (= (select (select |c_#memory_int#1| |c_ULTIMATE.start_main_~#B~0#1.base|) (+ |c_ULTIMATE.start_main_~#B~0#1.offset| (- 4) .cse0 (* .cse0 (+ (- 1) |c_ULTIMATE.start_main_~m~0#1|)))) (select (let ((.cse2 (* (+ |c_ULTIMATE.start_main_~i~0#1| 1) .cse0))) (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (let ((.cse1 (* .cse0 |c_ULTIMATE.start_main_~i~0#1|))) (store (store (store (select |c_#memory_int#2| |c_ULTIMATE.start_main_~#A~0#1.base|) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse1 (* |c_ULTIMATE.start_main_~j~0#1| 4)) v_ArrVal_1204) (+ (* |v_ULTIMATE.start_main_~j~0#1_246| 4) |c_ULTIMATE.start_main_~#A~0#1.offset| .cse1) v_ArrVal_1205) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| (* |v_ULTIMATE.start_main_~j~0#1_245| 4) .cse1) v_ArrVal_1207)) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1209) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 4) v_ArrVal_1211) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 8) v_ArrVal_1214) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 12) v_ArrVal_1215) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 16) v_ArrVal_1217) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 20) v_ArrVal_1219) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 24) v_ArrVal_1221) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 28) v_ArrVal_1224) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 32) v_ArrVal_1225) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 36) v_ArrVal_1227) (+ 40 |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1229) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 44) v_ArrVal_1231) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 48) v_ArrVal_1233) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 52) v_ArrVal_1236) (+ 56 |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1237) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 60) v_ArrVal_1239) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 64) v_ArrVal_1241) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 68) v_ArrVal_1243) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 72) v_ArrVal_1246) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| 76 .cse2) v_ArrVal_1247) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 80) v_ArrVal_1249) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 84) v_ArrVal_1251)) |c_ULTIMATE.start_main_~#A~0#1.offset|))) (< |v_ULTIMATE.start_main_~j~0#1_246| (+ |c_ULTIMATE.start_main_~j~0#1| 1)))) is different from false [2023-12-15 17:16:37,897 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1241 Int) (v_ArrVal_1221 Int) (v_ArrVal_1243 Int) (v_ArrVal_1202 Int) (v_ArrVal_1224 Int) (v_ArrVal_1246 Int) (v_ArrVal_1204 Int) (v_ArrVal_1225 Int) (v_ArrVal_1247 Int) (v_ArrVal_1205 Int) (v_ArrVal_1227 Int) (v_ArrVal_1249 Int) (v_ArrVal_1207 Int) (v_ArrVal_1229 Int) (v_ArrVal_1209 Int) (v_ArrVal_1251 Int) (|v_ULTIMATE.start_main_~j~0#1_245| Int) (v_ArrVal_1231 Int) (|v_ULTIMATE.start_main_~j~0#1_247| Int) (v_ArrVal_1211 Int) (v_ArrVal_1233 Int) (|v_ULTIMATE.start_main_~j~0#1_246| Int) (v_ArrVal_1215 Int) (v_ArrVal_1237 Int) (v_ArrVal_1214 Int) (v_ArrVal_1236 Int) (v_ArrVal_1217 Int) (v_ArrVal_1239 Int) (v_ArrVal_1219 Int)) (or (< |v_ULTIMATE.start_main_~j~0#1_245| (+ |v_ULTIMATE.start_main_~j~0#1_246| 1)) (let ((.cse1 (* |c_ULTIMATE.start_main_~n~0#1| 4))) (= (select (let ((.cse2 (* (+ |c_ULTIMATE.start_main_~i~0#1| 1) .cse1))) (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (let ((.cse0 (* .cse1 |c_ULTIMATE.start_main_~i~0#1|))) (store (store (store (store (select |c_#memory_int#2| |c_ULTIMATE.start_main_~#A~0#1.base|) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0 (* |c_ULTIMATE.start_main_~j~0#1| 4)) v_ArrVal_1202) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0 (* |v_ULTIMATE.start_main_~j~0#1_247| 4)) v_ArrVal_1204) (+ (* |v_ULTIMATE.start_main_~j~0#1_246| 4) |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0) v_ArrVal_1205) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| (* |v_ULTIMATE.start_main_~j~0#1_245| 4) .cse0) v_ArrVal_1207)) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1209) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 4) v_ArrVal_1211) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 8) v_ArrVal_1214) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 12) v_ArrVal_1215) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 16) v_ArrVal_1217) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 20) v_ArrVal_1219) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 24) v_ArrVal_1221) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 28) v_ArrVal_1224) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 32) v_ArrVal_1225) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 36) v_ArrVal_1227) (+ 40 |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1229) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 44) v_ArrVal_1231) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 48) v_ArrVal_1233) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 52) v_ArrVal_1236) (+ 56 |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1237) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 60) v_ArrVal_1239) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 64) v_ArrVal_1241) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 68) v_ArrVal_1243) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 72) v_ArrVal_1246) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| 76 .cse2) v_ArrVal_1247) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 80) v_ArrVal_1249) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 84) v_ArrVal_1251)) |c_ULTIMATE.start_main_~#A~0#1.offset|) (select (select |c_#memory_int#1| |c_ULTIMATE.start_main_~#B~0#1.base|) (+ |c_ULTIMATE.start_main_~#B~0#1.offset| (- 4) .cse1 (* .cse1 (+ (- 1) |c_ULTIMATE.start_main_~m~0#1|)))))) (< |v_ULTIMATE.start_main_~j~0#1_247| (+ |c_ULTIMATE.start_main_~j~0#1| 1)) (< |v_ULTIMATE.start_main_~j~0#1_246| (+ |v_ULTIMATE.start_main_~j~0#1_247| 1)))) is different from false [2023-12-15 17:16:41,964 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1241 Int) (v_ArrVal_1221 Int) (v_ArrVal_1243 Int) (v_ArrVal_1202 Int) (v_ArrVal_1224 Int) (v_ArrVal_1246 Int) (v_ArrVal_1204 Int) (v_ArrVal_1225 Int) (v_ArrVal_1247 Int) (v_ArrVal_1205 Int) (v_ArrVal_1227 Int) (v_ArrVal_1249 Int) (v_ArrVal_1207 Int) (v_ArrVal_1229 Int) (v_ArrVal_1209 Int) (v_ArrVal_1251 Int) (|v_ULTIMATE.start_main_~j~0#1_245| Int) (v_ArrVal_1231 Int) (|v_ULTIMATE.start_main_~j~0#1_247| Int) (v_ArrVal_1211 Int) (v_ArrVal_1233 Int) (v_ArrVal_1199 Int) (|v_ULTIMATE.start_main_~j~0#1_246| Int) (|v_ULTIMATE.start_main_~j~0#1_248| Int) (v_ArrVal_1215 Int) (v_ArrVal_1237 Int) (v_ArrVal_1214 Int) (v_ArrVal_1236 Int) (v_ArrVal_1217 Int) (v_ArrVal_1239 Int) (v_ArrVal_1219 Int)) (or (< |v_ULTIMATE.start_main_~j~0#1_245| (+ |v_ULTIMATE.start_main_~j~0#1_246| 1)) (< |v_ULTIMATE.start_main_~j~0#1_247| (+ |v_ULTIMATE.start_main_~j~0#1_248| 1)) (let ((.cse1 (* |c_ULTIMATE.start_main_~n~0#1| 4))) (= (select (let ((.cse2 (* (+ |c_ULTIMATE.start_main_~i~0#1| 1) .cse1))) (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (let ((.cse0 (* .cse1 |c_ULTIMATE.start_main_~i~0#1|))) (store (store (store (store (store (select |c_#memory_int#2| |c_ULTIMATE.start_main_~#A~0#1.base|) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0 (* |c_ULTIMATE.start_main_~j~0#1| 4)) v_ArrVal_1199) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| (* |v_ULTIMATE.start_main_~j~0#1_248| 4) .cse0) v_ArrVal_1202) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0 (* |v_ULTIMATE.start_main_~j~0#1_247| 4)) v_ArrVal_1204) (+ (* |v_ULTIMATE.start_main_~j~0#1_246| 4) |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0) v_ArrVal_1205) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| (* |v_ULTIMATE.start_main_~j~0#1_245| 4) .cse0) v_ArrVal_1207)) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1209) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 4) v_ArrVal_1211) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 8) v_ArrVal_1214) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 12) v_ArrVal_1215) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 16) v_ArrVal_1217) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 20) v_ArrVal_1219) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 24) v_ArrVal_1221) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 28) v_ArrVal_1224) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 32) v_ArrVal_1225) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 36) v_ArrVal_1227) (+ 40 |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1229) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 44) v_ArrVal_1231) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 48) v_ArrVal_1233) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 52) v_ArrVal_1236) (+ 56 |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1237) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 60) v_ArrVal_1239) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 64) v_ArrVal_1241) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 68) v_ArrVal_1243) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 72) v_ArrVal_1246) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| 76 .cse2) v_ArrVal_1247) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 80) v_ArrVal_1249) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 84) v_ArrVal_1251)) |c_ULTIMATE.start_main_~#A~0#1.offset|) (select (select |c_#memory_int#1| |c_ULTIMATE.start_main_~#B~0#1.base|) (+ |c_ULTIMATE.start_main_~#B~0#1.offset| (- 4) .cse1 (* .cse1 (+ (- 1) |c_ULTIMATE.start_main_~m~0#1|)))))) (< |v_ULTIMATE.start_main_~j~0#1_248| (+ |c_ULTIMATE.start_main_~j~0#1| 1)) (< |v_ULTIMATE.start_main_~j~0#1_246| (+ |v_ULTIMATE.start_main_~j~0#1_247| 1)))) is different from false [2023-12-15 17:16:46,055 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1241 Int) (v_ArrVal_1221 Int) (v_ArrVal_1243 Int) (v_ArrVal_1202 Int) (v_ArrVal_1224 Int) (v_ArrVal_1246 Int) (v_ArrVal_1204 Int) (v_ArrVal_1225 Int) (v_ArrVal_1247 Int) (v_ArrVal_1205 Int) (v_ArrVal_1227 Int) (v_ArrVal_1249 Int) (v_ArrVal_1207 Int) (v_ArrVal_1229 Int) (v_ArrVal_1209 Int) (v_ArrVal_1251 Int) (|v_ULTIMATE.start_main_~j~0#1_245| Int) (v_ArrVal_1231 Int) (v_ArrVal_1197 Int) (|v_ULTIMATE.start_main_~j~0#1_247| Int) (v_ArrVal_1211 Int) (v_ArrVal_1233 Int) (v_ArrVal_1199 Int) (|v_ULTIMATE.start_main_~j~0#1_246| Int) (|v_ULTIMATE.start_main_~j~0#1_249| Int) (|v_ULTIMATE.start_main_~j~0#1_248| Int) (v_ArrVal_1215 Int) (v_ArrVal_1237 Int) (v_ArrVal_1214 Int) (v_ArrVal_1236 Int) (v_ArrVal_1217 Int) (v_ArrVal_1239 Int) (v_ArrVal_1219 Int)) (or (< |v_ULTIMATE.start_main_~j~0#1_245| (+ |v_ULTIMATE.start_main_~j~0#1_246| 1)) (< |v_ULTIMATE.start_main_~j~0#1_247| (+ |v_ULTIMATE.start_main_~j~0#1_248| 1)) (< |v_ULTIMATE.start_main_~j~0#1_248| (+ |v_ULTIMATE.start_main_~j~0#1_249| 1)) (< |v_ULTIMATE.start_main_~j~0#1_246| (+ |v_ULTIMATE.start_main_~j~0#1_247| 1)) (< |v_ULTIMATE.start_main_~j~0#1_249| (+ |c_ULTIMATE.start_main_~j~0#1| 1)) (let ((.cse1 (* |c_ULTIMATE.start_main_~n~0#1| 4))) (= (select (let ((.cse2 (* (+ |c_ULTIMATE.start_main_~i~0#1| 1) .cse1))) (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (let ((.cse0 (* .cse1 |c_ULTIMATE.start_main_~i~0#1|))) (store (store (store (store (store (store (select |c_#memory_int#2| |c_ULTIMATE.start_main_~#A~0#1.base|) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0 (* |c_ULTIMATE.start_main_~j~0#1| 4)) v_ArrVal_1197) (+ (* |v_ULTIMATE.start_main_~j~0#1_249| 4) |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0) v_ArrVal_1199) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| (* |v_ULTIMATE.start_main_~j~0#1_248| 4) .cse0) v_ArrVal_1202) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0 (* |v_ULTIMATE.start_main_~j~0#1_247| 4)) v_ArrVal_1204) (+ (* |v_ULTIMATE.start_main_~j~0#1_246| 4) |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0) v_ArrVal_1205) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| (* |v_ULTIMATE.start_main_~j~0#1_245| 4) .cse0) v_ArrVal_1207)) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1209) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 4) v_ArrVal_1211) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 8) v_ArrVal_1214) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 12) v_ArrVal_1215) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 16) v_ArrVal_1217) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 20) v_ArrVal_1219) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 24) v_ArrVal_1221) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 28) v_ArrVal_1224) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 32) v_ArrVal_1225) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 36) v_ArrVal_1227) (+ 40 |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1229) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 44) v_ArrVal_1231) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 48) v_ArrVal_1233) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 52) v_ArrVal_1236) (+ 56 |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1237) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 60) v_ArrVal_1239) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 64) v_ArrVal_1241) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 68) v_ArrVal_1243) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 72) v_ArrVal_1246) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| 76 .cse2) v_ArrVal_1247) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 80) v_ArrVal_1249) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 84) v_ArrVal_1251)) |c_ULTIMATE.start_main_~#A~0#1.offset|) (select (select |c_#memory_int#1| |c_ULTIMATE.start_main_~#B~0#1.base|) (+ |c_ULTIMATE.start_main_~#B~0#1.offset| (- 4) .cse1 (* .cse1 (+ (- 1) |c_ULTIMATE.start_main_~m~0#1|)))))))) is different from false [2023-12-15 17:16:50,153 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~j~0#1_250| Int) (v_ArrVal_1241 Int) (v_ArrVal_1221 Int) (v_ArrVal_1243 Int) (v_ArrVal_1202 Int) (v_ArrVal_1224 Int) (v_ArrVal_1246 Int) (v_ArrVal_1204 Int) (v_ArrVal_1225 Int) (v_ArrVal_1247 Int) (v_ArrVal_1205 Int) (v_ArrVal_1227 Int) (v_ArrVal_1249 Int) (v_ArrVal_1207 Int) (v_ArrVal_1229 Int) (v_ArrVal_1209 Int) (v_ArrVal_1251 Int) (v_ArrVal_1195 Int) (|v_ULTIMATE.start_main_~j~0#1_245| Int) (v_ArrVal_1231 Int) (v_ArrVal_1197 Int) (|v_ULTIMATE.start_main_~j~0#1_247| Int) (v_ArrVal_1211 Int) (v_ArrVal_1233 Int) (v_ArrVal_1199 Int) (|v_ULTIMATE.start_main_~j~0#1_246| Int) (|v_ULTIMATE.start_main_~j~0#1_249| Int) (|v_ULTIMATE.start_main_~j~0#1_248| Int) (v_ArrVal_1215 Int) (v_ArrVal_1237 Int) (v_ArrVal_1214 Int) (v_ArrVal_1236 Int) (v_ArrVal_1217 Int) (v_ArrVal_1239 Int) (v_ArrVal_1219 Int)) (or (< |v_ULTIMATE.start_main_~j~0#1_245| (+ |v_ULTIMATE.start_main_~j~0#1_246| 1)) (< |v_ULTIMATE.start_main_~j~0#1_249| (+ |v_ULTIMATE.start_main_~j~0#1_250| 1)) (< |v_ULTIMATE.start_main_~j~0#1_247| (+ |v_ULTIMATE.start_main_~j~0#1_248| 1)) (let ((.cse1 (* |c_ULTIMATE.start_main_~n~0#1| 4))) (= (select (let ((.cse2 (* (+ |c_ULTIMATE.start_main_~i~0#1| 1) .cse1))) (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (let ((.cse0 (* .cse1 |c_ULTIMATE.start_main_~i~0#1|))) (store (store (store (store (store (store (store (select |c_#memory_int#2| |c_ULTIMATE.start_main_~#A~0#1.base|) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0 (* |c_ULTIMATE.start_main_~j~0#1| 4)) v_ArrVal_1195) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| (* |v_ULTIMATE.start_main_~j~0#1_250| 4) .cse0) v_ArrVal_1197) (+ (* |v_ULTIMATE.start_main_~j~0#1_249| 4) |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0) v_ArrVal_1199) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| (* |v_ULTIMATE.start_main_~j~0#1_248| 4) .cse0) v_ArrVal_1202) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0 (* |v_ULTIMATE.start_main_~j~0#1_247| 4)) v_ArrVal_1204) (+ (* |v_ULTIMATE.start_main_~j~0#1_246| 4) |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0) v_ArrVal_1205) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| (* |v_ULTIMATE.start_main_~j~0#1_245| 4) .cse0) v_ArrVal_1207)) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1209) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 4) v_ArrVal_1211) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 8) v_ArrVal_1214) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 12) v_ArrVal_1215) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 16) v_ArrVal_1217) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 20) v_ArrVal_1219) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 24) v_ArrVal_1221) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 28) v_ArrVal_1224) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 32) v_ArrVal_1225) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 36) v_ArrVal_1227) (+ 40 |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1229) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 44) v_ArrVal_1231) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 48) v_ArrVal_1233) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 52) v_ArrVal_1236) (+ 56 |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1237) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 60) v_ArrVal_1239) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 64) v_ArrVal_1241) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 68) v_ArrVal_1243) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 72) v_ArrVal_1246) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| 76 .cse2) v_ArrVal_1247) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 80) v_ArrVal_1249) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 84) v_ArrVal_1251)) |c_ULTIMATE.start_main_~#A~0#1.offset|) (select (select |c_#memory_int#1| |c_ULTIMATE.start_main_~#B~0#1.base|) (+ |c_ULTIMATE.start_main_~#B~0#1.offset| (- 4) .cse1 (* .cse1 (+ (- 1) |c_ULTIMATE.start_main_~m~0#1|)))))) (< |v_ULTIMATE.start_main_~j~0#1_250| (+ |c_ULTIMATE.start_main_~j~0#1| 1)) (< |v_ULTIMATE.start_main_~j~0#1_248| (+ |v_ULTIMATE.start_main_~j~0#1_249| 1)) (< |v_ULTIMATE.start_main_~j~0#1_246| (+ |v_ULTIMATE.start_main_~j~0#1_247| 1)))) is different from false [2023-12-15 17:16:54,252 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~j~0#1_250| Int) (|v_ULTIMATE.start_main_~j~0#1_251| Int) (v_ArrVal_1241 Int) (v_ArrVal_1221 Int) (v_ArrVal_1243 Int) (v_ArrVal_1202 Int) (v_ArrVal_1224 Int) (v_ArrVal_1246 Int) (v_ArrVal_1204 Int) (v_ArrVal_1225 Int) (v_ArrVal_1247 Int) (v_ArrVal_1205 Int) (v_ArrVal_1227 Int) (v_ArrVal_1249 Int) (v_ArrVal_1207 Int) (v_ArrVal_1229 Int) (v_ArrVal_1209 Int) (v_ArrVal_1194 Int) (v_ArrVal_1251 Int) (v_ArrVal_1195 Int) (|v_ULTIMATE.start_main_~j~0#1_245| Int) (v_ArrVal_1231 Int) (v_ArrVal_1197 Int) (|v_ULTIMATE.start_main_~j~0#1_247| Int) (v_ArrVal_1211 Int) (v_ArrVal_1233 Int) (v_ArrVal_1199 Int) (|v_ULTIMATE.start_main_~j~0#1_246| Int) (|v_ULTIMATE.start_main_~j~0#1_249| Int) (|v_ULTIMATE.start_main_~j~0#1_248| Int) (v_ArrVal_1215 Int) (v_ArrVal_1237 Int) (v_ArrVal_1214 Int) (v_ArrVal_1236 Int) (v_ArrVal_1217 Int) (v_ArrVal_1239 Int) (v_ArrVal_1219 Int)) (or (< |v_ULTIMATE.start_main_~j~0#1_245| (+ |v_ULTIMATE.start_main_~j~0#1_246| 1)) (< |v_ULTIMATE.start_main_~j~0#1_249| (+ |v_ULTIMATE.start_main_~j~0#1_250| 1)) (< |v_ULTIMATE.start_main_~j~0#1_247| (+ |v_ULTIMATE.start_main_~j~0#1_248| 1)) (< |v_ULTIMATE.start_main_~j~0#1_248| (+ |v_ULTIMATE.start_main_~j~0#1_249| 1)) (< |v_ULTIMATE.start_main_~j~0#1_246| (+ |v_ULTIMATE.start_main_~j~0#1_247| 1)) (< |v_ULTIMATE.start_main_~j~0#1_250| (+ |v_ULTIMATE.start_main_~j~0#1_251| 1)) (let ((.cse0 (* |c_ULTIMATE.start_main_~n~0#1| 4))) (= (select (select |c_#memory_int#1| |c_ULTIMATE.start_main_~#B~0#1.base|) (+ |c_ULTIMATE.start_main_~#B~0#1.offset| (- 4) .cse0 (* .cse0 (+ (- 1) |c_ULTIMATE.start_main_~m~0#1|)))) (select (let ((.cse2 (* (+ |c_ULTIMATE.start_main_~i~0#1| 1) .cse0))) (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (let ((.cse1 (* .cse0 |c_ULTIMATE.start_main_~i~0#1|))) (store (store (store (store (store (store (store (store (select |c_#memory_int#2| |c_ULTIMATE.start_main_~#A~0#1.base|) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse1 (* |c_ULTIMATE.start_main_~j~0#1| 4)) v_ArrVal_1194) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse1 (* |v_ULTIMATE.start_main_~j~0#1_251| 4)) v_ArrVal_1195) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| (* |v_ULTIMATE.start_main_~j~0#1_250| 4) .cse1) v_ArrVal_1197) (+ (* |v_ULTIMATE.start_main_~j~0#1_249| 4) |c_ULTIMATE.start_main_~#A~0#1.offset| .cse1) v_ArrVal_1199) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| (* |v_ULTIMATE.start_main_~j~0#1_248| 4) .cse1) v_ArrVal_1202) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse1 (* |v_ULTIMATE.start_main_~j~0#1_247| 4)) v_ArrVal_1204) (+ (* |v_ULTIMATE.start_main_~j~0#1_246| 4) |c_ULTIMATE.start_main_~#A~0#1.offset| .cse1) v_ArrVal_1205) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| (* |v_ULTIMATE.start_main_~j~0#1_245| 4) .cse1) v_ArrVal_1207)) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1209) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 4) v_ArrVal_1211) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 8) v_ArrVal_1214) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 12) v_ArrVal_1215) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 16) v_ArrVal_1217) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 20) v_ArrVal_1219) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 24) v_ArrVal_1221) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 28) v_ArrVal_1224) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 32) v_ArrVal_1225) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 36) v_ArrVal_1227) (+ 40 |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1229) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 44) v_ArrVal_1231) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 48) v_ArrVal_1233) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 52) v_ArrVal_1236) (+ 56 |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1237) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 60) v_ArrVal_1239) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 64) v_ArrVal_1241) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 68) v_ArrVal_1243) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 72) v_ArrVal_1246) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| 76 .cse2) v_ArrVal_1247) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 80) v_ArrVal_1249) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 84) v_ArrVal_1251)) |c_ULTIMATE.start_main_~#A~0#1.offset|))) (< |v_ULTIMATE.start_main_~j~0#1_251| (+ |c_ULTIMATE.start_main_~j~0#1| 1)))) is different from false Received shutdown request... [2023-12-15 17:17:10,012 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 [2023-12-15 17:17:10,012 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-15 17:17:10,494 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 17:17:10,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-15 17:17:10,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-12-15 17:17:10,695 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 210 with TraceHistMax 88,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 134 known predicates. [2023-12-15 17:17:10,699 INFO L445 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1] [2023-12-15 17:17:10,701 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 17:17:10,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 05:17:10 BoogieIcfgContainer [2023-12-15 17:17:10,704 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 17:17:10,704 INFO L158 Benchmark]: Toolchain (without parser) took 70203.54ms. Allocated memory was 263.2MB in the beginning and 457.2MB in the end (delta: 194.0MB). Free memory was 216.6MB in the beginning and 308.6MB in the end (delta: -92.0MB). Peak memory consumption was 102.9MB. Max. memory is 8.0GB. [2023-12-15 17:17:10,705 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 180.4MB. Free memory is still 135.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 17:17:10,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.42ms. Allocated memory is still 263.2MB. Free memory was 216.3MB in the beginning and 205.5MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-12-15 17:17:10,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.14ms. Allocated memory is still 263.2MB. Free memory was 205.5MB in the beginning and 203.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 17:17:10,706 INFO L158 Benchmark]: Boogie Preprocessor took 34.52ms. Allocated memory is still 263.2MB. Free memory was 203.7MB in the beginning and 201.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 17:17:10,706 INFO L158 Benchmark]: RCFGBuilder took 340.30ms. Allocated memory is still 263.2MB. Free memory was 201.6MB in the beginning and 188.7MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-15 17:17:10,706 INFO L158 Benchmark]: TraceAbstraction took 69557.28ms. Allocated memory was 263.2MB in the beginning and 457.2MB in the end (delta: 194.0MB). Free memory was 188.0MB in the beginning and 308.6MB in the end (delta: -120.7MB). Peak memory consumption was 74.6MB. Max. memory is 8.0GB. [2023-12-15 17:17:10,708 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 180.4MB. Free memory is still 135.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 226.42ms. Allocated memory is still 263.2MB. Free memory was 216.3MB in the beginning and 205.5MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.14ms. Allocated memory is still 263.2MB. Free memory was 205.5MB in the beginning and 203.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.52ms. Allocated memory is still 263.2MB. Free memory was 203.7MB in the beginning and 201.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 340.30ms. Allocated memory is still 263.2MB. Free memory was 201.6MB in the beginning and 188.7MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 69557.28ms. Allocated memory was 263.2MB in the beginning and 457.2MB in the end (delta: 194.0MB). Free memory was 188.0MB in the beginning and 308.6MB in the end (delta: -120.7MB). Peak memory consumption was 74.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 7]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 7). Cancelled while NwaCegarLoop was analyzing trace of length 210 with TraceHistMax 88,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 134 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 69.5s, OverallIterations: 8, TraceHistogramMax: 88, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 711 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 711 mSDsluCounter, 295 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 207 mSDsCounter, 266 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 310 IncrementalHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 266 mSolverCounterUnsat, 88 mSDtfsCounter, 310 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 306 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=276occurred in iteration=7, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 323 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 167 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 876 SizeOfPredicates, 14 NumberOfNonLiveVariables, 827 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 1166/1300 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown