/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/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-44.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 19:59:22,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 19:59:22,082 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 19:59:22,085 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 19:59:22,085 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 19:59:22,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 19:59:22,109 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 19:59:22,110 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 19:59:22,110 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 19:59:22,113 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 19:59:22,113 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 19:59:22,114 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 19:59:22,114 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 19:59:22,115 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 19:59:22,115 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 19:59:22,115 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 19:59:22,116 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 19:59:22,116 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 19:59:22,116 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 19:59:22,116 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 19:59:22,116 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 19:59:22,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 19:59:22,117 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 19:59:22,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 19:59:22,117 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 19:59:22,117 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 19:59:22,117 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 19:59:22,118 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 19:59:22,118 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 19:59:22,118 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 19:59:22,119 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 19:59:22,119 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 19:59:22,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 19:59:22,119 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 19:59:22,119 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 19:59:22,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 19:59:22,120 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 19:59:22,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 19:59:22,120 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 19:59:22,120 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 19:59:22,120 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 19:59:22,121 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 19:59:22,121 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 19:59:22,121 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 19:59:22,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 19:59:22,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 19:59:22,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 19:59:22,323 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 19:59:22,323 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 19:59:22,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-44.i [2023-12-15 19:59:23,468 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 19:59:23,661 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 19:59:23,661 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-44.i [2023-12-15 19:59:23,670 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/deb233f33/c667b9a64fd0452c8f82fc3640a1a432/FLAGba407161d [2023-12-15 19:59:23,679 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/deb233f33/c667b9a64fd0452c8f82fc3640a1a432 [2023-12-15 19:59:23,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 19:59:23,682 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 19:59:23,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 19:59:23,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 19:59:23,686 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 19:59:23,686 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 07:59:23" (1/1) ... [2023-12-15 19:59:23,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd2dd88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:59:23, skipping insertion in model container [2023-12-15 19:59:23,687 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 07:59:23" (1/1) ... [2023-12-15 19:59:23,730 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 19:59:23,832 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-44.i[916,929] [2023-12-15 19:59:23,980 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 19:59:24,022 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 19:59:24,031 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-44.i[916,929] [2023-12-15 19:59:24,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 19:59:24,149 INFO L206 MainTranslator]: Completed translation [2023-12-15 19:59:24,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:59:24 WrapperNode [2023-12-15 19:59:24,150 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 19:59:24,151 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 19:59:24,151 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 19:59:24,151 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 19:59:24,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:59:24" (1/1) ... [2023-12-15 19:59:24,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:59:24" (1/1) ... [2023-12-15 19:59:24,242 INFO L138 Inliner]: procedures = 26, calls = 123, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 826 [2023-12-15 19:59:24,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 19:59:24,243 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 19:59:24,243 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 19:59:24,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 19:59:24,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:59:24" (1/1) ... [2023-12-15 19:59:24,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:59:24" (1/1) ... [2023-12-15 19:59:24,273 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:59:24" (1/1) ... [2023-12-15 19:59:24,304 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-15 19:59:24,304 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:59:24" (1/1) ... [2023-12-15 19:59:24,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:59:24" (1/1) ... [2023-12-15 19:59:24,329 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:59:24" (1/1) ... [2023-12-15 19:59:24,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:59:24" (1/1) ... [2023-12-15 19:59:24,355 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:59:24" (1/1) ... [2023-12-15 19:59:24,360 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:59:24" (1/1) ... [2023-12-15 19:59:24,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 19:59:24,375 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 19:59:24,375 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 19:59:24,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 19:59:24,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:59:24" (1/1) ... [2023-12-15 19:59:24,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 19:59:24,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:59:24,432 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 19:59:24,446 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 19:59:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 19:59:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-15 19:59:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-15 19:59:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 19:59:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 19:59:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 19:59:24,591 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 19:59:24,593 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 19:59:25,355 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 19:59:25,389 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 19:59:25,390 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 19:59:25,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 07:59:25 BoogieIcfgContainer [2023-12-15 19:59:25,390 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 19:59:25,392 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 19:59:25,392 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 19:59:25,394 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 19:59:25,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 07:59:23" (1/3) ... [2023-12-15 19:59:25,394 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c09cc54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 07:59:25, skipping insertion in model container [2023-12-15 19:59:25,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:59:24" (2/3) ... [2023-12-15 19:59:25,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c09cc54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 07:59:25, skipping insertion in model container [2023-12-15 19:59:25,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 07:59:25" (3/3) ... [2023-12-15 19:59:25,395 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-500_file-44.i [2023-12-15 19:59:25,407 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 19:59:25,407 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 19:59:25,445 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 19:59:25,450 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;@7e3792ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 19:59:25,451 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 19:59:25,456 INFO L276 IsEmpty]: Start isEmpty. Operand has 320 states, 207 states have (on average 1.608695652173913) internal successors, (333), 208 states have internal predecessors, (333), 110 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2023-12-15 19:59:25,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 702 [2023-12-15 19:59:25,486 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:59:25,487 INFO L195 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:59:25,487 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:59:25,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:59:25,499 INFO L85 PathProgramCache]: Analyzing trace with hash 529414672, now seen corresponding path program 1 times [2023-12-15 19:59:25,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:59:25,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332452029] [2023-12-15 19:59:25,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:25,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:59:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:59:25,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:59:25,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332452029] [2023-12-15 19:59:25,813 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-15 19:59:25,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641615857] [2023-12-15 19:59:25,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:25,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:59:25,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:59:25,822 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 19:59:25,844 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 19:59:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:59:26,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 1608 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-15 19:59:26,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:59:26,370 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 218 proven. 0 refuted. 0 times theorem prover too weak. 23762 trivial. 0 not checked. [2023-12-15 19:59:26,370 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:59:26,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641615857] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:59:26,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:59:26,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 19:59:26,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016330628] [2023-12-15 19:59:26,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:59:26,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 19:59:26,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:59:26,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 19:59:26,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 19:59:26,403 INFO L87 Difference]: Start difference. First operand has 320 states, 207 states have (on average 1.608695652173913) internal successors, (333), 208 states have internal predecessors, (333), 110 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) Second operand has 2 states, 2 states have (on average 78.0) internal successors, (156), 2 states have internal predecessors, (156), 2 states have call successors, (110), 2 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 2 states have call successors, (110) [2023-12-15 19:59:26,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:59:26,455 INFO L93 Difference]: Finished difference Result 637 states and 1214 transitions. [2023-12-15 19:59:26,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 19:59:26,457 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 78.0) internal successors, (156), 2 states have internal predecessors, (156), 2 states have call successors, (110), 2 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 2 states have call successors, (110) Word has length 701 [2023-12-15 19:59:26,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:59:26,468 INFO L225 Difference]: With dead ends: 637 [2023-12-15 19:59:26,468 INFO L226 Difference]: Without dead ends: 318 [2023-12-15 19:59:26,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 700 GetRequests, 700 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 19:59:26,475 INFO L413 NwaCegarLoop]: 543 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 19:59:26,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 543 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 19:59:26,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2023-12-15 19:59:26,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2023-12-15 19:59:26,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 206 states have (on average 1.5825242718446602) internal successors, (326), 206 states have internal predecessors, (326), 110 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2023-12-15 19:59:26,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 546 transitions. [2023-12-15 19:59:26,546 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 546 transitions. Word has length 701 [2023-12-15 19:59:26,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:59:26,547 INFO L495 AbstractCegarLoop]: Abstraction has 318 states and 546 transitions. [2023-12-15 19:59:26,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 78.0) internal successors, (156), 2 states have internal predecessors, (156), 2 states have call successors, (110), 2 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 2 states have call successors, (110) [2023-12-15 19:59:26,547 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 546 transitions. [2023-12-15 19:59:26,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 703 [2023-12-15 19:59:26,567 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:59:26,568 INFO L195 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:59:26,591 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-15 19:59:26,775 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 19:59:26,776 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:59:26,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:59:26,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1521754428, now seen corresponding path program 1 times [2023-12-15 19:59:26,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:59:26,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737648297] [2023-12-15 19:59:26,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:26,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:59:26,908 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:59:26,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1574870352] [2023-12-15 19:59:26,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:26,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:59:26,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:59:26,922 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 19:59:26,922 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 19:59:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:59:27,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 1612 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 19:59:27,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:59:27,343 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2023-12-15 19:59:27,344 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:59:27,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:59:27,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737648297] [2023-12-15 19:59:27,344 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:59:27,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574870352] [2023-12-15 19:59:27,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574870352] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:59:27,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:59:27,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:59:27,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986878135] [2023-12-15 19:59:27,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:59:27,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:59:27,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:59:27,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:59:27,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:59:27,350 INFO L87 Difference]: Start difference. First operand 318 states and 546 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2023-12-15 19:59:27,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:59:27,434 INFO L93 Difference]: Finished difference Result 798 states and 1375 transitions. [2023-12-15 19:59:27,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:59:27,435 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 702 [2023-12-15 19:59:27,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:59:27,441 INFO L225 Difference]: With dead ends: 798 [2023-12-15 19:59:27,441 INFO L226 Difference]: Without dead ends: 481 [2023-12-15 19:59:27,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 701 GetRequests, 700 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 19:59:27,444 INFO L413 NwaCegarLoop]: 688 mSDtfsCounter, 270 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 1210 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 19:59:27,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 1210 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 19:59:27,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2023-12-15 19:59:27,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 478. [2023-12-15 19:59:27,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 332 states have (on average 1.6295180722891567) internal successors, (541), 333 states have internal predecessors, (541), 143 states have call successors, (143), 2 states have call predecessors, (143), 2 states have return successors, (143), 142 states have call predecessors, (143), 143 states have call successors, (143) [2023-12-15 19:59:27,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 827 transitions. [2023-12-15 19:59:27,502 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 827 transitions. Word has length 702 [2023-12-15 19:59:27,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:59:27,504 INFO L495 AbstractCegarLoop]: Abstraction has 478 states and 827 transitions. [2023-12-15 19:59:27,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2023-12-15 19:59:27,504 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 827 transitions. [2023-12-15 19:59:27,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 703 [2023-12-15 19:59:27,511 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:59:27,511 INFO L195 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:59:27,535 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 19:59:27,740 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 19:59:27,741 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:59:27,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:59:27,741 INFO L85 PathProgramCache]: Analyzing trace with hash -2014380602, now seen corresponding path program 1 times [2023-12-15 19:59:27,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:59:27,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608676636] [2023-12-15 19:59:27,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:27,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:59:27,839 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:59:27,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2017274698] [2023-12-15 19:59:27,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:27,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:59:27,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:59:27,858 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 19:59:27,863 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 19:59:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:59:28,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 1610 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 19:59:28,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:59:28,222 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2023-12-15 19:59:28,222 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:59:28,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:59:28,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608676636] [2023-12-15 19:59:28,223 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:59:28,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017274698] [2023-12-15 19:59:28,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017274698] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:59:28,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:59:28,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 19:59:28,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648017998] [2023-12-15 19:59:28,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:59:28,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 19:59:28,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:59:28,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 19:59:28,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 19:59:28,225 INFO L87 Difference]: Start difference. First operand 478 states and 827 transitions. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2023-12-15 19:59:28,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:59:28,321 INFO L93 Difference]: Finished difference Result 1440 states and 2493 transitions. [2023-12-15 19:59:28,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 19:59:28,322 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 702 [2023-12-15 19:59:28,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:59:28,327 INFO L225 Difference]: With dead ends: 1440 [2023-12-15 19:59:28,327 INFO L226 Difference]: Without dead ends: 963 [2023-12-15 19:59:28,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 702 GetRequests, 699 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 19:59:28,329 INFO L413 NwaCegarLoop]: 986 mSDtfsCounter, 526 mSDsluCounter, 1496 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 2482 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 19:59:28,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 2482 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 19:59:28,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2023-12-15 19:59:28,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 611. [2023-12-15 19:59:28,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 465 states have (on average 1.6817204301075268) internal successors, (782), 466 states have internal predecessors, (782), 143 states have call successors, (143), 2 states have call predecessors, (143), 2 states have return successors, (143), 142 states have call predecessors, (143), 143 states have call successors, (143) [2023-12-15 19:59:28,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 1068 transitions. [2023-12-15 19:59:28,402 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 1068 transitions. Word has length 702 [2023-12-15 19:59:28,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:59:28,403 INFO L495 AbstractCegarLoop]: Abstraction has 611 states and 1068 transitions. [2023-12-15 19:59:28,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2023-12-15 19:59:28,404 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 1068 transitions. [2023-12-15 19:59:28,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 703 [2023-12-15 19:59:28,409 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:59:28,410 INFO L195 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:59:28,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-15 19:59:28,615 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 19:59:28,616 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:59:28,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:59:28,616 INFO L85 PathProgramCache]: Analyzing trace with hash -137897784, now seen corresponding path program 1 times [2023-12-15 19:59:28,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:59:28,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262650132] [2023-12-15 19:59:28,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:28,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:59:28,676 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:59:28,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [453855366] [2023-12-15 19:59:28,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:28,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:59:28,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:59:28,678 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 19:59:28,720 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 19:59:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:59:29,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 1610 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-15 19:59:29,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:59:29,119 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2023-12-15 19:59:29,119 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:59:29,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:59:29,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262650132] [2023-12-15 19:59:29,119 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:59:29,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453855366] [2023-12-15 19:59:29,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453855366] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:59:29,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:59:29,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 19:59:29,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109558107] [2023-12-15 19:59:29,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:59:29,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 19:59:29,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:59:29,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 19:59:29,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 19:59:29,122 INFO L87 Difference]: Start difference. First operand 611 states and 1068 transitions. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2023-12-15 19:59:29,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:59:29,445 INFO L93 Difference]: Finished difference Result 1716 states and 2979 transitions. [2023-12-15 19:59:29,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 19:59:29,445 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 702 [2023-12-15 19:59:29,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:59:29,450 INFO L225 Difference]: With dead ends: 1716 [2023-12-15 19:59:29,450 INFO L226 Difference]: Without dead ends: 1106 [2023-12-15 19:59:29,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 703 GetRequests, 700 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 19:59:29,452 INFO L413 NwaCegarLoop]: 828 mSDtfsCounter, 809 mSDsluCounter, 1254 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 2082 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 19:59:29,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 2082 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 19:59:29,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2023-12-15 19:59:29,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 985. [2023-12-15 19:59:29,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 985 states, 756 states have (on average 1.6812169312169312) internal successors, (1271), 760 states have internal predecessors, (1271), 222 states have call successors, (222), 6 states have call predecessors, (222), 6 states have return successors, (222), 218 states have call predecessors, (222), 222 states have call successors, (222) [2023-12-15 19:59:29,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 985 states and 1715 transitions. [2023-12-15 19:59:29,493 INFO L78 Accepts]: Start accepts. Automaton has 985 states and 1715 transitions. Word has length 702 [2023-12-15 19:59:29,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:59:29,493 INFO L495 AbstractCegarLoop]: Abstraction has 985 states and 1715 transitions. [2023-12-15 19:59:29,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2023-12-15 19:59:29,494 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1715 transitions. [2023-12-15 19:59:29,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 704 [2023-12-15 19:59:29,499 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:59:29,499 INFO L195 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:59:29,510 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 19:59:29,707 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 19:59:29,707 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:59:29,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:59:29,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1766819709, now seen corresponding path program 1 times [2023-12-15 19:59:29,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:59:29,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874671163] [2023-12-15 19:59:29,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:29,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:59:29,753 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:59:29,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1610720884] [2023-12-15 19:59:29,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:29,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:59:29,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:59:29,755 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 19:59:29,782 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 19:59:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:59:30,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 1612 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 19:59:30,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:59:30,185 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2023-12-15 19:59:30,185 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:59:30,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:59:30,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874671163] [2023-12-15 19:59:30,186 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:59:30,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610720884] [2023-12-15 19:59:30,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610720884] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:59:30,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:59:30,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:59:30,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040896061] [2023-12-15 19:59:30,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:59:30,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:59:30,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:59:30,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:59:30,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:59:30,198 INFO L87 Difference]: Start difference. First operand 985 states and 1715 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2023-12-15 19:59:30,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:59:30,301 INFO L93 Difference]: Finished difference Result 2636 states and 4562 transitions. [2023-12-15 19:59:30,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:59:30,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 703 [2023-12-15 19:59:30,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:59:30,310 INFO L225 Difference]: With dead ends: 2636 [2023-12-15 19:59:30,310 INFO L226 Difference]: Without dead ends: 1652 [2023-12-15 19:59:30,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 702 GetRequests, 701 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 19:59:30,314 INFO L413 NwaCegarLoop]: 770 mSDtfsCounter, 322 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 1301 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 19:59:30,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 1301 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 19:59:30,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1652 states. [2023-12-15 19:59:30,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1652 to 1649. [2023-12-15 19:59:30,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1649 states, 1214 states have (on average 1.6408566721581548) internal successors, (1992), 1223 states have internal predecessors, (1992), 422 states have call successors, (422), 12 states have call predecessors, (422), 12 states have return successors, (422), 413 states have call predecessors, (422), 422 states have call successors, (422) [2023-12-15 19:59:30,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2836 transitions. [2023-12-15 19:59:30,387 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2836 transitions. Word has length 703 [2023-12-15 19:59:30,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:59:30,388 INFO L495 AbstractCegarLoop]: Abstraction has 1649 states and 2836 transitions. [2023-12-15 19:59:30,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2023-12-15 19:59:30,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2836 transitions. [2023-12-15 19:59:30,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 704 [2023-12-15 19:59:30,393 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:59:30,394 INFO L195 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:59:30,416 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 19:59:30,601 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 19:59:30,601 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:59:30,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:59:30,602 INFO L85 PathProgramCache]: Analyzing trace with hash -227324997, now seen corresponding path program 1 times [2023-12-15 19:59:30,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:59:30,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964828513] [2023-12-15 19:59:30,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:30,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:59:30,650 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:59:30,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [533692787] [2023-12-15 19:59:30,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:30,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:59:30,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:59:30,652 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 19:59:30,696 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 19:59:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:59:31,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 1613 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 19:59:31,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:59:31,082 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2023-12-15 19:59:31,082 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:59:31,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:59:31,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964828513] [2023-12-15 19:59:31,083 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:59:31,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533692787] [2023-12-15 19:59:31,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533692787] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:59:31,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:59:31,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:59:31,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969929200] [2023-12-15 19:59:31,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:59:31,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:59:31,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:59:31,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:59:31,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:59:31,085 INFO L87 Difference]: Start difference. First operand 1649 states and 2836 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2023-12-15 19:59:31,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:59:31,186 INFO L93 Difference]: Finished difference Result 4476 states and 7673 transitions. [2023-12-15 19:59:31,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:59:31,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 703 [2023-12-15 19:59:31,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:59:31,198 INFO L225 Difference]: With dead ends: 4476 [2023-12-15 19:59:31,198 INFO L226 Difference]: Without dead ends: 2828 [2023-12-15 19:59:31,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 702 GetRequests, 701 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 19:59:31,203 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 218 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 1174 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 19:59:31,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 1174 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 19:59:31,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states. [2023-12-15 19:59:31,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2828 to 2824. [2023-12-15 19:59:31,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2824 states, 2077 states have (on average 1.6254212806933077) internal successors, (3376), 2096 states have internal predecessors, (3376), 722 states have call successors, (722), 24 states have call predecessors, (722), 24 states have return successors, (722), 703 states have call predecessors, (722), 722 states have call successors, (722) [2023-12-15 19:59:31,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 2824 states and 4820 transitions. [2023-12-15 19:59:31,360 INFO L78 Accepts]: Start accepts. Automaton has 2824 states and 4820 transitions. Word has length 703 [2023-12-15 19:59:31,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:59:31,361 INFO L495 AbstractCegarLoop]: Abstraction has 2824 states and 4820 transitions. [2023-12-15 19:59:31,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2023-12-15 19:59:31,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2824 states and 4820 transitions. [2023-12-15 19:59:31,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 704 [2023-12-15 19:59:31,369 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:59:31,370 INFO L195 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:59:31,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-15 19:59:31,577 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 19:59:31,578 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:59:31,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:59:31,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1618042169, now seen corresponding path program 1 times [2023-12-15 19:59:31,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:59:31,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467653118] [2023-12-15 19:59:31,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:31,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:59:31,632 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:59:31,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1366652851] [2023-12-15 19:59:31,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:31,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:59:31,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:59:31,634 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 19:59:31,668 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 19:59:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:59:32,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 1614 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-15 19:59:32,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:59:32,224 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 7677 proven. 63 refuted. 0 times theorem prover too weak. 16240 trivial. 0 not checked. [2023-12-15 19:59:32,224 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 19:59:32,516 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 264 proven. 63 refuted. 0 times theorem prover too weak. 23653 trivial. 0 not checked. [2023-12-15 19:59:32,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:59:32,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467653118] [2023-12-15 19:59:32,516 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:59:32,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366652851] [2023-12-15 19:59:32,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366652851] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 19:59:32,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 19:59:32,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-15 19:59:32,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022066324] [2023-12-15 19:59:32,517 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 19:59:32,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 19:59:32,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:59:32,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 19:59:32,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-15 19:59:32,519 INFO L87 Difference]: Start difference. First operand 2824 states and 4820 transitions. Second operand has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 7 states have internal predecessors, (165), 2 states have call successors, (131), 2 states have call predecessors, (131), 4 states have return successors, (132), 2 states have call predecessors, (132), 2 states have call successors, (132) [2023-12-15 19:59:33,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:59:33,076 INFO L93 Difference]: Finished difference Result 4431 states and 7568 transitions. [2023-12-15 19:59:33,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-15 19:59:33,077 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 7 states have internal predecessors, (165), 2 states have call successors, (131), 2 states have call predecessors, (131), 4 states have return successors, (132), 2 states have call predecessors, (132), 2 states have call successors, (132) Word has length 703 [2023-12-15 19:59:33,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:59:33,085 INFO L225 Difference]: With dead ends: 4431 [2023-12-15 19:59:33,089 INFO L226 Difference]: Without dead ends: 1608 [2023-12-15 19:59:33,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1408 GetRequests, 1398 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-15 19:59:33,096 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 886 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 373 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 974 SdHoareTripleChecker+Valid, 1044 SdHoareTripleChecker+Invalid, 940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 373 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 19:59:33,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [974 Valid, 1044 Invalid, 940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [373 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 19:59:33,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2023-12-15 19:59:33,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1584. [2023-12-15 19:59:33,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1584 states, 1198 states have (on average 1.6327212020033388) internal successors, (1956), 1207 states have internal predecessors, (1956), 372 states have call successors, (372), 13 states have call predecessors, (372), 13 states have return successors, (372), 363 states have call predecessors, (372), 372 states have call successors, (372) [2023-12-15 19:59:33,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1584 states and 2700 transitions. [2023-12-15 19:59:33,169 INFO L78 Accepts]: Start accepts. Automaton has 1584 states and 2700 transitions. Word has length 703 [2023-12-15 19:59:33,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:59:33,170 INFO L495 AbstractCegarLoop]: Abstraction has 1584 states and 2700 transitions. [2023-12-15 19:59:33,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 7 states have internal predecessors, (165), 2 states have call successors, (131), 2 states have call predecessors, (131), 4 states have return successors, (132), 2 states have call predecessors, (132), 2 states have call successors, (132) [2023-12-15 19:59:33,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 2700 transitions. [2023-12-15 19:59:33,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 706 [2023-12-15 19:59:33,175 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:59:33,175 INFO L195 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:59:33,200 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 19:59:33,405 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 19:59:33,406 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:59:33,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:59:33,406 INFO L85 PathProgramCache]: Analyzing trace with hash -24090010, now seen corresponding path program 1 times [2023-12-15 19:59:33,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:59:33,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760297689] [2023-12-15 19:59:33,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:33,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:59:33,449 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:59:33,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [207900370] [2023-12-15 19:59:33,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:33,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:59:33,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:59:33,451 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 19:59:33,454 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 19:59:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:59:33,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 1613 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-15 19:59:33,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:59:33,913 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2023-12-15 19:59:33,914 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:59:33,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:59:33,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760297689] [2023-12-15 19:59:33,914 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:59:33,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207900370] [2023-12-15 19:59:33,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207900370] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:59:33,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:59:33,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-15 19:59:33,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884171622] [2023-12-15 19:59:33,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:59:33,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 19:59:33,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:59:33,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 19:59:33,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-15 19:59:33,916 INFO L87 Difference]: Start difference. First operand 1584 states and 2700 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2023-12-15 19:59:34,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:59:34,302 INFO L93 Difference]: Finished difference Result 7660 states and 13051 transitions. [2023-12-15 19:59:34,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 19:59:34,303 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 705 [2023-12-15 19:59:34,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:59:34,323 INFO L225 Difference]: With dead ends: 7660 [2023-12-15 19:59:34,324 INFO L226 Difference]: Without dead ends: 6077 [2023-12-15 19:59:34,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 707 GetRequests, 702 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-15 19:59:34,329 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 1310 mSDsluCounter, 1900 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1310 SdHoareTripleChecker+Valid, 2468 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 19:59:34,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1310 Valid, 2468 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 19:59:34,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6077 states. [2023-12-15 19:59:34,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6077 to 6059. [2023-12-15 19:59:34,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6059 states, 4630 states have (on average 1.6190064794816414) internal successors, (7496), 4668 states have internal predecessors, (7496), 1378 states have call successors, (1378), 50 states have call predecessors, (1378), 50 states have return successors, (1378), 1340 states have call predecessors, (1378), 1378 states have call successors, (1378) [2023-12-15 19:59:34,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6059 states to 6059 states and 10252 transitions. [2023-12-15 19:59:34,646 INFO L78 Accepts]: Start accepts. Automaton has 6059 states and 10252 transitions. Word has length 705 [2023-12-15 19:59:34,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:59:34,647 INFO L495 AbstractCegarLoop]: Abstraction has 6059 states and 10252 transitions. [2023-12-15 19:59:34,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2023-12-15 19:59:34,648 INFO L276 IsEmpty]: Start isEmpty. Operand 6059 states and 10252 transitions. [2023-12-15 19:59:34,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 706 [2023-12-15 19:59:34,658 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:59:34,658 INFO L195 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:59:34,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-15 19:59:34,865 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 19:59:34,866 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:59:34,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:59:34,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1053449308, now seen corresponding path program 1 times [2023-12-15 19:59:34,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:59:34,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163917871] [2023-12-15 19:59:34,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:34,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:59:34,911 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:59:34,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [678370491] [2023-12-15 19:59:34,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:34,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:59:34,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:59:34,912 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 19:59:34,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-15 19:59:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:59:35,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 1610 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-15 19:59:35,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:59:35,933 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 11811 proven. 114 refuted. 0 times theorem prover too weak. 12055 trivial. 0 not checked. [2023-12-15 19:59:35,933 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 19:59:36,294 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 213 proven. 114 refuted. 0 times theorem prover too weak. 23653 trivial. 0 not checked. [2023-12-15 19:59:36,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:59:36,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163917871] [2023-12-15 19:59:36,295 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:59:36,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678370491] [2023-12-15 19:59:36,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678370491] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 19:59:36,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 19:59:36,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-12-15 19:59:36,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489535628] [2023-12-15 19:59:36,296 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 19:59:36,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-15 19:59:36,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:59:36,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-15 19:59:36,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-12-15 19:59:36,298 INFO L87 Difference]: Start difference. First operand 6059 states and 10252 transitions. Second operand has 10 states, 10 states have (on average 25.2) internal successors, (252), 10 states have internal predecessors, (252), 5 states have call successors, (148), 3 states have call predecessors, (148), 5 states have return successors, (149), 5 states have call predecessors, (149), 5 states have call successors, (149) [2023-12-15 19:59:37,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:59:37,142 INFO L93 Difference]: Finished difference Result 12229 states and 20611 transitions. [2023-12-15 19:59:37,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-15 19:59:37,143 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 25.2) internal successors, (252), 10 states have internal predecessors, (252), 5 states have call successors, (148), 3 states have call predecessors, (148), 5 states have return successors, (149), 5 states have call predecessors, (149), 5 states have call successors, (149) Word has length 705 [2023-12-15 19:59:37,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:59:37,166 INFO L225 Difference]: With dead ends: 12229 [2023-12-15 19:59:37,166 INFO L226 Difference]: Without dead ends: 6171 [2023-12-15 19:59:37,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1414 GetRequests, 1400 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=152, Unknown=0, NotChecked=0, Total=240 [2023-12-15 19:59:37,179 INFO L413 NwaCegarLoop]: 407 mSDtfsCounter, 1021 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 446 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1092 SdHoareTripleChecker+Valid, 1006 SdHoareTripleChecker+Invalid, 1074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 446 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 19:59:37,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1092 Valid, 1006 Invalid, 1074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [446 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 19:59:37,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6171 states. [2023-12-15 19:59:37,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6171 to 6075. [2023-12-15 19:59:37,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6075 states, 4642 states have (on average 1.6087893149504524) internal successors, (7468), 4680 states have internal predecessors, (7468), 1378 states have call successors, (1378), 54 states have call predecessors, (1378), 54 states have return successors, (1378), 1340 states have call predecessors, (1378), 1378 states have call successors, (1378) [2023-12-15 19:59:37,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6075 states to 6075 states and 10224 transitions. [2023-12-15 19:59:37,548 INFO L78 Accepts]: Start accepts. Automaton has 6075 states and 10224 transitions. Word has length 705 [2023-12-15 19:59:37,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:59:37,548 INFO L495 AbstractCegarLoop]: Abstraction has 6075 states and 10224 transitions. [2023-12-15 19:59:37,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 25.2) internal successors, (252), 10 states have internal predecessors, (252), 5 states have call successors, (148), 3 states have call predecessors, (148), 5 states have return successors, (149), 5 states have call predecessors, (149), 5 states have call successors, (149) [2023-12-15 19:59:37,550 INFO L276 IsEmpty]: Start isEmpty. Operand 6075 states and 10224 transitions. [2023-12-15 19:59:37,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 706 [2023-12-15 19:59:37,559 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:59:37,559 INFO L195 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:59:37,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-15 19:59:37,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:59:37,767 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:59:37,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:59:37,768 INFO L85 PathProgramCache]: Analyzing trace with hash -351849434, now seen corresponding path program 1 times [2023-12-15 19:59:37,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:59:37,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150522143] [2023-12-15 19:59:37,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:37,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:59:37,833 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:59:37,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1817977786] [2023-12-15 19:59:37,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:37,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:59:37,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:59:37,834 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 19:59:37,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-15 19:59:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:59:38,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 1608 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-15 19:59:38,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:59:38,734 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 11343 proven. 204 refuted. 0 times theorem prover too weak. 12433 trivial. 0 not checked. [2023-12-15 19:59:38,734 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 19:59:39,125 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 123 proven. 204 refuted. 0 times theorem prover too weak. 23653 trivial. 0 not checked. [2023-12-15 19:59:39,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:59:39,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150522143] [2023-12-15 19:59:39,126 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:59:39,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817977786] [2023-12-15 19:59:39,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817977786] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 19:59:39,126 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 19:59:39,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-15 19:59:39,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861697509] [2023-12-15 19:59:39,127 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 19:59:39,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 19:59:39,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:59:39,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 19:59:39,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-15 19:59:39,129 INFO L87 Difference]: Start difference. First operand 6075 states and 10224 transitions. Second operand has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 7 states have internal predecessors, (167), 2 states have call successors, (178), 2 states have call predecessors, (178), 4 states have return successors, (179), 2 states have call predecessors, (179), 2 states have call successors, (179) [2023-12-15 19:59:39,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:59:39,856 INFO L93 Difference]: Finished difference Result 12269 states and 20563 transitions. [2023-12-15 19:59:39,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 19:59:39,857 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 7 states have internal predecessors, (167), 2 states have call successors, (178), 2 states have call predecessors, (178), 4 states have return successors, (179), 2 states have call predecessors, (179), 2 states have call successors, (179) Word has length 705 [2023-12-15 19:59:39,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:59:39,889 INFO L225 Difference]: With dead ends: 12269 [2023-12-15 19:59:39,889 INFO L226 Difference]: Without dead ends: 6195 [2023-12-15 19:59:39,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1412 GetRequests, 1402 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-15 19:59:39,936 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 751 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-15 19:59:39,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [791 Valid, 1035 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-15 19:59:39,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6195 states. [2023-12-15 19:59:40,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6195 to 6091. [2023-12-15 19:59:40,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6091 states, 4654 states have (on average 1.5943274602492479) internal successors, (7420), 4692 states have internal predecessors, (7420), 1378 states have call successors, (1378), 58 states have call predecessors, (1378), 58 states have return successors, (1378), 1340 states have call predecessors, (1378), 1378 states have call successors, (1378) [2023-12-15 19:59:40,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6091 states to 6091 states and 10176 transitions. [2023-12-15 19:59:40,231 INFO L78 Accepts]: Start accepts. Automaton has 6091 states and 10176 transitions. Word has length 705 [2023-12-15 19:59:40,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:59:40,232 INFO L495 AbstractCegarLoop]: Abstraction has 6091 states and 10176 transitions. [2023-12-15 19:59:40,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 7 states have internal predecessors, (167), 2 states have call successors, (178), 2 states have call predecessors, (178), 4 states have return successors, (179), 2 states have call predecessors, (179), 2 states have call successors, (179) [2023-12-15 19:59:40,232 INFO L276 IsEmpty]: Start isEmpty. Operand 6091 states and 10176 transitions. [2023-12-15 19:59:40,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 706 [2023-12-15 19:59:40,241 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:59:40,241 INFO L195 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:59:40,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-12-15 19:59:40,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-15 19:59:40,449 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:59:40,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:59:40,449 INFO L85 PathProgramCache]: Analyzing trace with hash -367368152, now seen corresponding path program 1 times [2023-12-15 19:59:40,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:59:40,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240259780] [2023-12-15 19:59:40,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:40,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:59:40,495 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:59:40,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1951561285] [2023-12-15 19:59:40,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:40,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:59:40,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:59:40,496 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 19:59:40,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-15 19:59:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:59:40,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-15 19:59:40,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:59:41,405 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 11107 proven. 210 refuted. 0 times theorem prover too weak. 12663 trivial. 0 not checked. [2023-12-15 19:59:41,406 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 19:59:41,797 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 117 proven. 210 refuted. 0 times theorem prover too weak. 23653 trivial. 0 not checked. [2023-12-15 19:59:41,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:59:41,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240259780] [2023-12-15 19:59:41,797 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:59:41,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951561285] [2023-12-15 19:59:41,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951561285] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 19:59:41,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 19:59:41,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-15 19:59:41,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317153292] [2023-12-15 19:59:41,798 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 19:59:41,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 19:59:41,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:59:41,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 19:59:41,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-15 19:59:41,800 INFO L87 Difference]: Start difference. First operand 6091 states and 10176 transitions. Second operand has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 7 states have internal predecessors, (167), 2 states have call successors, (180), 2 states have call predecessors, (180), 4 states have return successors, (181), 2 states have call predecessors, (181), 2 states have call successors, (181) [2023-12-15 19:59:42,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:59:42,379 INFO L93 Difference]: Finished difference Result 9891 states and 16529 transitions. [2023-12-15 19:59:42,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 19:59:42,380 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 7 states have internal predecessors, (167), 2 states have call successors, (180), 2 states have call predecessors, (180), 4 states have return successors, (181), 2 states have call predecessors, (181), 2 states have call successors, (181) Word has length 705 [2023-12-15 19:59:42,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:59:42,390 INFO L225 Difference]: With dead ends: 9891 [2023-12-15 19:59:42,390 INFO L226 Difference]: Without dead ends: 3801 [2023-12-15 19:59:42,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1412 GetRequests, 1402 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-15 19:59:42,403 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 503 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-15 19:59:42,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 1026 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-15 19:59:42,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3801 states. [2023-12-15 19:59:42,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3801 to 3737. [2023-12-15 19:59:42,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3737 states, 2920 states have (on average 1.6006849315068492) internal successors, (4674), 2938 states have internal predecessors, (4674), 778 states have call successors, (778), 38 states have call predecessors, (778), 38 states have return successors, (778), 760 states have call predecessors, (778), 778 states have call successors, (778) [2023-12-15 19:59:42,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3737 states to 3737 states and 6230 transitions. [2023-12-15 19:59:42,631 INFO L78 Accepts]: Start accepts. Automaton has 3737 states and 6230 transitions. Word has length 705 [2023-12-15 19:59:42,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:59:42,632 INFO L495 AbstractCegarLoop]: Abstraction has 3737 states and 6230 transitions. [2023-12-15 19:59:42,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 7 states have internal predecessors, (167), 2 states have call successors, (180), 2 states have call predecessors, (180), 4 states have return successors, (181), 2 states have call predecessors, (181), 2 states have call successors, (181) [2023-12-15 19:59:42,632 INFO L276 IsEmpty]: Start isEmpty. Operand 3737 states and 6230 transitions. [2023-12-15 19:59:42,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 706 [2023-12-15 19:59:42,639 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:59:42,639 INFO L195 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:59:42,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-15 19:59:42,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-12-15 19:59:42,847 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:59:42,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:59:42,848 INFO L85 PathProgramCache]: Analyzing trace with hash -296809812, now seen corresponding path program 1 times [2023-12-15 19:59:42,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:59:42,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027435742] [2023-12-15 19:59:42,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:42,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:59:42,900 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:59:42,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1671561088] [2023-12-15 19:59:42,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:42,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:59:42,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:59:42,917 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 19:59:42,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-15 19:59:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:59:43,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 1605 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-15 19:59:43,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:59:43,635 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2023-12-15 19:59:43,635 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:59:43,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:59:43,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027435742] [2023-12-15 19:59:43,635 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:59:43,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671561088] [2023-12-15 19:59:43,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671561088] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:59:43,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:59:43,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 19:59:43,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5391467] [2023-12-15 19:59:43,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:59:43,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 19:59:43,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:59:43,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 19:59:43,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-12-15 19:59:43,637 INFO L87 Difference]: Start difference. First operand 3737 states and 6230 transitions. Second operand has 7 states, 7 states have (on average 22.571428571428573) internal successors, (158), 7 states have internal predecessors, (158), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2023-12-15 19:59:45,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:59:45,467 INFO L93 Difference]: Finished difference Result 22199 states and 37068 transitions. [2023-12-15 19:59:45,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 19:59:45,467 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.571428571428573) internal successors, (158), 7 states have internal predecessors, (158), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 705 [2023-12-15 19:59:45,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:59:45,512 INFO L225 Difference]: With dead ends: 22199 [2023-12-15 19:59:45,512 INFO L226 Difference]: Without dead ends: 17805 [2023-12-15 19:59:45,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 714 GetRequests, 704 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-12-15 19:59:45,522 INFO L413 NwaCegarLoop]: 1062 mSDtfsCounter, 1641 mSDsluCounter, 2595 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 389 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1641 SdHoareTripleChecker+Valid, 3657 SdHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 389 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 19:59:45,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1641 Valid, 3657 Invalid, 1175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [389 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 19:59:45,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17805 states. [2023-12-15 19:59:46,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17805 to 10711. [2023-12-15 19:59:46,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10711 states, 8654 states have (on average 1.6267621908943841) internal successors, (14078), 8712 states have internal predecessors, (14078), 1970 states have call successors, (1970), 86 states have call predecessors, (1970), 86 states have return successors, (1970), 1912 states have call predecessors, (1970), 1970 states have call successors, (1970) [2023-12-15 19:59:46,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10711 states to 10711 states and 18018 transitions. [2023-12-15 19:59:46,172 INFO L78 Accepts]: Start accepts. Automaton has 10711 states and 18018 transitions. Word has length 705 [2023-12-15 19:59:46,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:59:46,173 INFO L495 AbstractCegarLoop]: Abstraction has 10711 states and 18018 transitions. [2023-12-15 19:59:46,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.571428571428573) internal successors, (158), 7 states have internal predecessors, (158), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2023-12-15 19:59:46,173 INFO L276 IsEmpty]: Start isEmpty. Operand 10711 states and 18018 transitions. [2023-12-15 19:59:46,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 706 [2023-12-15 19:59:46,186 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:59:46,186 INFO L195 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:59:46,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-12-15 19:59:46,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-12-15 19:59:46,390 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:59:46,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:59:46,391 INFO L85 PathProgramCache]: Analyzing trace with hash 280598062, now seen corresponding path program 1 times [2023-12-15 19:59:46,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:59:46,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519354434] [2023-12-15 19:59:46,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:46,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:59:46,436 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:59:46,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [80474225] [2023-12-15 19:59:46,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:46,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:59:46,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:59:46,458 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 19:59:46,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-15 19:59:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:59:46,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 1608 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-15 19:59:46,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:59:47,205 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 12099 proven. 162 refuted. 0 times theorem prover too weak. 11719 trivial. 0 not checked. [2023-12-15 19:59:47,206 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 19:59:47,503 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 165 proven. 162 refuted. 0 times theorem prover too weak. 23653 trivial. 0 not checked. [2023-12-15 19:59:47,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:59:47,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519354434] [2023-12-15 19:59:47,504 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:59:47,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80474225] [2023-12-15 19:59:47,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80474225] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 19:59:47,504 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 19:59:47,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-15 19:59:47,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659956555] [2023-12-15 19:59:47,504 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 19:59:47,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 19:59:47,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:59:47,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 19:59:47,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-15 19:59:47,506 INFO L87 Difference]: Start difference. First operand 10711 states and 18018 transitions. Second operand has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 7 states have internal predecessors, (167), 2 states have call successors, (164), 2 states have call predecessors, (164), 4 states have return successors, (165), 2 states have call predecessors, (165), 2 states have call successors, (165) [2023-12-15 19:59:48,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:59:48,209 INFO L93 Difference]: Finished difference Result 16561 states and 27955 transitions. [2023-12-15 19:59:48,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-15 19:59:48,210 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 7 states have internal predecessors, (167), 2 states have call successors, (164), 2 states have call predecessors, (164), 4 states have return successors, (165), 2 states have call predecessors, (165), 2 states have call successors, (165) Word has length 705 [2023-12-15 19:59:48,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:59:48,227 INFO L225 Difference]: With dead ends: 16561 [2023-12-15 19:59:48,227 INFO L226 Difference]: Without dead ends: 5515 [2023-12-15 19:59:48,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1412 GetRequests, 1402 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-15 19:59:48,245 INFO L413 NwaCegarLoop]: 400 mSDtfsCounter, 571 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 978 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 19:59:48,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [626 Valid, 978 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 19:59:48,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5515 states. [2023-12-15 19:59:48,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5515 to 5185. [2023-12-15 19:59:48,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5185 states, 4406 states have (on average 1.6640944167044938) internal successors, (7332), 4424 states have internal predecessors, (7332), 740 states have call successors, (740), 38 states have call predecessors, (740), 38 states have return successors, (740), 722 states have call predecessors, (740), 740 states have call successors, (740) [2023-12-15 19:59:48,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5185 states to 5185 states and 8812 transitions. [2023-12-15 19:59:48,465 INFO L78 Accepts]: Start accepts. Automaton has 5185 states and 8812 transitions. Word has length 705 [2023-12-15 19:59:48,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:59:48,466 INFO L495 AbstractCegarLoop]: Abstraction has 5185 states and 8812 transitions. [2023-12-15 19:59:48,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 7 states have internal predecessors, (167), 2 states have call successors, (164), 2 states have call predecessors, (164), 4 states have return successors, (165), 2 states have call predecessors, (165), 2 states have call successors, (165) [2023-12-15 19:59:48,466 INFO L276 IsEmpty]: Start isEmpty. Operand 5185 states and 8812 transitions. [2023-12-15 19:59:48,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 706 [2023-12-15 19:59:48,474 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:59:48,474 INFO L195 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:59:48,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-12-15 19:59:48,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-12-15 19:59:48,683 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:59:48,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:59:48,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1579673006, now seen corresponding path program 1 times [2023-12-15 19:59:48,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:59:48,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389481961] [2023-12-15 19:59:48,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:48,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:59:48,728 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:59:48,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1745128428] [2023-12-15 19:59:48,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:48,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:59:48,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:59:48,746 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 19:59:48,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-15 19:59:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:59:49,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 1602 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-15 19:59:49,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:59:49,884 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2023-12-15 19:59:49,885 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:59:49,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:59:49,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389481961] [2023-12-15 19:59:49,895 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:59:49,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745128428] [2023-12-15 19:59:49,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745128428] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:59:49,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:59:49,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 19:59:49,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861386947] [2023-12-15 19:59:49,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:59:49,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:59:49,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:59:49,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:59:49,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:59:49,898 INFO L87 Difference]: Start difference. First operand 5185 states and 8812 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 2 states have internal predecessors, (158), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2023-12-15 19:59:50,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:59:50,364 INFO L93 Difference]: Finished difference Result 11801 states and 19993 transitions. [2023-12-15 19:59:50,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:59:50,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 2 states have internal predecessors, (158), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 705 [2023-12-15 19:59:50,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:59:50,383 INFO L225 Difference]: With dead ends: 11801 [2023-12-15 19:59:50,384 INFO L226 Difference]: Without dead ends: 6617 [2023-12-15 19:59:50,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 704 GetRequests, 703 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 19:59:50,391 INFO L413 NwaCegarLoop]: 729 mSDtfsCounter, 225 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 1247 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 19:59:50,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 1247 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 19:59:50,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6617 states. [2023-12-15 19:59:50,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6617 to 6609. [2023-12-15 19:59:50,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6609 states, 5537 states have (on average 1.645114683041358) internal successors, (9109), 5560 states have internal predecessors, (9109), 1018 states have call successors, (1018), 53 states have call predecessors, (1018), 53 states have return successors, (1018), 995 states have call predecessors, (1018), 1018 states have call successors, (1018) [2023-12-15 19:59:50,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6609 states to 6609 states and 11145 transitions. [2023-12-15 19:59:50,687 INFO L78 Accepts]: Start accepts. Automaton has 6609 states and 11145 transitions. Word has length 705 [2023-12-15 19:59:50,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:59:50,688 INFO L495 AbstractCegarLoop]: Abstraction has 6609 states and 11145 transitions. [2023-12-15 19:59:50,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 2 states have internal predecessors, (158), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2023-12-15 19:59:50,689 INFO L276 IsEmpty]: Start isEmpty. Operand 6609 states and 11145 transitions. [2023-12-15 19:59:50,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 706 [2023-12-15 19:59:50,697 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:59:50,698 INFO L195 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:59:50,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-12-15 19:59:50,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:59:50,909 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:59:50,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:59:50,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1325020214, now seen corresponding path program 1 times [2023-12-15 19:59:50,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:59:50,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024355912] [2023-12-15 19:59:50,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:50,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:59:50,954 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:59:50,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [862723093] [2023-12-15 19:59:50,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:50,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:59:50,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:59:50,955 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 19:59:50,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-12-15 19:59:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:59:51,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 1603 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-15 19:59:51,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:59:51,523 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2023-12-15 19:59:51,524 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:59:51,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:59:51,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024355912] [2023-12-15 19:59:51,524 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:59:51,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862723093] [2023-12-15 19:59:51,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862723093] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:59:51,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:59:51,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 19:59:51,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771952279] [2023-12-15 19:59:51,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:59:51,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 19:59:51,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:59:51,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 19:59:51,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-15 19:59:51,528 INFO L87 Difference]: Start difference. First operand 6609 states and 11145 transitions. Second operand has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2023-12-15 19:59:52,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:59:52,514 INFO L93 Difference]: Finished difference Result 17641 states and 29708 transitions. [2023-12-15 19:59:52,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-15 19:59:52,515 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 705 [2023-12-15 19:59:52,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:59:52,541 INFO L225 Difference]: With dead ends: 17641 [2023-12-15 19:59:52,541 INFO L226 Difference]: Without dead ends: 11033 [2023-12-15 19:59:52,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 714 GetRequests, 703 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2023-12-15 19:59:52,554 INFO L413 NwaCegarLoop]: 904 mSDtfsCounter, 1238 mSDsluCounter, 2760 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1238 SdHoareTripleChecker+Valid, 3664 SdHoareTripleChecker+Invalid, 942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 19:59:52,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1238 Valid, 3664 Invalid, 942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [236 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 19:59:52,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11033 states. [2023-12-15 19:59:52,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11033 to 7359. [2023-12-15 19:59:53,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7359 states, 6287 states have (on average 1.6626371878479402) internal successors, (10453), 6310 states have internal predecessors, (10453), 1018 states have call successors, (1018), 53 states have call predecessors, (1018), 53 states have return successors, (1018), 995 states have call predecessors, (1018), 1018 states have call successors, (1018) [2023-12-15 19:59:53,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7359 states to 7359 states and 12489 transitions. [2023-12-15 19:59:53,020 INFO L78 Accepts]: Start accepts. Automaton has 7359 states and 12489 transitions. Word has length 705 [2023-12-15 19:59:53,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:59:53,021 INFO L495 AbstractCegarLoop]: Abstraction has 7359 states and 12489 transitions. [2023-12-15 19:59:53,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2023-12-15 19:59:53,021 INFO L276 IsEmpty]: Start isEmpty. Operand 7359 states and 12489 transitions. [2023-12-15 19:59:53,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 706 [2023-12-15 19:59:53,032 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:59:53,032 INFO L195 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:59:53,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-12-15 19:59:53,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-12-15 19:59:53,233 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:59:53,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:59:53,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1912109004, now seen corresponding path program 1 times [2023-12-15 19:59:53,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:59:53,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430796329] [2023-12-15 19:59:53,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:53,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:59:53,278 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:59:53,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [331428871] [2023-12-15 19:59:53,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:53,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:59:53,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:59:53,279 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 19:59:53,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-12-15 19:59:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:59:53,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 1603 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-15 19:59:53,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:59:54,910 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 12027 proven. 150 refuted. 0 times theorem prover too weak. 11803 trivial. 0 not checked. [2023-12-15 19:59:54,910 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 19:59:55,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:59:55,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430796329] [2023-12-15 19:59:55,121 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:59:55,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331428871] [2023-12-15 19:59:55,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331428871] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 19:59:55,121 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-15 19:59:55,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2023-12-15 19:59:55,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699937952] [2023-12-15 19:59:55,122 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-15 19:59:55,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 19:59:55,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:59:55,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 19:59:55,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-12-15 19:59:55,124 INFO L87 Difference]: Start difference. First operand 7359 states and 12489 transitions. Second operand has 8 states, 8 states have (on average 20.5) internal successors, (164), 7 states have internal predecessors, (164), 2 states have call successors, (110), 2 states have call predecessors, (110), 3 states have return successors, (110), 2 states have call predecessors, (110), 2 states have call successors, (110) [2023-12-15 19:59:56,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:59:56,665 INFO L93 Difference]: Finished difference Result 24971 states and 42088 transitions. [2023-12-15 19:59:56,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 19:59:56,666 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.5) internal successors, (164), 7 states have internal predecessors, (164), 2 states have call successors, (110), 2 states have call predecessors, (110), 3 states have return successors, (110), 2 states have call predecessors, (110), 2 states have call successors, (110) Word has length 705 [2023-12-15 19:59:56,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:59:56,701 INFO L225 Difference]: With dead ends: 24971 [2023-12-15 19:59:56,701 INFO L226 Difference]: Without dead ends: 17613 [2023-12-15 19:59:56,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 803 GetRequests, 786 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2023-12-15 19:59:56,717 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 639 mSDsluCounter, 2363 mSDsCounter, 0 mSdLazyCounter, 1137 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 757 SdHoareTripleChecker+Valid, 2829 SdHoareTripleChecker+Invalid, 1286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 1137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-15 19:59:56,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [757 Valid, 2829 Invalid, 1286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1137 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-15 19:59:56,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17613 states. [2023-12-15 19:59:57,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17613 to 16905. [2023-12-15 19:59:57,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16905 states, 14274 states have (on average 1.6516043155387419) internal successors, (23575), 14331 states have internal predecessors, (23575), 2486 states have call successors, (2486), 144 states have call predecessors, (2486), 144 states have return successors, (2486), 2429 states have call predecessors, (2486), 2486 states have call successors, (2486) [2023-12-15 19:59:57,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16905 states to 16905 states and 28547 transitions. [2023-12-15 19:59:57,601 INFO L78 Accepts]: Start accepts. Automaton has 16905 states and 28547 transitions. Word has length 705 [2023-12-15 19:59:57,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:59:57,603 INFO L495 AbstractCegarLoop]: Abstraction has 16905 states and 28547 transitions. [2023-12-15 19:59:57,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.5) internal successors, (164), 7 states have internal predecessors, (164), 2 states have call successors, (110), 2 states have call predecessors, (110), 3 states have return successors, (110), 2 states have call predecessors, (110), 2 states have call successors, (110) [2023-12-15 19:59:57,603 INFO L276 IsEmpty]: Start isEmpty. Operand 16905 states and 28547 transitions. [2023-12-15 19:59:57,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 707 [2023-12-15 19:59:57,615 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:59:57,616 INFO L195 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:59:57,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-12-15 19:59:57,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-12-15 19:59:57,824 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:59:57,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:59:57,825 INFO L85 PathProgramCache]: Analyzing trace with hash 842239817, now seen corresponding path program 1 times [2023-12-15 19:59:57,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:59:57,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75393512] [2023-12-15 19:59:57,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:57,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:59:57,960 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:59:57,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1423214134] [2023-12-15 19:59:57,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:59:57,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:59:57,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:59:57,961 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 19:59:57,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-12-15 19:59:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:59:58,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 1605 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-15 19:59:58,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:00:00,798 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 13440 proven. 255 refuted. 0 times theorem prover too weak. 10285 trivial. 0 not checked. [2023-12-15 20:00:00,798 INFO L327 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2023-12-15 20:00:25,209 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-15 20:00:25,259 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 20:00:25,947 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (mod c_~var_1_66~0 256))) (let ((.cse163 (+ c_~var_1_65~0 1)) (.cse4 (+ |c_ULTIMATE.start_step_#t~nondet5#1| 1)) (.cse3 (mod c_~var_1_73~0 65536)) (.cse2 (* (- 1) .cse1))) (let ((.cse172 (forall ((v_z_11 Int)) (let ((.cse241 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< v_z_11 .cse1) (= (mod .cse241 .cse3) 0) (< (div .cse241 c_~var_1_65~0) .cse4) (< (div .cse241 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|))))) (.cse16 (< .cse3 .cse163)) (.cse118 (forall ((v_z_11 Int)) (let ((.cse240 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< v_z_11 .cse1) (= (mod .cse240 .cse3) 0) (< (div .cse240 c_~var_1_65~0) .cse4))))) (.cse19 (< c_~var_1_65~0 0)) (.cse67 (+ |c_ULTIMATE.start_step_#t~nondet5#1| 2))) (let ((.cse22 (forall ((v_z_11 Int)) (let ((.cse239 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (not (= (mod .cse239 .cse3) 0)) (< v_z_11 0) (< (div .cse239 c_~var_1_65~0) .cse4))))) (.cse30 (forall ((v_z_11 Int)) (let ((.cse237 (+ .cse2 v_z_11))) (let ((.cse238 (div .cse237 c_~var_1_65~0))) (or (< 8 v_z_11) (< .cse1 (+ v_z_11 1)) (< v_z_11 0) (= (mod .cse237 .cse3) 0) (< .cse238 .cse4) (= .cse4 .cse238)))))) (.cse23 (forall ((v_z_11 Int)) (let ((.cse236 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (not (= (mod .cse236 .cse3) 0)) (< v_z_11 0) (< (div .cse236 c_~var_1_65~0) .cse4) (< (div .cse236 .cse3) .cse4))))) (.cse56 (forall ((v_z_11 Int)) (let ((.cse235 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< v_z_11 .cse1) (not (= (mod .cse235 .cse3) 0)) (not (= (mod .cse235 c_~var_1_65~0) 0)) (< (div .cse235 c_~var_1_65~0) .cse4) (< (div .cse235 .cse3) .cse4))))) (.cse55 (forall ((v_z_11 Int)) (let ((.cse234 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< .cse1 (+ v_z_11 1)) (= (mod .cse234 c_~var_1_65~0) 0) (not (= (mod .cse234 .cse3) 0)) (< v_z_11 0) (< (div .cse234 c_~var_1_65~0) |c_ULTIMATE.start_step_#t~nondet5#1|) (< (div .cse234 .cse3) .cse4))))) (.cse12 (forall ((v_z_11 Int)) (let ((.cse233 (+ .cse2 v_z_11))) (let ((.cse232 (div .cse233 .cse3))) (or (< 8 v_z_11) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse232) (not (= (mod .cse233 c_~var_1_65~0) 0)) (< v_z_11 0) (< .cse232 |c_ULTIMATE.start_step_#t~nondet5#1|)))))) (.cse64 (forall ((v_z_11 Int)) (let ((.cse231 (+ .cse2 v_z_11))) (let ((.cse230 (div .cse231 .cse3))) (or (< 8 v_z_11) (< v_z_11 .cse1) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse230) (= (mod .cse231 .cse3) 0) (< .cse230 |c_ULTIMATE.start_step_#t~nondet5#1|)))))) (.cse40 (forall ((v_z_11 Int)) (let ((.cse229 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (not (= (mod .cse229 .cse3) 0)) (not (= (mod .cse229 c_~var_1_65~0) 0)) (< v_z_11 0) (< (div .cse229 c_~var_1_65~0) .cse4))))) (.cse69 (forall ((v_z_11 Int)) (let ((.cse228 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< .cse1 (+ v_z_11 1)) (= (mod .cse228 c_~var_1_65~0) 0) (< v_z_11 0) (< (div .cse228 c_~var_1_65~0) .cse67) (< (div .cse228 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|))))) (.cse73 (or .cse118 .cse19)) (.cse75 (forall ((v_z_11 Int)) (or (< 8 v_z_11) (< v_z_11 .cse1) (< (div (+ .cse2 v_z_11) c_~var_1_65~0) .cse4)))) (.cse33 (forall ((v_z_11 Int)) (let ((.cse226 (+ .cse2 v_z_11))) (let ((.cse227 (div .cse226 .cse3))) (or (< 8 v_z_11) (< .cse1 (+ v_z_11 1)) (= (mod .cse226 c_~var_1_65~0) 0) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse227) (< v_z_11 0) (< .cse227 |c_ULTIMATE.start_step_#t~nondet5#1|)))))) (.cse34 (forall ((v_z_11 Int)) (let ((.cse225 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< .cse1 (+ v_z_11 1)) (= (mod .cse225 c_~var_1_65~0) 0) (< v_z_11 0) (= (mod .cse225 .cse3) 0) (< (div .cse225 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|))))) (.cse101 (forall ((v_z_11 Int)) (let ((.cse223 (+ .cse2 v_z_11))) (let ((.cse224 (div .cse223 .cse3))) (or (< 8 v_z_11) (< v_z_11 .cse1) (not (= (mod .cse223 .cse3) 0)) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse224) (< (div .cse223 c_~var_1_65~0) .cse4) (< .cse224 |c_ULTIMATE.start_step_#t~nondet5#1|)))))) (.cse59 (forall ((v_z_11 Int)) (let ((.cse222 (div (+ .cse2 v_z_11) c_~var_1_65~0))) (or (< 8 v_z_11) (< v_z_11 0) (< .cse222 .cse4) (= .cse4 .cse222))))) (.cse61 (forall ((v_z_11 Int)) (let ((.cse220 (+ .cse2 v_z_11))) (let ((.cse221 (div .cse220 c_~var_1_65~0))) (or (< 8 v_z_11) (< v_z_11 0) (= (mod .cse220 .cse3) 0) (< .cse221 .cse4) (= .cse4 .cse221)))))) (.cse96 (forall ((v_z_11 Int)) (let ((.cse219 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< v_z_11 .cse1) (not (= (mod .cse219 .cse3) 0)) (< (div .cse219 c_~var_1_65~0) .cse4))))) (.cse17 (or .cse16 (forall ((v_z_11 Int)) (let ((.cse218 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< v_z_11 .cse1) (not (= (mod .cse218 c_~var_1_65~0) 0)) (= (mod .cse218 .cse3) 0) (< (div .cse218 c_~var_1_65~0) .cse4) (< (div .cse218 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|)))))) (.cse18 (forall ((v_z_11 Int)) (let ((.cse217 (+ .cse2 v_z_11))) (let ((.cse216 (div .cse217 .cse3))) (or (< 8 v_z_11) (< v_z_11 .cse1) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse216) (not (= (mod .cse217 c_~var_1_65~0) 0)) (= (mod .cse217 .cse3) 0) (< (div .cse217 c_~var_1_65~0) .cse4) (< .cse216 |c_ULTIMATE.start_step_#t~nondet5#1|)))))) (.cse70 (forall ((v_z_11 Int)) (let ((.cse214 (+ .cse2 v_z_11))) (let ((.cse215 (div .cse214 .cse3))) (or (< 8 v_z_11) (not (= (mod .cse214 .cse3) 0)) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse215) (not (= (mod .cse214 c_~var_1_65~0) 0)) (< v_z_11 0) (< (div .cse214 c_~var_1_65~0) .cse4) (< .cse215 |c_ULTIMATE.start_step_#t~nondet5#1|)))))) (.cse35 (forall ((v_z_11 Int)) (let ((.cse212 (+ .cse2 v_z_11))) (let ((.cse213 (div .cse212 c_~var_1_65~0))) (or (< 8 v_z_11) (< .cse1 (+ v_z_11 1)) (not (= (mod .cse212 c_~var_1_65~0) 0)) (< v_z_11 0) (= (mod .cse212 .cse3) 0) (< .cse213 .cse4) (= .cse4 .cse213)))))) (.cse93 (or .cse172 .cse19)) (.cse8 (forall ((v_z_11 Int)) (let ((.cse211 (+ .cse2 v_z_11))) (let ((.cse210 (div .cse211 c_~var_1_65~0))) (or (< 8 v_z_11) (< v_z_11 .cse1) (< .cse210 .cse4) (= .cse4 .cse210) (< (div .cse211 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|)))))) (.cse98 (forall ((v_z_11 Int)) (let ((.cse208 (+ .cse2 v_z_11))) (let ((.cse209 (div .cse208 .cse3))) (or (< 8 v_z_11) (< .cse1 (+ v_z_11 1)) (= (mod .cse208 c_~var_1_65~0) 0) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse209) (< v_z_11 0) (< (div .cse208 c_~var_1_65~0) |c_ULTIMATE.start_step_#t~nondet5#1|) (< .cse209 |c_ULTIMATE.start_step_#t~nondet5#1|)))))) (.cse99 (forall ((v_z_11 Int)) (let ((.cse207 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< .cse1 (+ v_z_11 1)) (= (mod .cse207 c_~var_1_65~0) 0) (< v_z_11 0) (< (div .cse207 c_~var_1_65~0) |c_ULTIMATE.start_step_#t~nondet5#1|) (= (mod .cse207 .cse3) 0) (< (div .cse207 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|))))) (.cse10 (forall ((v_z_11 Int)) (let ((.cse206 (div (+ .cse2 v_z_11) c_~var_1_65~0))) (or (< 8 v_z_11) (< v_z_11 .cse1) (< .cse206 .cse4) (= .cse4 .cse206))))) (.cse65 (forall ((v_z_11 Int)) (let ((.cse205 (+ .cse2 v_z_11))) (let ((.cse204 (div .cse205 .cse3))) (or (< 8 v_z_11) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse204) (< v_z_11 0) (< (div .cse205 c_~var_1_65~0) .cse4) (< .cse204 |c_ULTIMATE.start_step_#t~nondet5#1|)))))) (.cse63 (forall ((v_z_11 Int)) (let ((.cse203 (+ .cse2 v_z_11))) (let ((.cse202 (div .cse203 .cse3))) (or (< 8 v_z_11) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse202) (not (= (mod .cse203 c_~var_1_65~0) 0)) (< v_z_11 0) (= (mod .cse203 .cse3) 0) (< (div .cse203 c_~var_1_65~0) .cse4) (< .cse202 |c_ULTIMATE.start_step_#t~nondet5#1|)))))) (.cse60 (forall ((v_z_11 Int)) (let ((.cse201 (+ .cse2 v_z_11))) (let ((.cse200 (div .cse201 c_~var_1_65~0))) (or (< 8 v_z_11) (< v_z_11 0) (< .cse200 .cse4) (= .cse4 .cse200) (< (div .cse201 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|)))))) (.cse62 (forall ((v_z_11 Int)) (let ((.cse198 (+ .cse2 v_z_11))) (let ((.cse199 (div .cse198 c_~var_1_65~0))) (or (< 8 v_z_11) (< v_z_11 0) (= (mod .cse198 .cse3) 0) (< .cse199 .cse4) (= .cse4 .cse199) (< (div .cse198 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|)))))) (.cse9 (forall ((v_z_11 Int)) (let ((.cse196 (+ .cse2 v_z_11))) (let ((.cse197 (div .cse196 c_~var_1_65~0))) (or (< 8 v_z_11) (< v_z_11 .cse1) (= (mod .cse196 .cse3) 0) (< .cse197 .cse4) (= .cse4 .cse197)))))) (.cse11 (forall ((v_z_11 Int)) (let ((.cse194 (+ .cse2 v_z_11))) (let ((.cse195 (div .cse194 c_~var_1_65~0))) (or (< 8 v_z_11) (< v_z_11 .cse1) (= (mod .cse194 .cse3) 0) (< .cse195 .cse4) (= .cse4 .cse195) (< (div .cse194 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|)))))) (.cse112 (forall ((v_z_11 Int)) (let ((.cse193 (+ .cse2 v_z_11))) (let ((.cse192 (div .cse193 .cse3))) (or (< 8 v_z_11) (< v_z_11 .cse1) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse192) (not (= (mod .cse193 c_~var_1_65~0) 0)) (< (div .cse193 c_~var_1_65~0) .cse4) (< .cse192 |c_ULTIMATE.start_step_#t~nondet5#1|)))))) (.cse32 (forall ((v_z_11 Int)) (let ((.cse191 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< .cse1 (+ v_z_11 1)) (< v_z_11 0) (= (mod .cse191 .cse3) 0) (< (div .cse191 c_~var_1_65~0) .cse4) (< (div .cse191 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|))))) (.cse7 (forall ((v_z_11 Int)) (let ((.cse189 (+ .cse2 v_z_11))) (let ((.cse190 (div .cse189 c_~var_1_65~0))) (or (< 8 v_z_11) (< v_z_11 .cse1) (not (= (mod .cse189 .cse3) 0)) (< .cse190 .cse4) (= .cse4 .cse190) (< (div .cse189 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|)))))) (.cse58 (forall ((v_z_11 Int)) (let ((.cse187 (+ .cse2 v_z_11))) (let ((.cse188 (div .cse187 c_~var_1_65~0))) (or (< 8 v_z_11) (not (= (mod .cse187 .cse3) 0)) (< v_z_11 0) (< .cse188 .cse4) (= .cse4 .cse188) (< (div .cse187 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|)))))) (.cse52 (forall ((v_z_11 Int)) (let ((.cse185 (+ .cse2 v_z_11))) (let ((.cse186 (div .cse185 c_~var_1_65~0))) (or (< 8 v_z_11) (not (= (mod .cse185 c_~var_1_65~0) 0)) (< v_z_11 0) (= (mod .cse185 .cse3) 0) (< .cse186 .cse4) (= .cse4 .cse186) (< (div .cse185 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|)))))) (.cse53 (forall ((v_z_11 Int)) (let ((.cse183 (+ .cse2 v_z_11))) (let ((.cse184 (div .cse183 c_~var_1_65~0))) (or (< 8 v_z_11) (not (= (mod .cse183 c_~var_1_65~0) 0)) (< v_z_11 0) (< .cse184 .cse4) (= .cse4 .cse184) (< (div .cse183 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|)))))) (.cse38 (forall ((v_z_11 Int)) (let ((.cse181 (+ .cse2 v_z_11))) (let ((.cse182 (div .cse181 c_~var_1_65~0))) (or (< 8 v_z_11) (not (= (mod .cse181 .cse3) 0)) (not (= (mod .cse181 c_~var_1_65~0) 0)) (< v_z_11 0) (< .cse182 .cse4) (= .cse4 .cse182) (< (div .cse181 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|)))))) (.cse27 (forall ((v_z_11 Int)) (let ((.cse180 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (not (= (mod .cse180 c_~var_1_65~0) 0)) (< v_z_11 0) (< (div .cse180 c_~var_1_65~0) .cse4) (< (div .cse180 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|))))) (.cse102 (forall ((v_z_11 Int)) (let ((.cse179 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< v_z_11 .cse1) (not (= (mod .cse179 .cse3) 0)) (< (div .cse179 c_~var_1_65~0) .cse4) (< (div .cse179 .cse3) .cse4))))) (.cse39 (forall ((v_z_11 Int)) (let ((.cse178 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (not (= (mod .cse178 c_~var_1_65~0) 0)) (< v_z_11 0) (< (div .cse178 c_~var_1_65~0) .cse4))))) (.cse105 (forall ((v_z_11 Int)) (let ((.cse176 (+ .cse2 v_z_11))) (let ((.cse177 (div .cse176 c_~var_1_65~0))) (or (< 8 v_z_11) (not (= (mod .cse176 c_~var_1_65~0) 0)) (< v_z_11 0) (= (mod .cse176 .cse3) 0) (< .cse177 .cse4) (= .cse4 .cse177)))))) (.cse106 (forall ((v_z_11 Int)) (let ((.cse174 (+ .cse2 v_z_11))) (let ((.cse175 (div .cse174 c_~var_1_65~0))) (or (< 8 v_z_11) (not (= (mod .cse174 c_~var_1_65~0) 0)) (< v_z_11 0) (< .cse175 .cse4) (= .cse4 .cse175)))))) (.cse123 (forall ((v_z_11 Int)) (let ((.cse173 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< v_z_11 .cse1) (< (div .cse173 c_~var_1_65~0) .cse4) (< (div .cse173 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|))))) (.cse117 (or .cse172 .cse16)) (.cse31 (forall ((v_z_11 Int)) (let ((.cse171 (+ .cse2 v_z_11))) (let ((.cse170 (div .cse171 .cse3))) (or (< 8 v_z_11) (< v_z_11 .cse1) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse170) (= (mod .cse171 .cse3) 0) (< (div .cse171 c_~var_1_65~0) .cse4) (< .cse170 |c_ULTIMATE.start_step_#t~nondet5#1|)))))) (.cse37 (forall ((v_z_11 Int)) (let ((.cse169 (+ .cse2 v_z_11))) (let ((.cse168 (div .cse169 .cse3))) (or (< 8 v_z_11) (< v_z_11 .cse1) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse168) (< (div .cse169 c_~var_1_65~0) .cse4) (< .cse168 |c_ULTIMATE.start_step_#t~nondet5#1|)))))) (.cse148 (forall ((v_z_11 Int)) (let ((.cse166 (+ .cse2 v_z_11))) (let ((.cse167 (div .cse166 c_~var_1_65~0))) (or (< 8 v_z_11) (< v_z_11 .cse1) (not (= (mod .cse166 c_~var_1_65~0) 0)) (< .cse167 .cse4) (= .cse4 .cse167) (< (div .cse166 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|)))))) (.cse28 (forall ((v_z_11 Int)) (let ((.cse164 (+ .cse2 v_z_11))) (let ((.cse165 (div .cse164 .cse3))) (or (< 8 v_z_11) (not (= (mod .cse164 .cse3) 0)) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse165) (< v_z_11 0) (< (div .cse164 c_~var_1_65~0) .cse4) (< .cse165 |c_ULTIMATE.start_step_#t~nondet5#1|)))))) (.cse6 (< 0 .cse163)) (.cse36 (forall ((v_z_11 Int)) (let ((.cse162 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< .cse1 (+ v_z_11 1)) (not (= (mod .cse162 c_~var_1_65~0) 0)) (< v_z_11 0) (= (mod .cse162 .cse3) 0) (< (div .cse162 c_~var_1_65~0) .cse4))))) (.cse0 (< c_~var_1_65~0 .cse3)) (.cse74 (forall ((v_z_11 Int)) (let ((.cse161 (+ .cse2 v_z_11))) (let ((.cse160 (div .cse161 .cse3))) (or (< 8 v_z_11) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse160) (< v_z_11 0) (= (mod .cse161 .cse3) 0) (< (div .cse161 c_~var_1_65~0) .cse4) (< .cse160 |c_ULTIMATE.start_step_#t~nondet5#1|))))))) (and (or .cse0 (forall ((v_z_11 Int)) (or (< 8 v_z_11) (< v_z_11 .cse1) (< (div (+ .cse2 v_z_11) .cse3) .cse4)))) (forall ((v_z_11 Int)) (let ((.cse5 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (not (= (mod .cse5 .cse3) 0)) (not (= (mod .cse5 c_~var_1_65~0) 0)) (< v_z_11 0) (< (div .cse5 c_~var_1_65~0) .cse4) (< (div .cse5 .cse3) .cse4)))) (or .cse6 .cse7) (or .cse6 (and .cse8 .cse9 .cse10 .cse7 .cse11)) (or .cse0 (and .cse12 (forall ((v_z_11 Int)) (let ((.cse14 (+ .cse2 v_z_11))) (let ((.cse13 (div .cse14 .cse3))) (or (< 8 v_z_11) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse13) (not (= (mod .cse14 c_~var_1_65~0) 0)) (< v_z_11 0) (= (mod .cse14 .cse3) 0) (< .cse13 |c_ULTIMATE.start_step_#t~nondet5#1|))))))) (or (and (or (forall ((v_z_11 Int)) (let ((.cse15 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< v_z_11 .cse1) (not (= (mod .cse15 c_~var_1_65~0) 0)) (= (mod .cse15 .cse3) 0) (< (div .cse15 c_~var_1_65~0) .cse4)))) .cse16) .cse17 .cse18) .cse19) (or (and (forall ((v_z_11 Int)) (let ((.cse20 (+ .cse2 v_z_11))) (let ((.cse21 (div .cse20 c_~var_1_65~0))) (or (< 8 v_z_11) (not (= (mod .cse20 .cse3) 0)) (< v_z_11 0) (< .cse21 .cse4) (= .cse4 .cse21))))) (or .cse22 .cse19)) .cse16) (or (and (or .cse22 .cse16) .cse23) .cse19) (or .cse16 (and (or (forall ((v_z_11 Int)) (let ((.cse24 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< v_z_11 .cse1) (not (= (mod .cse24 .cse3) 0)) (not (= (mod .cse24 c_~var_1_65~0) 0)) (< (div .cse24 c_~var_1_65~0) .cse4)))) .cse19) (forall ((v_z_11 Int)) (let ((.cse25 (+ .cse2 v_z_11))) (let ((.cse26 (div .cse25 c_~var_1_65~0))) (or (< 8 v_z_11) (< v_z_11 .cse1) (not (= (mod .cse25 .cse3) 0)) (not (= (mod .cse25 c_~var_1_65~0) 0)) (< .cse26 .cse4) (= .cse4 .cse26))))))) (or .cse27 .cse6) (or .cse28 .cse0) (or .cse16 (and (or (forall ((v_z_11 Int)) (let ((.cse29 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< .cse1 (+ v_z_11 1)) (< v_z_11 0) (= (mod .cse29 .cse3) 0) (< (div .cse29 c_~var_1_65~0) .cse4)))) .cse19) .cse30)) (or .cse31 .cse19) (or .cse0 .cse32) (or .cse8 .cse16) (or .cse0 (and .cse33 .cse34)) (or (and .cse35 (or .cse36 .cse19)) .cse16) (or .cse0 .cse37) (or .cse6 .cse38) (or .cse6 .cse30) (or .cse39 .cse16) (or .cse40 .cse16) (forall ((v_z_11 Int)) (let ((.cse41 (+ .cse2 v_z_11))) (let ((.cse43 (div .cse41 c_~var_1_65~0)) (.cse42 (div .cse41 .cse3))) (or (< 8 v_z_11) (not (= (mod .cse41 .cse3) 0)) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse42) (< v_z_11 0) (< .cse43 .cse4) (= .cse4 .cse43) (< .cse42 |c_ULTIMATE.start_step_#t~nondet5#1|))))) (forall ((v_z_11 Int)) (let ((.cse45 (+ .cse2 v_z_11))) (let ((.cse46 (div .cse45 c_~var_1_65~0)) (.cse44 (div .cse45 .cse3))) (or (< 8 v_z_11) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse44) (not (= (mod .cse45 c_~var_1_65~0) 0)) (< v_z_11 0) (= (mod .cse45 .cse3) 0) (< .cse46 .cse4) (= .cse4 .cse46) (< .cse44 |c_ULTIMATE.start_step_#t~nondet5#1|))))) (forall ((v_z_11 Int)) (let ((.cse48 (+ .cse2 v_z_11))) (let ((.cse47 (div .cse48 .cse3))) (or (< 8 v_z_11) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse47) (not (= (mod .cse48 c_~var_1_65~0) 0)) (< v_z_11 0) (< (div .cse48 c_~var_1_65~0) .cse4) (< .cse47 |c_ULTIMATE.start_step_#t~nondet5#1|))))) (or .cse16 .cse36) (forall ((v_z_11 Int)) (let ((.cse50 (+ .cse2 v_z_11))) (let ((.cse51 (div .cse50 c_~var_1_65~0)) (.cse49 (div .cse50 .cse3))) (or (< 8 v_z_11) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse49) (not (= (mod .cse50 c_~var_1_65~0) 0)) (< v_z_11 0) (< .cse51 .cse4) (= .cse4 .cse51) (< .cse49 |c_ULTIMATE.start_step_#t~nondet5#1|))))) (or .cse6 (and .cse52 .cse53)) (or .cse23 .cse19) (or (and (or (forall ((v_z_11 Int)) (let ((.cse54 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< .cse1 (+ v_z_11 1)) (= (mod .cse54 c_~var_1_65~0) 0) (not (= (mod .cse54 .cse3) 0)) (< v_z_11 0) (< (div .cse54 c_~var_1_65~0) |c_ULTIMATE.start_step_#t~nondet5#1|)))) .cse16) .cse55) .cse19) (or .cse0 .cse56) (or .cse0 (forall ((v_z_11 Int)) (let ((.cse57 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (not (= (mod .cse57 .cse3) 0)) (not (= (mod .cse57 c_~var_1_65~0) 0)) (< v_z_11 0) (< (div .cse57 .cse3) .cse4))))) (or (and .cse58 .cse59 .cse60 .cse61 .cse62) .cse6) (or .cse63 .cse19) (or .cse0 .cse64) (or .cse0 .cse65) (or (forall ((v_z_11 Int)) (let ((.cse66 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< .cse1 (+ v_z_11 1)) (= (mod .cse66 c_~var_1_65~0) 0) (< v_z_11 0) (< (div .cse66 c_~var_1_65~0) .cse67)))) .cse16) (or .cse0 .cse23) (or (forall ((v_z_11 Int)) (let ((.cse68 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< v_z_11 .cse1) (not (= (mod .cse68 c_~var_1_65~0) 0)) (< (div .cse68 c_~var_1_65~0) .cse4)))) .cse16) (or .cse56 .cse19) (or (and .cse8 .cse11) .cse6) (or .cse6 .cse69) (or .cse70 .cse19) (or .cse0 .cse55) (or (and .cse60 .cse62 (or (forall ((v_z_11 Int)) (let ((.cse71 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< v_z_11 0) (= (mod .cse71 .cse3) 0) (< (div .cse71 c_~var_1_65~0) .cse4) (< (div .cse71 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|)))) .cse19) (or (forall ((v_z_11 Int)) (let ((.cse72 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< v_z_11 0) (< (div .cse72 c_~var_1_65~0) .cse4) (< (div .cse72 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|)))) .cse19)) .cse16) (or .cse0 .cse18) (or (and .cse73 .cse9) .cse16) (or .cse74 .cse19) (or .cse75 .cse16) (or .cse0 .cse12) (or .cse0 (forall ((v_z_11 Int)) (let ((.cse76 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< .cse1 (+ v_z_11 1)) (not (= (mod .cse76 c_~var_1_65~0) 0)) (< v_z_11 0) (= (mod .cse76 .cse3) 0) (< (div .cse76 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|))))) (or .cse0 (and .cse64 (forall ((v_z_11 Int)) (let ((.cse77 (div (+ .cse2 v_z_11) .cse3))) (or (< 8 v_z_11) (< v_z_11 .cse1) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse77) (< .cse77 |c_ULTIMATE.start_step_#t~nondet5#1|)))))) (forall ((v_z_11 Int)) (let ((.cse78 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< .cse1 (+ v_z_11 1)) (= (mod .cse78 c_~var_1_65~0) 0) (< v_z_11 0) (< (div .cse78 c_~var_1_65~0) .cse67) (= (mod .cse78 .cse3) 0) (< (div .cse78 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|)))) (forall ((v_z_11 Int)) (let ((.cse80 (+ .cse2 v_z_11))) (let ((.cse81 (div .cse80 c_~var_1_65~0)) (.cse79 (div .cse80 .cse3))) (or (< 8 v_z_11) (< v_z_11 .cse1) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse79) (not (= (mod .cse80 c_~var_1_65~0) 0)) (< .cse81 .cse4) (= .cse4 .cse81) (< .cse79 |c_ULTIMATE.start_step_#t~nondet5#1|))))) (or (and (forall ((v_z_11 Int)) (let ((.cse82 (+ .cse2 v_z_11))) (let ((.cse83 (div .cse82 c_~var_1_65~0))) (or (< 8 v_z_11) (not (= (mod .cse82 .cse3) 0)) (not (= (mod .cse82 c_~var_1_65~0) 0)) (< v_z_11 0) (< .cse83 .cse4) (= .cse4 .cse83))))) (or .cse40 .cse19)) .cse16) (or (forall ((v_z_11 Int)) (let ((.cse84 (+ .cse2 v_z_11))) (let ((.cse85 (div .cse84 c_~var_1_65~0))) (or (< 8 v_z_11) (< v_z_11 .cse1) (not (= (mod .cse84 c_~var_1_65~0) 0)) (< .cse85 .cse4) (= .cse4 .cse85))))) .cse16) (or .cse16 .cse69) (or (and .cse27 .cse39) .cse6) (or .cse37 .cse19) (or .cse16 (and .cse73 .cse9 (or .cse75 .cse19) .cse10)) (forall ((v_z_11 Int)) (let ((.cse86 (+ .cse2 v_z_11))) (let ((.cse88 (div .cse86 c_~var_1_65~0)) (.cse87 (div .cse86 .cse3))) (or (< 8 v_z_11) (< v_z_11 .cse1) (not (= (mod .cse86 .cse3) 0)) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse87) (< .cse88 .cse4) (= .cse4 .cse88) (< .cse87 |c_ULTIMATE.start_step_#t~nondet5#1|))))) (forall ((v_z_11 Int)) (let ((.cse89 (+ .cse2 v_z_11))) (let ((.cse90 (div .cse89 c_~var_1_65~0))) (or (< 8 v_z_11) (not (= (mod .cse89 .cse3) 0)) (not (= (mod .cse89 c_~var_1_65~0) 0)) (< v_z_11 0) (< .cse90 .cse4) (= .cse4 .cse90) (< (div .cse89 .cse3) .cse4))))) (forall ((v_z_11 Int)) (let ((.cse91 (+ .cse2 v_z_11))) (let ((.cse92 (div .cse91 c_~var_1_65~0))) (or (< 8 v_z_11) (< .cse1 (+ v_z_11 1)) (< v_z_11 0) (= (mod .cse91 .cse3) 0) (< .cse92 .cse4) (= .cse4 .cse92) (< (div .cse91 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|))))) (or .cse6 .cse11) (or (and .cse93 .cse11) .cse16) (or (and (forall ((v_z_11 Int)) (let ((.cse94 (+ .cse2 v_z_11))) (let ((.cse95 (div .cse94 c_~var_1_65~0))) (or (< 8 v_z_11) (< v_z_11 .cse1) (not (= (mod .cse94 .cse3) 0)) (< .cse95 .cse4) (= .cse4 .cse95))))) (or .cse96 .cse19)) .cse16) (or (and (or .cse33 .cse0) (or (forall ((v_z_11 Int)) (let ((.cse97 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< .cse1 (+ v_z_11 1)) (= (mod .cse97 c_~var_1_65~0) 0) (< v_z_11 0) (< (div .cse97 c_~var_1_65~0) |c_ULTIMATE.start_step_#t~nondet5#1|)))) .cse16) .cse98 .cse99 (or .cse0 .cse34) (or .cse16 (forall ((v_z_11 Int)) (let ((.cse100 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< .cse1 (+ v_z_11 1)) (= (mod .cse100 c_~var_1_65~0) 0) (< v_z_11 0) (< (div .cse100 c_~var_1_65~0) |c_ULTIMATE.start_step_#t~nondet5#1|) (< (div .cse100 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|)))))) .cse19) (or .cse101 .cse0) (or .cse101 .cse19) (or .cse102 .cse19) (or .cse0 (forall ((v_z_11 Int)) (let ((.cse103 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< .cse1 (+ v_z_11 1)) (= (mod .cse103 c_~var_1_65~0) 0) (not (= (mod .cse103 .cse3) 0)) (< v_z_11 0) (< (div .cse103 .cse3) .cse4))))) (or (forall ((v_z_11 Int)) (let ((.cse104 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< .cse1 (+ v_z_11 1)) (< v_z_11 0) (= (mod .cse104 .cse3) 0) (< (div .cse104 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|)))) .cse0) (or (and .cse52 .cse105 .cse38 .cse106 .cse53) .cse6) (or .cse0 .cse31) (or (and .cse59 .cse61 (or (forall ((v_z_11 Int)) (or (< 8 v_z_11) (< v_z_11 0) (< (div (+ .cse2 v_z_11) c_~var_1_65~0) .cse4))) .cse19) (or (forall ((v_z_11 Int)) (let ((.cse107 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< v_z_11 0) (= (mod .cse107 .cse3) 0) (< (div .cse107 c_~var_1_65~0) .cse4)))) .cse19)) .cse16) (or (and .cse102 (or .cse96 .cse16)) .cse19) (forall ((v_z_11 Int)) (let ((.cse109 (+ .cse2 v_z_11))) (let ((.cse110 (div .cse109 c_~var_1_65~0)) (.cse108 (div .cse109 .cse3))) (or (< 8 v_z_11) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse108) (< v_z_11 0) (= (mod .cse109 .cse3) 0) (< .cse110 .cse4) (= .cse4 .cse110) (< .cse108 |c_ULTIMATE.start_step_#t~nondet5#1|))))) (or (and (or (forall ((v_z_11 Int)) (let ((.cse111 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< v_z_11 .cse1) (not (= (mod .cse111 c_~var_1_65~0) 0)) (< (div .cse111 c_~var_1_65~0) .cse4) (< (div .cse111 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|)))) .cse16) .cse17 .cse18 .cse112) .cse19) (or .cse0 .cse70) (or .cse35 .cse6) (forall ((v_z_11 Int)) (let ((.cse115 (+ .cse2 v_z_11))) (let ((.cse114 (div .cse115 c_~var_1_65~0)) (.cse113 (div .cse115 .cse3))) (or (< 8 v_z_11) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse113) (< v_z_11 0) (< .cse114 .cse4) (= .cse4 .cse114) (< .cse113 |c_ULTIMATE.start_step_#t~nondet5#1|))))) (or .cse16 (and .cse58 (or (forall ((v_z_11 Int)) (let ((.cse116 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (not (= (mod .cse116 .cse3) 0)) (< v_z_11 0) (< (div .cse116 c_~var_1_65~0) .cse4) (< (div .cse116 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|)))) .cse19))) (or (and .cse117 (or .cse118 .cse16) .cse31) .cse19) (forall ((v_z_11 Int)) (let ((.cse119 (+ .cse2 v_z_11))) (let ((.cse121 (div .cse119 c_~var_1_65~0)) (.cse120 (div .cse119 .cse3))) (or (< 8 v_z_11) (not (= (mod .cse119 .cse3) 0)) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse120) (not (= (mod .cse119 c_~var_1_65~0) 0)) (< v_z_11 0) (< .cse121 .cse4) (= .cse4 .cse121) (< .cse120 |c_ULTIMATE.start_step_#t~nondet5#1|))))) (or .cse0 (forall ((v_z_11 Int)) (let ((.cse122 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< v_z_11 .cse1) (not (= (mod .cse122 c_~var_1_65~0) 0)) (< (div .cse122 .cse3) .cse4))))) (or (and .cse93 .cse8 (or .cse123 .cse19) .cse11) .cse16) (or .cse0 (and .cse98 .cse99)) (or .cse10 .cse16) (forall ((v_z_11 Int)) (let ((.cse125 (+ .cse2 v_z_11))) (let ((.cse126 (div .cse125 c_~var_1_65~0)) (.cse124 (div .cse125 .cse3))) (or (< 8 v_z_11) (< v_z_11 .cse1) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse124) (= (mod .cse125 .cse3) 0) (< .cse126 .cse4) (= .cse4 .cse126) (< .cse124 |c_ULTIMATE.start_step_#t~nondet5#1|))))) (or .cse65 .cse19) (or .cse0 .cse63) (or (and .cse60 .cse62) .cse6) (forall ((v_z_11 Int)) (let ((.cse127 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< .cse1 (+ v_z_11 1)) (not (= (mod .cse127 c_~var_1_65~0) 0)) (< v_z_11 0) (= (mod .cse127 .cse3) 0) (< (div .cse127 c_~var_1_65~0) .cse4) (< (div .cse127 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|)))) (forall ((v_z_11 Int)) (let ((.cse128 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< .cse1 (+ v_z_11 1)) (= (mod .cse128 c_~var_1_65~0) 0) (not (= (mod .cse128 .cse3) 0)) (< v_z_11 0) (< (div .cse128 c_~var_1_65~0) .cse67) (< (div .cse128 .cse3) .cse4)))) (or (and .cse9 .cse11) .cse6) (or .cse0 .cse112) (or .cse32 .cse19) (or .cse0 (forall ((v_z_11 Int)) (let ((.cse129 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< v_z_11 .cse1) (not (= (mod .cse129 .cse3) 0)) (< (div .cse129 .cse3) .cse4))))) (or .cse16 (and (or (forall ((v_z_11 Int)) (let ((.cse130 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< v_z_11 .cse1) (not (= (mod .cse130 .cse3) 0)) (< (div .cse130 c_~var_1_65~0) .cse4) (< (div .cse130 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|)))) .cse19) .cse7)) (forall ((v_z_11 Int)) (let ((.cse131 (+ .cse2 v_z_11))) (let ((.cse132 (div .cse131 c_~var_1_65~0))) (or (< 8 v_z_11) (< v_z_11 .cse1) (not (= (mod .cse131 .cse3) 0)) (not (= (mod .cse131 c_~var_1_65~0) 0)) (< .cse132 .cse4) (= .cse4 .cse132) (< (div .cse131 .cse3) .cse4))))) (or .cse58 .cse6) (forall ((v_z_11 Int)) (let ((.cse133 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< v_z_11 .cse1) (< (div .cse133 c_~var_1_65~0) .cse4) (< (div .cse133 .cse3) .cse4)))) (forall ((v_z_11 Int)) (let ((.cse134 (+ .cse2 v_z_11))) (let ((.cse135 (div .cse134 c_~var_1_65~0))) (or (< 8 v_z_11) (< .cse1 (+ v_z_11 1)) (not (= (mod .cse134 c_~var_1_65~0) 0)) (< v_z_11 0) (= (mod .cse134 .cse3) 0) (< .cse135 .cse4) (= .cse4 .cse135) (< (div .cse134 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|))))) (or (and .cse52 (or .cse27 .cse19) .cse53 (or (forall ((v_z_11 Int)) (let ((.cse136 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (not (= (mod .cse136 c_~var_1_65~0) 0)) (< v_z_11 0) (= (mod .cse136 .cse3) 0) (< (div .cse136 c_~var_1_65~0) .cse4) (< (div .cse136 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|)))) .cse19)) .cse16) (forall ((v_z_11 Int)) (let ((.cse137 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< v_z_11 .cse1) (not (= (mod .cse137 c_~var_1_65~0) 0)) (< (div .cse137 c_~var_1_65~0) .cse4) (< (div .cse137 .cse3) .cse4)))) (forall ((v_z_11 Int)) (let ((.cse140 (+ .cse2 v_z_11))) (let ((.cse139 (div .cse140 c_~var_1_65~0)) (.cse138 (div .cse140 .cse3))) (or (< 8 v_z_11) (< v_z_11 .cse1) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse138) (< .cse139 .cse4) (= .cse4 .cse139) (< .cse138 |c_ULTIMATE.start_step_#t~nondet5#1|))))) (or (and (forall ((v_z_11 Int)) (let ((.cse142 (+ .cse2 v_z_11))) (let ((.cse141 (div .cse142 .cse3))) (or (< 8 v_z_11) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse141) (< v_z_11 0) (= (mod .cse142 .cse3) 0) (< .cse141 |c_ULTIMATE.start_step_#t~nondet5#1|))))) (forall ((v_z_11 Int)) (let ((.cse143 (div (+ .cse2 v_z_11) .cse3))) (or (< 8 v_z_11) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse143) (< v_z_11 0) (< .cse143 |c_ULTIMATE.start_step_#t~nondet5#1|))))) .cse0) (or .cse0 (forall ((v_z_11 Int)) (let ((.cse144 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (not (= (mod .cse144 .cse3) 0)) (< v_z_11 0) (< (div .cse144 .cse3) .cse4))))) (forall ((v_z_11 Int)) (let ((.cse145 (+ .cse2 v_z_11))) (let ((.cse146 (div .cse145 .cse3))) (or (< 8 v_z_11) (< .cse1 (+ v_z_11 1)) (= (mod .cse145 c_~var_1_65~0) 0) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse146) (< v_z_11 0) (< (div .cse145 c_~var_1_65~0) .cse67) (< .cse146 |c_ULTIMATE.start_step_#t~nondet5#1|))))) (or (and (or (forall ((v_z_11 Int)) (let ((.cse147 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (not (= (mod .cse147 .cse3) 0)) (not (= (mod .cse147 c_~var_1_65~0) 0)) (< v_z_11 0) (< (div .cse147 c_~var_1_65~0) .cse4) (< (div .cse147 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|)))) .cse19) .cse38) .cse16) (or .cse6 (and .cse148 (forall ((v_z_11 Int)) (let ((.cse149 (+ .cse2 v_z_11))) (let ((.cse150 (div .cse149 c_~var_1_65~0))) (or (< 8 v_z_11) (< v_z_11 .cse1) (not (= (mod .cse149 c_~var_1_65~0) 0)) (= (mod .cse149 .cse3) 0) (< .cse150 .cse4) (= .cse4 .cse150) (< (div .cse149 .cse3) |c_ULTIMATE.start_step_#t~nondet5#1|))))))) (or .cse27 .cse16) (or .cse0 .cse102) (or .cse16 (and (or .cse39 .cse19) .cse105 .cse106 (or (forall ((v_z_11 Int)) (let ((.cse151 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (not (= (mod .cse151 c_~var_1_65~0) 0)) (< v_z_11 0) (= (mod .cse151 .cse3) 0) (< (div .cse151 c_~var_1_65~0) .cse4)))) .cse19))) (forall ((v_z_11 Int)) (let ((.cse153 (+ .cse2 v_z_11))) (let ((.cse154 (div .cse153 c_~var_1_65~0)) (.cse152 (div .cse153 .cse3))) (or (< 8 v_z_11) (< v_z_11 .cse1) (= |c_ULTIMATE.start_step_#t~nondet5#1| .cse152) (not (= (mod .cse153 c_~var_1_65~0) 0)) (= (mod .cse153 .cse3) 0) (< .cse154 .cse4) (= .cse4 .cse154) (< .cse152 |c_ULTIMATE.start_step_#t~nondet5#1|))))) (or (and (or .cse123 .cse16) .cse117 .cse31 .cse37) .cse19) (or .cse148 .cse16) (or .cse28 .cse19) (forall ((v_z_11 Int)) (let ((.cse155 (+ .cse2 v_z_11))) (let ((.cse156 (div .cse155 c_~var_1_65~0))) (or (< 8 v_z_11) (< v_z_11 .cse1) (not (= (mod .cse155 .cse3) 0)) (< .cse156 .cse4) (= .cse4 .cse156) (< (div .cse155 .cse3) .cse4))))) (forall ((v_z_11 Int)) (let ((.cse157 (+ .cse2 v_z_11))) (let ((.cse158 (div .cse157 c_~var_1_65~0))) (or (< 8 v_z_11) (not (= (mod .cse157 .cse3) 0)) (< v_z_11 0) (< .cse158 .cse4) (= .cse4 .cse158) (< (div .cse157 .cse3) .cse4))))) (or .cse6 .cse36) (or .cse0 .cse74) (or (forall ((v_z_11 Int)) (let ((.cse159 (+ .cse2 v_z_11))) (or (< 8 v_z_11) (< .cse1 (+ v_z_11 1)) (= (mod .cse159 c_~var_1_65~0) 0) (not (= (mod .cse159 .cse3) 0)) (< v_z_11 0) (< (div .cse159 c_~var_1_65~0) .cse67)))) .cse16)))))) is different from false [2023-12-15 20:00:26,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-12-15 20:00:26,459 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-15 20:00:26,480 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 20:00:26,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-15 20:00:26,481 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 707 with TraceHistMax 110,while TraceCheckSpWp was constructing backward predicates,while executing Executor. [2023-12-15 20:00:26,483 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:00:26,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 [2023-12-15 20:00:26,498 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 20:00:26,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 08:00:26 BoogieIcfgContainer [2023-12-15 20:00:26,500 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 20:00:26,500 INFO L158 Benchmark]: Toolchain (without parser) took 62818.33ms. Allocated memory was 183.5MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 127.2MB in the beginning and 736.5MB in the end (delta: -609.3MB). Peak memory consumption was 862.1MB. Max. memory is 8.0GB. [2023-12-15 20:00:26,500 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 183.5MB. Free memory is still 130.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 20:00:26,501 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.19ms. Allocated memory is still 183.5MB. Free memory was 127.2MB in the beginning and 144.4MB in the end (delta: -17.2MB). Peak memory consumption was 30.7MB. Max. memory is 8.0GB. [2023-12-15 20:00:26,501 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.08ms. Allocated memory is still 183.5MB. Free memory was 144.4MB in the beginning and 130.9MB in the end (delta: 13.5MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-15 20:00:26,501 INFO L158 Benchmark]: Boogie Preprocessor took 131.55ms. Allocated memory is still 183.5MB. Free memory was 130.9MB in the beginning and 115.1MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-15 20:00:26,501 INFO L158 Benchmark]: RCFGBuilder took 1014.99ms. Allocated memory was 183.5MB in the beginning and 221.2MB in the end (delta: 37.7MB). Free memory was 115.1MB in the beginning and 156.5MB in the end (delta: -41.4MB). Peak memory consumption was 73.4MB. Max. memory is 8.0GB. [2023-12-15 20:00:26,501 INFO L158 Benchmark]: TraceAbstraction took 61108.36ms. Allocated memory was 221.2MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 156.0MB in the beginning and 736.5MB in the end (delta: -580.5MB). Peak memory consumption was 852.9MB. Max. memory is 8.0GB. [2023-12-15 20:00:26,510 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 183.5MB. Free memory is still 130.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 467.19ms. Allocated memory is still 183.5MB. Free memory was 127.2MB in the beginning and 144.4MB in the end (delta: -17.2MB). Peak memory consumption was 30.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 92.08ms. Allocated memory is still 183.5MB. Free memory was 144.4MB in the beginning and 130.9MB in the end (delta: 13.5MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 131.55ms. Allocated memory is still 183.5MB. Free memory was 130.9MB in the beginning and 115.1MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * RCFGBuilder took 1014.99ms. Allocated memory was 183.5MB in the beginning and 221.2MB in the end (delta: 37.7MB). Free memory was 115.1MB in the beginning and 156.5MB in the end (delta: -41.4MB). Peak memory consumption was 73.4MB. Max. memory is 8.0GB. * TraceAbstraction took 61108.36ms. Allocated memory was 221.2MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 156.0MB in the beginning and 736.5MB in the end (delta: -580.5MB). Peak memory consumption was 852.9MB. 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: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 707 with TraceHistMax 110,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 320 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 61.1s, OverallIterations: 17, TraceHistogramMax: 110, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11340 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10930 mSDsluCounter, 27746 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17496 mSDsCounter, 2350 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6045 IncrementalHoareTripleChecker+Invalid, 8395 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2350 mSolverCounterUnsat, 10250 mSDtfsCounter, 6045 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14910 GetRequests, 14803 SyntacticMatches, 4 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16905occurred in iteration=16, InterpolantAutomatonStates: 110, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 12603 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.1s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 11962 NumberOfCodeBlocks, 11962 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 14763 ConstructedInterpolants, 0 QuantifiedInterpolants, 30261 SizeOfPredicates, 35 NumberOfNonLiveVariables, 25738 ConjunctsInSsa, 85 ConjunctsInUnsatCore, 21 InterpolantComputations, 10 PerfectInterpolantSequences, 501924/503580 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