/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 false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-90.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 22:27:37,414 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 22:27:37,484 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-20 22:27:37,489 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 22:27:37,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 22:27:37,513 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 22:27:37,513 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 22:27:37,514 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 22:27:37,514 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 22:27:37,517 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 22:27:37,517 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 22:27:37,518 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 22:27:37,518 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 22:27:37,519 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 22:27:37,519 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 22:27:37,519 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 22:27:37,519 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 22:27:37,520 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 22:27:37,520 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 22:27:37,520 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 22:27:37,520 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 22:27:37,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 22:27:37,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 22:27:37,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 22:27:37,521 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 22:27:37,521 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 22:27:37,521 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 22:27:37,521 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 22:27:37,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 22:27:37,522 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 22:27:37,523 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 22:27:37,523 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 22:27:37,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 22:27:37,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 22:27:37,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 22:27:37,523 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 22:27:37,523 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 22:27:37,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 22:27:37,524 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 22:27:37,524 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 22:27:37,524 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 22:27:37,524 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 22:27:37,524 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 22:27:37,524 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-20 22:27:37,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 22:27:37,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 22:27:37,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 22:27:37,747 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 22:27:37,747 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 22:27:37,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-90.i [2023-12-20 22:27:38,778 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 22:27:38,940 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 22:27:38,941 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-90.i [2023-12-20 22:27:38,946 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7d5ea053/81e8967676d64a3a975f7b407ed4a48b/FLAG5cf181c2a [2023-12-20 22:27:38,955 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7d5ea053/81e8967676d64a3a975f7b407ed4a48b [2023-12-20 22:27:38,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 22:27:38,958 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 22:27:38,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 22:27:38,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 22:27:38,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 22:27:38,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 10:27:38" (1/1) ... [2023-12-20 22:27:38,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2951c96f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:27:38, skipping insertion in model container [2023-12-20 22:27:38,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 10:27:38" (1/1) ... [2023-12-20 22:27:38,999 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 22:27:39,110 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_floatingpointinfluence_no-floats_file-90.i[916,929] [2023-12-20 22:27:39,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 22:27:39,147 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 22:27:39,154 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_floatingpointinfluence_no-floats_file-90.i[916,929] [2023-12-20 22:27:39,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 22:27:39,178 INFO L206 MainTranslator]: Completed translation [2023-12-20 22:27:39,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:27:39 WrapperNode [2023-12-20 22:27:39,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 22:27:39,179 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 22:27:39,179 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 22:27:39,179 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 22:27:39,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:27:39" (1/1) ... [2023-12-20 22:27:39,199 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:27:39" (1/1) ... [2023-12-20 22:27:39,219 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 127 [2023-12-20 22:27:39,219 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 22:27:39,219 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 22:27:39,220 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 22:27:39,220 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 22:27:39,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:27:39" (1/1) ... [2023-12-20 22:27:39,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:27:39" (1/1) ... [2023-12-20 22:27:39,228 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:27:39" (1/1) ... [2023-12-20 22:27:39,236 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]. [2023-12-20 22:27:39,237 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:27:39" (1/1) ... [2023-12-20 22:27:39,237 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:27:39" (1/1) ... [2023-12-20 22:27:39,253 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:27:39" (1/1) ... [2023-12-20 22:27:39,256 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:27:39" (1/1) ... [2023-12-20 22:27:39,257 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:27:39" (1/1) ... [2023-12-20 22:27:39,257 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:27:39" (1/1) ... [2023-12-20 22:27:39,261 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 22:27:39,284 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 22:27:39,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 22:27:39,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 22:27:39,285 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:27:39" (1/1) ... [2023-12-20 22:27:39,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 22:27:39,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 22:27:39,313 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) [2023-12-20 22:27:39,329 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 [2023-12-20 22:27:39,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 22:27:39,349 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-20 22:27:39,349 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-20 22:27:39,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 22:27:39,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 22:27:39,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 22:27:39,414 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 22:27:39,417 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 22:27:39,593 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 22:27:39,626 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 22:27:39,626 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-20 22:27:39,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 10:27:39 BoogieIcfgContainer [2023-12-20 22:27:39,627 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 22:27:39,628 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 22:27:39,628 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 22:27:39,630 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 22:27:39,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 10:27:38" (1/3) ... [2023-12-20 22:27:39,631 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e74479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 10:27:39, skipping insertion in model container [2023-12-20 22:27:39,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:27:39" (2/3) ... [2023-12-20 22:27:39,631 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e74479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 10:27:39, skipping insertion in model container [2023-12-20 22:27:39,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 10:27:39" (3/3) ... [2023-12-20 22:27:39,632 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-90.i [2023-12-20 22:27:39,645 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 22:27:39,646 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 22:27:39,687 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 22:27:39,691 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;@644bdce2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 22:27:39,692 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 22:27:39,694 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 29 states have internal predecessors, (40), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-20 22:27:39,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-20 22:27:39,702 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:27:39,703 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 22:27:39,703 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:27:39,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:27:39,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1356584365, now seen corresponding path program 1 times [2023-12-20 22:27:39,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:27:39,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822828651] [2023-12-20 22:27:39,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:27:39,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:27:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:39,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 22:27:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:39,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 22:27:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:39,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 22:27:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:39,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 22:27:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:39,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 22:27:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:39,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 22:27:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:39,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 22:27:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:39,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 22:27:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:39,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 22:27:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:39,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 22:27:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:39,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 22:27:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:39,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 22:27:39,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:39,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 22:27:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:39,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 22:27:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:39,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-20 22:27:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:39,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-20 22:27:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:39,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-20 22:27:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:39,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 22:27:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:39,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 22:27:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:39,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-20 22:27:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:39,973 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-20 22:27:39,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 22:27:39,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822828651] [2023-12-20 22:27:39,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822828651] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 22:27:39,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 22:27:39,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 22:27:39,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743850445] [2023-12-20 22:27:39,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 22:27:39,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-20 22:27:39,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 22:27:39,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-20 22:27:39,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 22:27:39,998 INFO L87 Difference]: Start difference. First operand has 51 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 29 states have internal predecessors, (40), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-20 22:27:40,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 22:27:40,033 INFO L93 Difference]: Finished difference Result 99 states and 178 transitions. [2023-12-20 22:27:40,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-20 22:27:40,036 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 120 [2023-12-20 22:27:40,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 22:27:40,044 INFO L225 Difference]: With dead ends: 99 [2023-12-20 22:27:40,044 INFO L226 Difference]: Without dead ends: 49 [2023-12-20 22:27:40,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 22:27:40,052 INFO L413 NwaCegarLoop]: 72 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, 72 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 [2023-12-20 22:27:40,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 22:27:40,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-12-20 22:27:40,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-12-20 22:27:40,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 27 states have internal predecessors, (35), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-20 22:27:40,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 75 transitions. [2023-12-20 22:27:40,090 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 75 transitions. Word has length 120 [2023-12-20 22:27:40,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 22:27:40,090 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 75 transitions. [2023-12-20 22:27:40,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-20 22:27:40,090 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 75 transitions. [2023-12-20 22:27:40,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-20 22:27:40,096 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:27:40,096 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 22:27:40,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-20 22:27:40,096 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:27:40,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:27:40,097 INFO L85 PathProgramCache]: Analyzing trace with hash -997376595, now seen corresponding path program 1 times [2023-12-20 22:27:40,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:27:40,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731098839] [2023-12-20 22:27:40,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:27:40,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:27:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:43,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 22:27:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:43,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 22:27:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:43,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 22:27:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:43,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 22:27:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:43,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 22:27:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:43,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 22:27:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:43,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 22:27:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:43,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 22:27:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:43,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 22:27:43,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:43,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 22:27:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:43,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 22:27:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:43,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 22:27:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:43,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 22:27:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:43,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 22:27:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:43,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-20 22:27:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:43,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-20 22:27:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:43,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-20 22:27:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:43,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 22:27:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:43,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 22:27:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:43,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-20 22:27:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:43,902 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-20 22:27:43,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 22:27:43,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731098839] [2023-12-20 22:27:43,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731098839] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 22:27:43,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 22:27:43,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-20 22:27:43,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485891344] [2023-12-20 22:27:43,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 22:27:43,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 22:27:43,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 22:27:43,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 22:27:43,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-12-20 22:27:43,909 INFO L87 Difference]: Start difference. First operand 49 states and 75 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-20 22:27:44,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 22:27:44,423 INFO L93 Difference]: Finished difference Result 95 states and 132 transitions. [2023-12-20 22:27:44,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-20 22:27:44,424 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 120 [2023-12-20 22:27:44,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 22:27:44,426 INFO L225 Difference]: With dead ends: 95 [2023-12-20 22:27:44,426 INFO L226 Difference]: Without dead ends: 93 [2023-12-20 22:27:44,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-12-20 22:27:44,427 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 87 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 22:27:44,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 304 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 22:27:44,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-12-20 22:27:44,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 82. [2023-12-20 22:27:44,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 48 states have (on average 1.25) internal successors, (60), 49 states have internal predecessors, (60), 30 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-20 22:27:44,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 120 transitions. [2023-12-20 22:27:44,446 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 120 transitions. Word has length 120 [2023-12-20 22:27:44,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 22:27:44,447 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 120 transitions. [2023-12-20 22:27:44,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-20 22:27:44,447 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 120 transitions. [2023-12-20 22:27:44,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-20 22:27:44,449 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:27:44,449 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 22:27:44,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-20 22:27:44,449 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:27:44,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:27:44,449 INFO L85 PathProgramCache]: Analyzing trace with hash -997317013, now seen corresponding path program 1 times [2023-12-20 22:27:44,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:27:44,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828287311] [2023-12-20 22:27:44,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:27:44,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:27:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:45,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 22:27:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:45,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 22:27:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:45,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 22:27:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:45,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 22:27:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:45,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 22:27:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:45,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 22:27:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:45,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 22:27:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:45,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 22:27:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:45,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 22:27:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:45,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 22:27:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:45,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 22:27:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:45,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 22:27:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:45,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 22:27:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:45,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 22:27:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:45,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-20 22:27:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:45,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-20 22:27:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:45,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-20 22:27:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:45,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 22:27:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:45,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 22:27:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:45,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-20 22:27:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:45,669 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-20 22:27:45,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 22:27:45,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828287311] [2023-12-20 22:27:45,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828287311] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 22:27:45,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 22:27:45,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-20 22:27:45,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495802449] [2023-12-20 22:27:45,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 22:27:45,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 22:27:45,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 22:27:45,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 22:27:45,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-12-20 22:27:45,671 INFO L87 Difference]: Start difference. First operand 82 states and 120 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-20 22:27:46,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 22:27:46,152 INFO L93 Difference]: Finished difference Result 93 states and 130 transitions. [2023-12-20 22:27:46,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-20 22:27:46,155 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 120 [2023-12-20 22:27:46,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 22:27:46,156 INFO L225 Difference]: With dead ends: 93 [2023-12-20 22:27:46,156 INFO L226 Difference]: Without dead ends: 91 [2023-12-20 22:27:46,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-12-20 22:27:46,157 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 84 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 22:27:46,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 311 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 22:27:46,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-12-20 22:27:46,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 82. [2023-12-20 22:27:46,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 48 states have (on average 1.25) internal successors, (60), 49 states have internal predecessors, (60), 30 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-20 22:27:46,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 120 transitions. [2023-12-20 22:27:46,172 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 120 transitions. Word has length 120 [2023-12-20 22:27:46,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 22:27:46,173 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 120 transitions. [2023-12-20 22:27:46,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-20 22:27:46,173 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 120 transitions. [2023-12-20 22:27:46,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-20 22:27:46,174 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:27:46,174 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 22:27:46,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-20 22:27:46,175 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:27:46,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:27:46,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1054634897, now seen corresponding path program 1 times [2023-12-20 22:27:46,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:27:46,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941318607] [2023-12-20 22:27:46,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:27:46,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:27:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:48,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 22:27:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:48,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 22:27:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:48,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 22:27:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:48,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 22:27:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:48,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 22:27:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:48,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 22:27:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:48,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 22:27:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:48,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 22:27:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:48,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 22:27:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:48,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 22:27:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:48,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 22:27:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:48,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 22:27:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:48,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 22:27:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:48,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 22:27:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:48,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-20 22:27:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:48,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-20 22:27:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:48,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-20 22:27:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:48,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 22:27:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:48,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 22:27:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:48,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-20 22:27:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:48,091 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-20 22:27:48,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 22:27:48,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941318607] [2023-12-20 22:27:48,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941318607] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 22:27:48,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 22:27:48,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-20 22:27:48,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125634403] [2023-12-20 22:27:48,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 22:27:48,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 22:27:48,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 22:27:48,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 22:27:48,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-12-20 22:27:48,092 INFO L87 Difference]: Start difference. First operand 82 states and 120 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-20 22:27:48,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 22:27:48,547 INFO L93 Difference]: Finished difference Result 123 states and 169 transitions. [2023-12-20 22:27:48,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-20 22:27:48,548 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 120 [2023-12-20 22:27:48,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 22:27:48,550 INFO L225 Difference]: With dead ends: 123 [2023-12-20 22:27:48,550 INFO L226 Difference]: Without dead ends: 121 [2023-12-20 22:27:48,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2023-12-20 22:27:48,551 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 90 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 22:27:48,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 247 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 22:27:48,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-12-20 22:27:48,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 106. [2023-12-20 22:27:48,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 64 states have internal predecessors, (75), 38 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-20 22:27:48,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 151 transitions. [2023-12-20 22:27:48,569 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 151 transitions. Word has length 120 [2023-12-20 22:27:48,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 22:27:48,569 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 151 transitions. [2023-12-20 22:27:48,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-20 22:27:48,569 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 151 transitions. [2023-12-20 22:27:48,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-20 22:27:48,570 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:27:48,570 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 22:27:48,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-20 22:27:48,571 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:27:48,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:27:48,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1054575315, now seen corresponding path program 1 times [2023-12-20 22:27:48,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:27:48,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097998276] [2023-12-20 22:27:48,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:27:48,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:27:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:49,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 22:27:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:49,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 22:27:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:49,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 22:27:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:49,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 22:27:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:49,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 22:27:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:49,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 22:27:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:49,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 22:27:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:49,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 22:27:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:49,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 22:27:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:49,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 22:27:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:49,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 22:27:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:49,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 22:27:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:49,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 22:27:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:49,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 22:27:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:49,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-20 22:27:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:49,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-20 22:27:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:49,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-20 22:27:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:49,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 22:27:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:49,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 22:27:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:49,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-20 22:27:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:49,527 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-20 22:27:49,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 22:27:49,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097998276] [2023-12-20 22:27:49,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097998276] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 22:27:49,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 22:27:49,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-20 22:27:49,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247318056] [2023-12-20 22:27:49,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 22:27:49,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 22:27:49,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 22:27:49,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 22:27:49,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-12-20 22:27:49,539 INFO L87 Difference]: Start difference. First operand 106 states and 151 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-20 22:27:49,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 22:27:49,968 INFO L93 Difference]: Finished difference Result 115 states and 159 transitions. [2023-12-20 22:27:49,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-20 22:27:49,969 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 120 [2023-12-20 22:27:49,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 22:27:49,970 INFO L225 Difference]: With dead ends: 115 [2023-12-20 22:27:49,970 INFO L226 Difference]: Without dead ends: 113 [2023-12-20 22:27:49,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-12-20 22:27:49,971 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 84 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 22:27:49,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 280 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 22:27:49,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-12-20 22:27:49,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 102. [2023-12-20 22:27:49,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 58 states have (on average 1.1896551724137931) internal successors, (69), 60 states have internal predecessors, (69), 38 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-20 22:27:49,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 145 transitions. [2023-12-20 22:27:49,991 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 145 transitions. Word has length 120 [2023-12-20 22:27:49,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 22:27:49,991 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 145 transitions. [2023-12-20 22:27:49,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-20 22:27:49,992 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 145 transitions. [2023-12-20 22:27:49,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-20 22:27:49,992 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:27:49,992 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 22:27:49,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-20 22:27:49,993 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:27:49,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:27:49,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1148591013, now seen corresponding path program 1 times [2023-12-20 22:27:49,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:27:49,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456424027] [2023-12-20 22:27:49,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:27:49,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:27:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:52,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 22:27:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:52,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 22:27:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:52,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 22:27:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:52,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 22:27:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:52,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 22:27:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:52,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 22:27:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:52,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 22:27:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:52,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 22:27:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:52,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 22:27:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:52,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 22:27:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:52,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 22:27:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:52,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 22:27:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:52,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 22:27:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:52,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 22:27:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:52,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-20 22:27:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:52,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-20 22:27:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:52,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-20 22:27:52,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:52,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 22:27:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:52,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 22:27:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:52,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-20 22:27:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:52,070 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-20 22:27:52,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 22:27:52,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456424027] [2023-12-20 22:27:52,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456424027] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 22:27:52,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 22:27:52,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-20 22:27:52,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948066766] [2023-12-20 22:27:52,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 22:27:52,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-20 22:27:52,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 22:27:52,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-20 22:27:52,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-12-20 22:27:52,071 INFO L87 Difference]: Start difference. First operand 102 states and 145 transitions. Second operand has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-20 22:27:52,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 22:27:52,896 INFO L93 Difference]: Finished difference Result 148 states and 201 transitions. [2023-12-20 22:27:52,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-20 22:27:52,897 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 121 [2023-12-20 22:27:52,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 22:27:52,898 INFO L225 Difference]: With dead ends: 148 [2023-12-20 22:27:52,898 INFO L226 Difference]: Without dead ends: 146 [2023-12-20 22:27:52,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2023-12-20 22:27:52,901 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 120 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 22:27:52,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 331 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 22:27:52,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-12-20 22:27:52,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 65. [2023-12-20 22:27:52,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 41 states have internal predecessors, (53), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-20 22:27:52,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 93 transitions. [2023-12-20 22:27:52,916 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 93 transitions. Word has length 121 [2023-12-20 22:27:52,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 22:27:52,916 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 93 transitions. [2023-12-20 22:27:52,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-20 22:27:52,916 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2023-12-20 22:27:52,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-20 22:27:52,917 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:27:52,917 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 22:27:52,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-20 22:27:52,918 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:27:52,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:27:52,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1091392293, now seen corresponding path program 1 times [2023-12-20 22:27:52,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:27:52,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327422244] [2023-12-20 22:27:52,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:27:52,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:27:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:54,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 22:27:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:54,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 22:27:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:54,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 22:27:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:54,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 22:27:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:54,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 22:27:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:54,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 22:27:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:54,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 22:27:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:54,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 22:27:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:54,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 22:27:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:54,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 22:27:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:54,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 22:27:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:54,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 22:27:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:54,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 22:27:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:54,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 22:27:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:54,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-20 22:27:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:54,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-20 22:27:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:54,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-20 22:27:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:54,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 22:27:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:54,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 22:27:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:54,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-20 22:27:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:54,067 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-20 22:27:54,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 22:27:54,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327422244] [2023-12-20 22:27:54,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327422244] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 22:27:54,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 22:27:54,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-20 22:27:54,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051265097] [2023-12-20 22:27:54,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 22:27:54,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-20 22:27:54,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 22:27:54,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-20 22:27:54,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-12-20 22:27:54,069 INFO L87 Difference]: Start difference. First operand 65 states and 93 transitions. Second operand has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-20 22:27:54,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 22:27:54,876 INFO L93 Difference]: Finished difference Result 126 states and 171 transitions. [2023-12-20 22:27:54,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 22:27:54,876 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 121 [2023-12-20 22:27:54,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 22:27:54,877 INFO L225 Difference]: With dead ends: 126 [2023-12-20 22:27:54,877 INFO L226 Difference]: Without dead ends: 124 [2023-12-20 22:27:54,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=108, Invalid=198, Unknown=0, NotChecked=0, Total=306 [2023-12-20 22:27:54,878 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 119 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 22:27:54,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 314 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 22:27:54,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-12-20 22:27:54,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 64. [2023-12-20 22:27:54,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 40 states have (on average 1.275) internal successors, (51), 40 states have internal predecessors, (51), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-20 22:27:54,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 91 transitions. [2023-12-20 22:27:54,891 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 91 transitions. Word has length 121 [2023-12-20 22:27:54,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 22:27:54,893 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 91 transitions. [2023-12-20 22:27:54,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-20 22:27:54,893 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2023-12-20 22:27:54,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-20 22:27:54,894 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:27:54,894 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 22:27:54,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-20 22:27:54,894 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:27:54,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:27:54,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1371368921, now seen corresponding path program 1 times [2023-12-20 22:27:54,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:27:54,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374075320] [2023-12-20 22:27:54,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:27:54,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:27:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:56,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 22:27:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:56,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 22:27:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:56,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 22:27:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:56,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 22:27:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:56,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 22:27:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:56,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 22:27:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:56,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 22:27:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:56,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 22:27:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:56,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 22:27:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:56,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 22:27:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:56,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 22:27:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:56,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 22:27:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:56,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 22:27:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:56,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 22:27:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:56,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-20 22:27:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:56,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-20 22:27:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:56,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-20 22:27:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:56,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 22:27:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:56,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 22:27:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:56,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-20 22:27:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:56,566 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-20 22:27:56,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 22:27:56,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374075320] [2023-12-20 22:27:56,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374075320] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 22:27:56,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 22:27:56,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-20 22:27:56,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405317327] [2023-12-20 22:27:56,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 22:27:56,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-20 22:27:56,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 22:27:56,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-20 22:27:56,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2023-12-20 22:27:56,567 INFO L87 Difference]: Start difference. First operand 64 states and 91 transitions. Second operand has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-20 22:27:57,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 22:27:57,051 INFO L93 Difference]: Finished difference Result 129 states and 174 transitions. [2023-12-20 22:27:57,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-20 22:27:57,051 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 121 [2023-12-20 22:27:57,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 22:27:57,052 INFO L225 Difference]: With dead ends: 129 [2023-12-20 22:27:57,052 INFO L226 Difference]: Without dead ends: 127 [2023-12-20 22:27:57,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2023-12-20 22:27:57,053 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 145 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 22:27:57,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 251 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 22:27:57,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-12-20 22:27:57,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 62. [2023-12-20 22:27:57,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 38 states have (on average 1.263157894736842) internal successors, (48), 38 states have internal predecessors, (48), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-20 22:27:57,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 88 transitions. [2023-12-20 22:27:57,063 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 88 transitions. Word has length 121 [2023-12-20 22:27:57,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 22:27:57,063 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 88 transitions. [2023-12-20 22:27:57,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-20 22:27:57,063 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 88 transitions. [2023-12-20 22:27:57,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-20 22:27:57,064 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:27:57,064 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 22:27:57,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-20 22:27:57,064 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:27:57,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:27:57,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1371309339, now seen corresponding path program 1 times [2023-12-20 22:27:57,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:27:57,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691260148] [2023-12-20 22:27:57,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:27:57,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:27:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:58,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 22:27:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:58,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 22:27:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:58,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 22:27:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:58,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 22:27:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:58,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 22:27:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:58,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 22:27:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:58,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 22:27:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:58,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 22:27:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:58,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 22:27:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:58,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 22:27:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:58,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 22:27:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:58,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 22:27:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:58,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 22:27:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:58,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 22:27:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:58,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-20 22:27:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:58,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-20 22:27:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:58,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-20 22:27:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:58,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 22:27:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:58,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 22:27:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:58,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-20 22:27:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:58,101 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-20 22:27:58,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 22:27:58,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691260148] [2023-12-20 22:27:58,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691260148] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 22:27:58,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 22:27:58,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-20 22:27:58,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508297662] [2023-12-20 22:27:58,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 22:27:58,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-20 22:27:58,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 22:27:58,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-20 22:27:58,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2023-12-20 22:27:58,102 INFO L87 Difference]: Start difference. First operand 62 states and 88 transitions. Second operand has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-20 22:27:58,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 22:27:58,522 INFO L93 Difference]: Finished difference Result 125 states and 170 transitions. [2023-12-20 22:27:58,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-20 22:27:58,523 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 121 [2023-12-20 22:27:58,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 22:27:58,523 INFO L225 Difference]: With dead ends: 125 [2023-12-20 22:27:58,524 INFO L226 Difference]: Without dead ends: 123 [2023-12-20 22:27:58,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2023-12-20 22:27:58,524 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 131 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 22:27:58,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 252 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 22:27:58,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-12-20 22:27:58,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 62. [2023-12-20 22:27:58,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 38 states have (on average 1.263157894736842) internal successors, (48), 38 states have internal predecessors, (48), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-20 22:27:58,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 88 transitions. [2023-12-20 22:27:58,535 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 88 transitions. Word has length 121 [2023-12-20 22:27:58,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 22:27:58,536 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 88 transitions. [2023-12-20 22:27:58,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-20 22:27:58,536 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 88 transitions. [2023-12-20 22:27:58,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-20 22:27:58,537 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:27:58,537 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 22:27:58,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-20 22:27:58,537 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:27:58,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:27:58,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1428567641, now seen corresponding path program 1 times [2023-12-20 22:27:58,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:27:58,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906685258] [2023-12-20 22:27:58,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:27:58,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:27:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:59,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 22:27:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:59,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 22:27:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:59,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 22:27:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:59,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 22:27:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:59,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 22:27:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:59,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 22:27:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:59,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 22:27:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:59,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 22:27:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:59,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 22:27:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:59,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 22:27:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:59,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 22:27:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:59,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 22:27:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:59,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 22:27:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:59,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 22:27:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:59,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-20 22:27:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:59,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-20 22:27:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:59,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-20 22:27:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:59,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 22:27:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:59,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 22:27:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:59,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-20 22:27:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:27:59,644 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-20 22:27:59,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 22:27:59,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906685258] [2023-12-20 22:27:59,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906685258] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 22:27:59,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 22:27:59,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-20 22:27:59,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529739135] [2023-12-20 22:27:59,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 22:27:59,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-20 22:27:59,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 22:27:59,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-20 22:27:59,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2023-12-20 22:27:59,645 INFO L87 Difference]: Start difference. First operand 62 states and 88 transitions. Second operand has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-20 22:28:00,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 22:28:00,249 INFO L93 Difference]: Finished difference Result 119 states and 163 transitions. [2023-12-20 22:28:00,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-20 22:28:00,249 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 121 [2023-12-20 22:28:00,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 22:28:00,250 INFO L225 Difference]: With dead ends: 119 [2023-12-20 22:28:00,250 INFO L226 Difference]: Without dead ends: 0 [2023-12-20 22:28:00,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2023-12-20 22:28:00,252 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 104 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-20 22:28:00,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 321 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-20 22:28:00,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-20 22:28:00,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-20 22:28:00,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 22:28:00,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-20 22:28:00,253 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 121 [2023-12-20 22:28:00,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 22:28:00,253 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-20 22:28:00,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-20 22:28:00,254 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-20 22:28:00,254 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-20 22:28:00,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-20 22:28:00,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-20 22:28:00,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-20 22:28:01,035 INFO L902 garLoopResultBuilder]: At program point L93(line 93) the Hoare annotation is: true [2023-12-20 22:28:01,035 INFO L902 garLoopResultBuilder]: At program point L93-1(line 93) the Hoare annotation is: true [2023-12-20 22:28:01,035 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2023-12-20 22:28:01,035 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-12-20 22:28:01,035 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-12-20 22:28:01,035 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-12-20 22:28:01,035 INFO L902 garLoopResultBuilder]: At program point L102(line 102) the Hoare annotation is: true [2023-12-20 22:28:01,035 INFO L902 garLoopResultBuilder]: At program point L102-1(line 102) the Hoare annotation is: true [2023-12-20 22:28:01,035 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 71) no Hoare annotation was computed. [2023-12-20 22:28:01,035 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2023-12-20 22:28:01,036 INFO L895 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: (= (+ ~var_1_8~0 (* (div ~var_1_6~0 4294967296) 4294967296)) (+ (* (div ~var_1_8~0 4294967296) 4294967296) ~var_1_6~0)) [2023-12-20 22:28:01,036 INFO L895 garLoopResultBuilder]: At program point L78-1(line 78) the Hoare annotation is: (= (+ ~var_1_8~0 (* (div ~var_1_6~0 4294967296) 4294967296)) (+ (* (div ~var_1_8~0 4294967296) 4294967296) ~var_1_6~0)) [2023-12-20 22:28:01,036 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 57) no Hoare annotation was computed. [2023-12-20 22:28:01,036 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 42 72) no Hoare annotation was computed. [2023-12-20 22:28:01,036 INFO L899 garLoopResultBuilder]: For program point L103(lines 73 104) no Hoare annotation was computed. [2023-12-20 22:28:01,036 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (= (+ ~var_1_8~0 (* (div ~var_1_6~0 4294967296) 4294967296)) (+ (* (div ~var_1_8~0 4294967296) 4294967296) ~var_1_6~0)) [2023-12-20 22:28:01,036 INFO L895 garLoopResultBuilder]: At program point L87-1(line 87) the Hoare annotation is: (= (+ ~var_1_8~0 (* (div ~var_1_6~0 4294967296) 4294967296)) (+ (* (div ~var_1_8~0 4294967296) 4294967296) ~var_1_6~0)) [2023-12-20 22:28:01,036 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2023-12-20 22:28:01,036 INFO L899 garLoopResultBuilder]: For program point L46(lines 46 54) no Hoare annotation was computed. [2023-12-20 22:28:01,036 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-20 22:28:01,036 INFO L902 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: true [2023-12-20 22:28:01,036 INFO L902 garLoopResultBuilder]: At program point L96-1(line 96) the Hoare annotation is: true [2023-12-20 22:28:01,036 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 63 67) no Hoare annotation was computed. [2023-12-20 22:28:01,036 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2023-12-20 22:28:01,036 INFO L899 garLoopResultBuilder]: For program point L47(lines 47 51) no Hoare annotation was computed. [2023-12-20 22:28:01,036 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2023-12-20 22:28:01,036 INFO L895 garLoopResultBuilder]: At program point L81(line 81) the Hoare annotation is: (= (+ ~var_1_8~0 (* (div ~var_1_6~0 4294967296) 4294967296)) (+ (* (div ~var_1_8~0 4294967296) 4294967296) ~var_1_6~0)) [2023-12-20 22:28:01,037 INFO L895 garLoopResultBuilder]: At program point L81-1(line 81) the Hoare annotation is: (= (+ ~var_1_8~0 (* (div ~var_1_6~0 4294967296) 4294967296)) (+ (* (div ~var_1_8~0 4294967296) 4294967296) ~var_1_6~0)) [2023-12-20 22:28:01,037 INFO L902 garLoopResultBuilder]: At program point L90(line 90) the Hoare annotation is: true [2023-12-20 22:28:01,037 INFO L902 garLoopResultBuilder]: At program point L90-1(line 90) the Hoare annotation is: true [2023-12-20 22:28:01,037 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-12-20 22:28:01,037 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2023-12-20 22:28:01,037 INFO L902 garLoopResultBuilder]: At program point L99(line 99) the Hoare annotation is: true [2023-12-20 22:28:01,037 INFO L902 garLoopResultBuilder]: At program point L99-1(line 99) the Hoare annotation is: true [2023-12-20 22:28:01,037 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-20 22:28:01,037 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2023-12-20 22:28:01,037 INFO L899 garLoopResultBuilder]: For program point L58(lines 42 72) no Hoare annotation was computed. [2023-12-20 22:28:01,037 INFO L895 garLoopResultBuilder]: At program point L75(line 75) the Hoare annotation is: (= (+ ~var_1_8~0 (* (div ~var_1_6~0 4294967296) 4294967296)) (+ (* (div ~var_1_8~0 4294967296) 4294967296) ~var_1_6~0)) [2023-12-20 22:28:01,037 INFO L895 garLoopResultBuilder]: At program point L75-1(line 75) the Hoare annotation is: (= (+ ~var_1_8~0 (* (div ~var_1_6~0 4294967296) 4294967296)) (+ (* (div ~var_1_8~0 4294967296) 4294967296) ~var_1_6~0)) [2023-12-20 22:28:01,037 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 72) no Hoare annotation was computed. [2023-12-20 22:28:01,037 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2023-12-20 22:28:01,037 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 61) no Hoare annotation was computed. [2023-12-20 22:28:01,037 INFO L895 garLoopResultBuilder]: At program point L84(line 84) the Hoare annotation is: (= (+ ~var_1_8~0 (* (div ~var_1_6~0 4294967296) 4294967296)) (+ (* (div ~var_1_8~0 4294967296) 4294967296) ~var_1_6~0)) [2023-12-20 22:28:01,037 INFO L895 garLoopResultBuilder]: At program point L84-1(line 84) the Hoare annotation is: (= (+ ~var_1_8~0 (* (div ~var_1_6~0 4294967296) 4294967296)) (+ (* (div ~var_1_8~0 4294967296) 4294967296) ~var_1_6~0)) [2023-12-20 22:28:01,037 INFO L895 garLoopResultBuilder]: At program point L117-2(lines 117 123) the Hoare annotation is: (= (+ ~var_1_8~0 (* (div ~var_1_6~0 4294967296) 4294967296)) (+ (* (div ~var_1_8~0 4294967296) 4294967296) ~var_1_6~0)) [2023-12-20 22:28:01,037 INFO L899 garLoopResultBuilder]: For program point L117-3(lines 117 123) no Hoare annotation was computed. [2023-12-20 22:28:01,038 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2023-12-20 22:28:01,038 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-12-20 22:28:01,038 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-12-20 22:28:01,038 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-12-20 22:28:01,038 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-12-20 22:28:01,040 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 22:28:01,041 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-20 22:28:01,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.12 10:28:01 BoogieIcfgContainer [2023-12-20 22:28:01,051 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-20 22:28:01,052 INFO L158 Benchmark]: Toolchain (without parser) took 22093.91ms. Allocated memory was 208.7MB in the beginning and 612.4MB in the end (delta: 403.7MB). Free memory was 171.0MB in the beginning and 367.3MB in the end (delta: -196.3MB). Peak memory consumption was 357.6MB. Max. memory is 8.0GB. [2023-12-20 22:28:01,052 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 208.7MB. Free memory is still 165.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-20 22:28:01,052 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.11ms. Allocated memory is still 208.7MB. Free memory was 170.8MB in the beginning and 157.9MB in the end (delta: 13.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-20 22:28:01,052 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.76ms. Allocated memory is still 208.7MB. Free memory was 157.9MB in the beginning and 155.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-20 22:28:01,052 INFO L158 Benchmark]: Boogie Preprocessor took 41.42ms. Allocated memory is still 208.7MB. Free memory was 155.4MB in the beginning and 153.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-20 22:28:01,052 INFO L158 Benchmark]: RCFGBuilder took 342.28ms. Allocated memory is still 208.7MB. Free memory was 153.0MB in the beginning and 135.2MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-20 22:28:01,053 INFO L158 Benchmark]: TraceAbstraction took 21423.31ms. Allocated memory was 208.7MB in the beginning and 612.4MB in the end (delta: 403.7MB). Free memory was 134.5MB in the beginning and 367.3MB in the end (delta: -232.8MB). Peak memory consumption was 320.9MB. Max. memory is 8.0GB. [2023-12-20 22:28:01,053 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 208.7MB. Free memory is still 165.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 220.11ms. Allocated memory is still 208.7MB. Free memory was 170.8MB in the beginning and 157.9MB in the end (delta: 13.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.76ms. Allocated memory is still 208.7MB. Free memory was 157.9MB in the beginning and 155.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 41.42ms. Allocated memory is still 208.7MB. Free memory was 155.4MB in the beginning and 153.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 342.28ms. Allocated memory is still 208.7MB. Free memory was 153.0MB in the beginning and 135.2MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 21423.31ms. Allocated memory was 208.7MB in the beginning and 612.4MB in the end (delta: 403.7MB). Free memory was 134.5MB in the beginning and 367.3MB in the end (delta: -232.8MB). Peak memory consumption was 320.9MB. 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.4s, OverallIterations: 10, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 964 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 964 mSDsluCounter, 2683 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1748 mSDsCounter, 147 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1719 IncrementalHoareTripleChecker+Invalid, 1866 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 147 mSolverCounterUnsat, 935 mSDtfsCounter, 1719 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 562 GetRequests, 459 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred in iteration=4, InterpolantAutomatonStates: 108, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 313 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 79 PreInvPairs, 122 NumberOfFragments, 176 HoareAnnotationTreeSize, 79 FormulaSimplifications, 21337882 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 22 FormulaSimplificationsInter, 39099 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 14.7s InterpolantComputationTime, 1205 NumberOfCodeBlocks, 1205 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1195 ConstructedInterpolants, 0 QuantifiedInterpolants, 9268 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 7600/7600 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: ((var_1_8 + ((var_1_6 / 4294967296) * 4294967296)) == (((var_1_8 / 4294967296) * 4294967296) + var_1_6)) RESULT: Ultimate proved your program to be correct! [2023-12-20 22:28:01,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...