/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-90.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 11:08:07,911 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 11:08:07,950 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 11:08:07,952 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 11:08:07,953 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 11:08:07,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 11:08:07,967 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 11:08:07,967 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 11:08:07,968 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 11:08:07,968 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 11:08:07,968 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 11:08:07,968 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 11:08:07,969 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 11:08:07,969 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 11:08:07,969 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 11:08:07,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 11:08:07,970 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 11:08:07,970 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 11:08:07,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 11:08:07,971 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 11:08:07,971 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 11:08:07,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 11:08:07,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 11:08:07,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 11:08:07,972 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 11:08:07,972 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 11:08:07,972 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 11:08:07,973 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 11:08:07,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 11:08:07,973 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 11:08:07,973 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 11:08:07,973 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 11:08:07,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 11:08:07,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 11:08:07,974 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 11:08:07,974 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 11:08:07,975 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 11:08:07,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 11:08:07,975 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 11:08:07,975 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 11:08:07,975 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 11:08:07,976 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 11:08:07,976 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 11:08:07,976 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 11:08:08,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 11:08:08,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 11:08:08,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 11:08:08,135 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 11:08:08,135 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 11:08:08,136 INFO L431 ainManager$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 [2023-12-19 11:08:09,136 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 11:08:09,337 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 11:08:09,338 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-90.i [2023-12-19 11:08:09,350 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9d507a78/bc44ec067edc498eacc7b327666d9d81/FLAG083f015ad [2023-12-19 11:08:09,366 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9d507a78/bc44ec067edc498eacc7b327666d9d81 [2023-12-19 11:08:09,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 11:08:09,370 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 11:08:09,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 11:08:09,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 11:08:09,376 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 11:08:09,377 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 11:08:09" (1/1) ... [2023-12-19 11:08:09,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5230c5aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:08:09, skipping insertion in model container [2023-12-19 11:08:09,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 11:08:09" (1/1) ... [2023-12-19 11:08:09,399 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 11:08:09,493 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] [2023-12-19 11:08:09,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 11:08:09,531 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 11:08:09,539 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] [2023-12-19 11:08:09,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 11:08:09,572 INFO L206 MainTranslator]: Completed translation [2023-12-19 11:08:09,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:08:09 WrapperNode [2023-12-19 11:08:09,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 11:08:09,573 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 11:08:09,573 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 11:08:09,574 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 11:08:09,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:08:09" (1/1) ... [2023-12-19 11:08:09,584 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:08:09" (1/1) ... [2023-12-19 11:08:09,602 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 127 [2023-12-19 11:08:09,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 11:08:09,603 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 11:08:09,603 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 11:08:09,603 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 11:08:09,610 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:08:09" (1/1) ... [2023-12-19 11:08:09,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:08:09" (1/1) ... [2023-12-19 11:08:09,611 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:08:09" (1/1) ... [2023-12-19 11:08:09,633 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]. [2023-12-19 11:08:09,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:08:09" (1/1) ... [2023-12-19 11:08:09,633 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:08:09" (1/1) ... [2023-12-19 11:08:09,637 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:08:09" (1/1) ... [2023-12-19 11:08:09,639 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:08:09" (1/1) ... [2023-12-19 11:08:09,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:08:09" (1/1) ... [2023-12-19 11:08:09,641 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:08:09" (1/1) ... [2023-12-19 11:08:09,642 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 11:08:09,643 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 11:08:09,643 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 11:08:09,643 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 11:08:09,643 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:08:09" (1/1) ... [2023-12-19 11:08:09,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 11:08:09,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 11:08:09,666 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) [2023-12-19 11:08:09,684 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 [2023-12-19 11:08:09,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 11:08:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-19 11:08:09,695 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-19 11:08:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 11:08:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 11:08:09,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 11:08:09,779 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 11:08:09,781 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 11:08:09,959 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 11:08:09,992 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 11:08:09,992 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 11:08:09,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 11:08:09 BoogieIcfgContainer [2023-12-19 11:08:09,993 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 11:08:09,994 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 11:08:09,995 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 11:08:09,997 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 11:08:09,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 11:08:09" (1/3) ... [2023-12-19 11:08:09,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c17f298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 11:08:09, skipping insertion in model container [2023-12-19 11:08:09,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:08:09" (2/3) ... [2023-12-19 11:08:09,998 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c17f298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 11:08:09, skipping insertion in model container [2023-12-19 11:08:09,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 11:08:09" (3/3) ... [2023-12-19 11:08:09,999 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-90.i [2023-12-19 11:08:10,011 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 11:08:10,011 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 11:08:10,043 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 11:08:10,047 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;@2ad9a038, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 11:08:10,048 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 11:08:10,051 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) [2023-12-19 11:08:10,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-19 11:08:10,060 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 11:08:10,060 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] [2023-12-19 11:08:10,060 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 11:08:10,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 11:08:10,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1356584365, now seen corresponding path program 1 times [2023-12-19 11:08:10,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 11:08:10,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866482158] [2023-12-19 11:08:10,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 11:08:10,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 11:08:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:10,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 11:08:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:10,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 11:08:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:10,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 11:08:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:10,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 11:08:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:10,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 11:08:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:10,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 11:08:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:10,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 11:08:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:10,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-19 11:08:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:10,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 11:08:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:10,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-19 11:08:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:10,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-19 11:08:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:10,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 11:08:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:10,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 11:08:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:10,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 11:08:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:10,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-19 11:08:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:10,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 11:08:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:10,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 11:08:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:10,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 11:08:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:10,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 11:08:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:10,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 11:08:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:10,406 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-19 11:08:10,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 11:08:10,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866482158] [2023-12-19 11:08:10,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866482158] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 11:08:10,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 11:08:10,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 11:08:10,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073304141] [2023-12-19 11:08:10,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 11:08:10,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 11:08:10,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 11:08:10,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 11:08:10,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 11:08:10,444 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) [2023-12-19 11:08:10,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 11:08:10,479 INFO L93 Difference]: Finished difference Result 99 states and 178 transitions. [2023-12-19 11:08:10,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 11:08:10,482 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 [2023-12-19 11:08:10,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 11:08:10,488 INFO L225 Difference]: With dead ends: 99 [2023-12-19 11:08:10,488 INFO L226 Difference]: Without dead ends: 49 [2023-12-19 11:08:10,492 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 [2023-12-19 11:08:10,495 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 [2023-12-19 11:08:10,495 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] [2023-12-19 11:08:10,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-12-19 11:08:10,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-12-19 11:08:10,531 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) [2023-12-19 11:08:10,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 75 transitions. [2023-12-19 11:08:10,537 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 75 transitions. Word has length 120 [2023-12-19 11:08:10,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 11:08:10,537 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 75 transitions. [2023-12-19 11:08:10,538 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) [2023-12-19 11:08:10,538 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 75 transitions. [2023-12-19 11:08:10,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-19 11:08:10,544 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 11:08:10,545 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] [2023-12-19 11:08:10,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-19 11:08:10,545 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 11:08:10,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 11:08:10,546 INFO L85 PathProgramCache]: Analyzing trace with hash -997376595, now seen corresponding path program 1 times [2023-12-19 11:08:10,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 11:08:10,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424853750] [2023-12-19 11:08:10,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 11:08:10,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 11:08:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:14,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 11:08:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:14,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 11:08:14,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:14,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 11:08:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:14,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 11:08:14,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:14,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 11:08:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:14,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 11:08:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:14,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 11:08:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:14,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-19 11:08:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:14,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 11:08:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:14,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-19 11:08:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:14,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-19 11:08:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:14,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 11:08:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:14,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 11:08:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:14,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 11:08:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:14,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-19 11:08:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:14,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 11:08:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:14,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 11:08:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:14,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 11:08:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:14,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 11:08:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:14,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 11:08:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:14,105 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-19 11:08:14,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 11:08:14,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424853750] [2023-12-19 11:08:14,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424853750] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 11:08:14,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 11:08:14,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-19 11:08:14,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344457269] [2023-12-19 11:08:14,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 11:08:14,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-19 11:08:14,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 11:08:14,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-19 11:08:14,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-12-19 11:08:14,115 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) [2023-12-19 11:08:14,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 11:08:14,643 INFO L93 Difference]: Finished difference Result 95 states and 132 transitions. [2023-12-19 11:08:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-19 11:08:14,644 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 [2023-12-19 11:08:14,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 11:08:14,646 INFO L225 Difference]: With dead ends: 95 [2023-12-19 11:08:14,646 INFO L226 Difference]: Without dead ends: 93 [2023-12-19 11:08:14,646 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 [2023-12-19 11:08:14,647 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, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 11:08:14,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 304 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 11:08:14,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-12-19 11:08:14,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 82. [2023-12-19 11:08:14,661 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) [2023-12-19 11:08:14,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 120 transitions. [2023-12-19 11:08:14,662 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 120 transitions. Word has length 120 [2023-12-19 11:08:14,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 11:08:14,663 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 120 transitions. [2023-12-19 11:08:14,663 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) [2023-12-19 11:08:14,663 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 120 transitions. [2023-12-19 11:08:14,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-19 11:08:14,664 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 11:08:14,665 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] [2023-12-19 11:08:14,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-19 11:08:14,665 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 11:08:14,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 11:08:14,665 INFO L85 PathProgramCache]: Analyzing trace with hash -997317013, now seen corresponding path program 1 times [2023-12-19 11:08:14,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 11:08:14,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375545974] [2023-12-19 11:08:14,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 11:08:14,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 11:08:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:15,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 11:08:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:15,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 11:08:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:15,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 11:08:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:15,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 11:08:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:15,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 11:08:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:15,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 11:08:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:15,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 11:08:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:15,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-19 11:08:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:15,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 11:08:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:15,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-19 11:08:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:15,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-19 11:08:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:15,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 11:08:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:15,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 11:08:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:15,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 11:08:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:15,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-19 11:08:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:15,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 11:08:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:15,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 11:08:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:15,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 11:08:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:15,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 11:08:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:15,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 11:08:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:15,765 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-19 11:08:15,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 11:08:15,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375545974] [2023-12-19 11:08:15,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375545974] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 11:08:15,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 11:08:15,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-19 11:08:15,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275343468] [2023-12-19 11:08:15,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 11:08:15,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-19 11:08:15,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 11:08:15,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-19 11:08:15,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-12-19 11:08:15,767 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) [2023-12-19 11:08:16,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 11:08:16,181 INFO L93 Difference]: Finished difference Result 93 states and 130 transitions. [2023-12-19 11:08:16,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-19 11:08:16,182 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 [2023-12-19 11:08:16,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 11:08:16,183 INFO L225 Difference]: With dead ends: 93 [2023-12-19 11:08:16,183 INFO L226 Difference]: Without dead ends: 91 [2023-12-19 11:08:16,183 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 [2023-12-19 11:08:16,184 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 [2023-12-19 11:08:16,184 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] [2023-12-19 11:08:16,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-12-19 11:08:16,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 82. [2023-12-19 11:08:16,248 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) [2023-12-19 11:08:16,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 120 transitions. [2023-12-19 11:08:16,250 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 120 transitions. Word has length 120 [2023-12-19 11:08:16,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 11:08:16,251 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 120 transitions. [2023-12-19 11:08:16,251 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) [2023-12-19 11:08:16,251 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 120 transitions. [2023-12-19 11:08:16,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-19 11:08:16,252 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 11:08:16,252 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] [2023-12-19 11:08:16,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-19 11:08:16,252 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 11:08:16,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 11:08:16,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1054634897, now seen corresponding path program 1 times [2023-12-19 11:08:16,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 11:08:16,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945670517] [2023-12-19 11:08:16,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 11:08:16,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 11:08:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:18,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 11:08:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:18,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 11:08:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:18,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 11:08:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:18,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 11:08:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:18,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 11:08:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:18,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 11:08:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:18,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 11:08:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:18,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-19 11:08:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:18,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 11:08:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:18,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-19 11:08:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:18,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-19 11:08:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:18,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 11:08:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:18,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 11:08:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:18,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 11:08:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:18,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-19 11:08:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:18,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 11:08:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:18,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 11:08:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:18,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 11:08:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:18,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 11:08:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:18,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 11:08:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:18,546 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-19 11:08:18,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 11:08:18,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945670517] [2023-12-19 11:08:18,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945670517] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 11:08:18,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 11:08:18,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-19 11:08:18,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618231076] [2023-12-19 11:08:18,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 11:08:18,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-19 11:08:18,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 11:08:18,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-19 11:08:18,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-12-19 11:08:18,550 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) [2023-12-19 11:08:19,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 11:08:19,121 INFO L93 Difference]: Finished difference Result 123 states and 169 transitions. [2023-12-19 11:08:19,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-19 11:08:19,122 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 [2023-12-19 11:08:19,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 11:08:19,134 INFO L225 Difference]: With dead ends: 123 [2023-12-19 11:08:19,134 INFO L226 Difference]: Without dead ends: 121 [2023-12-19 11:08:19,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2023-12-19 11:08:19,135 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 [2023-12-19 11:08:19,136 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] [2023-12-19 11:08:19,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-12-19 11:08:19,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 106. [2023-12-19 11:08:19,178 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) [2023-12-19 11:08:19,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 151 transitions. [2023-12-19 11:08:19,179 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 151 transitions. Word has length 120 [2023-12-19 11:08:19,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 11:08:19,179 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 151 transitions. [2023-12-19 11:08:19,180 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) [2023-12-19 11:08:19,180 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 151 transitions. [2023-12-19 11:08:19,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-19 11:08:19,181 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 11:08:19,181 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] [2023-12-19 11:08:19,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-19 11:08:19,181 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 11:08:19,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 11:08:19,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1054575315, now seen corresponding path program 1 times [2023-12-19 11:08:19,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 11:08:19,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171251273] [2023-12-19 11:08:19,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 11:08:19,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 11:08:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:20,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 11:08:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:20,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 11:08:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:20,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 11:08:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:20,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 11:08:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:20,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 11:08:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:20,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 11:08:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:20,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 11:08:20,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:20,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-19 11:08:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:20,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 11:08:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:20,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-19 11:08:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:20,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-19 11:08:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:20,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 11:08:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:20,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 11:08:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:20,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 11:08:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:20,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-19 11:08:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:20,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 11:08:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:20,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 11:08:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:20,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 11:08:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:20,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 11:08:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:20,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 11:08:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:20,727 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-19 11:08:20,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 11:08:20,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171251273] [2023-12-19 11:08:20,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171251273] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 11:08:20,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 11:08:20,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-19 11:08:20,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348269672] [2023-12-19 11:08:20,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 11:08:20,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-19 11:08:20,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 11:08:20,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-19 11:08:20,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-12-19 11:08:20,730 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) [2023-12-19 11:08:21,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 11:08:21,203 INFO L93 Difference]: Finished difference Result 115 states and 159 transitions. [2023-12-19 11:08:21,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-19 11:08:21,203 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 [2023-12-19 11:08:21,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 11:08:21,205 INFO L225 Difference]: With dead ends: 115 [2023-12-19 11:08:21,205 INFO L226 Difference]: Without dead ends: 113 [2023-12-19 11:08:21,205 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 [2023-12-19 11:08:21,206 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, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 11:08:21,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 280 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 11:08:21,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-12-19 11:08:21,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 102. [2023-12-19 11:08:21,233 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) [2023-12-19 11:08:21,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 145 transitions. [2023-12-19 11:08:21,234 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 145 transitions. Word has length 120 [2023-12-19 11:08:21,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 11:08:21,235 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 145 transitions. [2023-12-19 11:08:21,235 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) [2023-12-19 11:08:21,235 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 145 transitions. [2023-12-19 11:08:21,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-19 11:08:21,237 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 11:08:21,237 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] [2023-12-19 11:08:21,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-19 11:08:21,238 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 11:08:21,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 11:08:21,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1148591013, now seen corresponding path program 1 times [2023-12-19 11:08:21,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 11:08:21,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787196771] [2023-12-19 11:08:21,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 11:08:21,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 11:08:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:23,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 11:08:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:23,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 11:08:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:23,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 11:08:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:23,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 11:08:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:23,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 11:08:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:23,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 11:08:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:23,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 11:08:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:23,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-19 11:08:23,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:23,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 11:08:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:23,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-19 11:08:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:23,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-19 11:08:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:23,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 11:08:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:23,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 11:08:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:23,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 11:08:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:23,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-19 11:08:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:23,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 11:08:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:23,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 11:08:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:23,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 11:08:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:23,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 11:08:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:23,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 11:08:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:23,804 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-19 11:08:23,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 11:08:23,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787196771] [2023-12-19 11:08:23,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787196771] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 11:08:23,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 11:08:23,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-19 11:08:23,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007109285] [2023-12-19 11:08:23,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 11:08:23,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 11:08:23,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 11:08:23,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 11:08:23,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-12-19 11:08:23,807 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) [2023-12-19 11:08:24,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 11:08:24,691 INFO L93 Difference]: Finished difference Result 148 states and 201 transitions. [2023-12-19 11:08:24,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-19 11:08:24,691 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 [2023-12-19 11:08:24,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 11:08:24,692 INFO L225 Difference]: With dead ends: 148 [2023-12-19 11:08:24,692 INFO L226 Difference]: Without dead ends: 146 [2023-12-19 11:08:24,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2023-12-19 11:08:24,693 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, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 11:08:24,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 331 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 11:08:24,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-12-19 11:08:24,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 65. [2023-12-19 11:08:24,704 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) [2023-12-19 11:08:24,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 93 transitions. [2023-12-19 11:08:24,704 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 93 transitions. Word has length 121 [2023-12-19 11:08:24,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 11:08:24,705 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 93 transitions. [2023-12-19 11:08:24,705 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) [2023-12-19 11:08:24,705 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2023-12-19 11:08:24,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-19 11:08:24,706 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 11:08:24,706 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] [2023-12-19 11:08:24,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-19 11:08:24,706 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 11:08:24,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 11:08:24,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1091392293, now seen corresponding path program 1 times [2023-12-19 11:08:24,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 11:08:24,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753234875] [2023-12-19 11:08:24,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 11:08:24,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 11:08:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:25,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 11:08:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:25,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 11:08:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:25,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 11:08:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:25,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 11:08:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:25,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 11:08:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:25,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 11:08:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:25,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 11:08:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:25,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-19 11:08:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:25,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 11:08:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:25,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-19 11:08:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:25,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-19 11:08:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:25,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 11:08:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:25,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 11:08:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:25,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 11:08:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:25,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-19 11:08:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:25,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 11:08:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:25,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 11:08:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:25,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 11:08:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:25,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 11:08:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:25,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 11:08:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:25,871 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-19 11:08:25,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 11:08:25,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753234875] [2023-12-19 11:08:25,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753234875] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 11:08:25,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 11:08:25,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-19 11:08:25,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643032040] [2023-12-19 11:08:25,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 11:08:25,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 11:08:25,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 11:08:25,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 11:08:25,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-12-19 11:08:25,873 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) [2023-12-19 11:08:26,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 11:08:26,667 INFO L93 Difference]: Finished difference Result 126 states and 171 transitions. [2023-12-19 11:08:26,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-19 11:08:26,667 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 [2023-12-19 11:08:26,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 11:08:26,669 INFO L225 Difference]: With dead ends: 126 [2023-12-19 11:08:26,669 INFO L226 Difference]: Without dead ends: 124 [2023-12-19 11:08:26,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=108, Invalid=198, Unknown=0, NotChecked=0, Total=306 [2023-12-19 11:08:26,670 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 [2023-12-19 11:08:26,670 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] [2023-12-19 11:08:26,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-12-19 11:08:26,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 64. [2023-12-19 11:08:26,681 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) [2023-12-19 11:08:26,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 91 transitions. [2023-12-19 11:08:26,681 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 91 transitions. Word has length 121 [2023-12-19 11:08:26,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 11:08:26,682 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 91 transitions. [2023-12-19 11:08:26,682 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) [2023-12-19 11:08:26,682 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2023-12-19 11:08:26,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-19 11:08:26,683 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 11:08:26,683 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] [2023-12-19 11:08:26,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-19 11:08:26,683 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 11:08:26,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 11:08:26,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1371368921, now seen corresponding path program 1 times [2023-12-19 11:08:26,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 11:08:26,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492781757] [2023-12-19 11:08:26,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 11:08:26,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 11:08:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:28,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 11:08:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:28,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 11:08:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:28,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 11:08:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:28,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 11:08:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:28,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 11:08:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:28,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 11:08:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:28,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 11:08:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:28,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-19 11:08:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:28,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 11:08:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:28,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-19 11:08:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:28,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-19 11:08:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:28,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 11:08:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:28,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 11:08:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:28,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 11:08:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:28,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-19 11:08:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:28,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 11:08:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:28,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 11:08:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:28,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 11:08:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:28,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 11:08:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:28,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 11:08:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:28,488 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-19 11:08:28,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 11:08:28,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492781757] [2023-12-19 11:08:28,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492781757] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 11:08:28,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 11:08:28,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-19 11:08:28,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143510498] [2023-12-19 11:08:28,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 11:08:28,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 11:08:28,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 11:08:28,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 11:08:28,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2023-12-19 11:08:28,490 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) [2023-12-19 11:08:28,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 11:08:28,977 INFO L93 Difference]: Finished difference Result 129 states and 174 transitions. [2023-12-19 11:08:28,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-19 11:08:28,977 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 [2023-12-19 11:08:28,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 11:08:28,978 INFO L225 Difference]: With dead ends: 129 [2023-12-19 11:08:28,979 INFO L226 Difference]: Without dead ends: 127 [2023-12-19 11:08:28,979 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 [2023-12-19 11:08:28,980 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 [2023-12-19 11:08:28,982 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] [2023-12-19 11:08:28,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-12-19 11:08:28,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 62. [2023-12-19 11:08:28,999 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) [2023-12-19 11:08:29,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 88 transitions. [2023-12-19 11:08:29,002 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 88 transitions. Word has length 121 [2023-12-19 11:08:29,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 11:08:29,003 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 88 transitions. [2023-12-19 11:08:29,003 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) [2023-12-19 11:08:29,003 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 88 transitions. [2023-12-19 11:08:29,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-19 11:08:29,003 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 11:08:29,004 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] [2023-12-19 11:08:29,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-19 11:08:29,004 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 11:08:29,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 11:08:29,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1371309339, now seen corresponding path program 1 times [2023-12-19 11:08:29,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 11:08:29,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847224033] [2023-12-19 11:08:29,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 11:08:29,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 11:08:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:30,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 11:08:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:30,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 11:08:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:30,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 11:08:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:30,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 11:08:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:30,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 11:08:30,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:30,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 11:08:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:30,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 11:08:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:30,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-19 11:08:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:30,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 11:08:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:30,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-19 11:08:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:30,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-19 11:08:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:30,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 11:08:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:30,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 11:08:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:30,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 11:08:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:30,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-19 11:08:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:30,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 11:08:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:30,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 11:08:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:30,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 11:08:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:30,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 11:08:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:30,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 11:08:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:30,124 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-19 11:08:30,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 11:08:30,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847224033] [2023-12-19 11:08:30,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847224033] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 11:08:30,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 11:08:30,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-19 11:08:30,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764440646] [2023-12-19 11:08:30,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 11:08:30,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 11:08:30,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 11:08:30,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 11:08:30,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2023-12-19 11:08:30,126 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) [2023-12-19 11:08:30,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 11:08:30,582 INFO L93 Difference]: Finished difference Result 125 states and 170 transitions. [2023-12-19 11:08:30,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-19 11:08:30,582 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 [2023-12-19 11:08:30,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 11:08:30,583 INFO L225 Difference]: With dead ends: 125 [2023-12-19 11:08:30,583 INFO L226 Difference]: Without dead ends: 123 [2023-12-19 11:08:30,584 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 [2023-12-19 11:08:30,586 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 [2023-12-19 11:08:30,586 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] [2023-12-19 11:08:30,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-12-19 11:08:30,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 62. [2023-12-19 11:08:30,618 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) [2023-12-19 11:08:30,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 88 transitions. [2023-12-19 11:08:30,619 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 88 transitions. Word has length 121 [2023-12-19 11:08:30,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 11:08:30,619 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 88 transitions. [2023-12-19 11:08:30,619 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) [2023-12-19 11:08:30,619 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 88 transitions. [2023-12-19 11:08:30,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-19 11:08:30,620 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 11:08:30,621 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] [2023-12-19 11:08:30,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-19 11:08:30,621 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 11:08:30,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 11:08:30,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1428567641, now seen corresponding path program 1 times [2023-12-19 11:08:30,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 11:08:30,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204159300] [2023-12-19 11:08:30,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 11:08:30,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 11:08:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:31,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 11:08:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:31,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 11:08:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:31,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 11:08:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:31,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 11:08:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:31,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 11:08:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:31,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 11:08:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:31,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 11:08:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:31,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-19 11:08:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:31,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 11:08:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:31,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-19 11:08:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:31,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-19 11:08:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:31,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 11:08:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:31,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 11:08:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:31,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 11:08:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:31,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-19 11:08:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:31,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 11:08:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:31,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 11:08:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:31,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 11:08:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:31,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 11:08:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:31,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 11:08:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:08:31,800 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-19 11:08:31,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 11:08:31,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204159300] [2023-12-19 11:08:31,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204159300] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 11:08:31,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 11:08:31,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-19 11:08:31,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82274392] [2023-12-19 11:08:31,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 11:08:31,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 11:08:31,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 11:08:31,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 11:08:31,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2023-12-19 11:08:31,802 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) [2023-12-19 11:08:32,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 11:08:32,341 INFO L93 Difference]: Finished difference Result 119 states and 163 transitions. [2023-12-19 11:08:32,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-19 11:08:32,342 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 [2023-12-19 11:08:32,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 11:08:32,342 INFO L225 Difference]: With dead ends: 119 [2023-12-19 11:08:32,342 INFO L226 Difference]: Without dead ends: 0 [2023-12-19 11:08:32,343 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 [2023-12-19 11:08:32,343 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, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 11:08:32,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 321 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 11:08:32,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-19 11:08:32,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-19 11:08:32,344 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) [2023-12-19 11:08:32,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-19 11:08:32,344 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 121 [2023-12-19 11:08:32,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 11:08:32,344 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-19 11:08:32,344 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) [2023-12-19 11:08:32,345 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-19 11:08:32,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-19 11:08:32,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 11:08:32,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-19 11:08:32,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-19 11:08:33,203 INFO L902 garLoopResultBuilder]: At program point L93(line 93) the Hoare annotation is: true [2023-12-19 11:08:33,203 INFO L902 garLoopResultBuilder]: At program point L93-1(line 93) the Hoare annotation is: true [2023-12-19 11:08:33,203 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2023-12-19 11:08:33,203 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-12-19 11:08:33,203 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-12-19 11:08:33,203 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-12-19 11:08:33,203 INFO L902 garLoopResultBuilder]: At program point L102(line 102) the Hoare annotation is: true [2023-12-19 11:08:33,203 INFO L902 garLoopResultBuilder]: At program point L102-1(line 102) the Hoare annotation is: true [2023-12-19 11:08:33,203 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 71) no Hoare annotation was computed. [2023-12-19 11:08:33,203 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2023-12-19 11:08:33,204 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)) [2023-12-19 11:08:33,204 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)) [2023-12-19 11:08:33,204 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 57) no Hoare annotation was computed. [2023-12-19 11:08:33,204 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 42 72) no Hoare annotation was computed. [2023-12-19 11:08:33,204 INFO L899 garLoopResultBuilder]: For program point L103(lines 73 104) no Hoare annotation was computed. [2023-12-19 11:08:33,204 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)) [2023-12-19 11:08:33,204 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)) [2023-12-19 11:08:33,204 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2023-12-19 11:08:33,204 INFO L899 garLoopResultBuilder]: For program point L46(lines 46 54) no Hoare annotation was computed. [2023-12-19 11:08:33,204 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-19 11:08:33,204 INFO L902 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: true [2023-12-19 11:08:33,204 INFO L902 garLoopResultBuilder]: At program point L96-1(line 96) the Hoare annotation is: true [2023-12-19 11:08:33,204 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 63 67) no Hoare annotation was computed. [2023-12-19 11:08:33,204 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2023-12-19 11:08:33,204 INFO L899 garLoopResultBuilder]: For program point L47(lines 47 51) no Hoare annotation was computed. [2023-12-19 11:08:33,204 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2023-12-19 11:08:33,205 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)) [2023-12-19 11:08:33,205 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)) [2023-12-19 11:08:33,205 INFO L902 garLoopResultBuilder]: At program point L90(line 90) the Hoare annotation is: true [2023-12-19 11:08:33,205 INFO L902 garLoopResultBuilder]: At program point L90-1(line 90) the Hoare annotation is: true [2023-12-19 11:08:33,205 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-12-19 11:08:33,205 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2023-12-19 11:08:33,205 INFO L902 garLoopResultBuilder]: At program point L99(line 99) the Hoare annotation is: true [2023-12-19 11:08:33,205 INFO L902 garLoopResultBuilder]: At program point L99-1(line 99) the Hoare annotation is: true [2023-12-19 11:08:33,205 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-19 11:08:33,205 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2023-12-19 11:08:33,205 INFO L899 garLoopResultBuilder]: For program point L58(lines 42 72) no Hoare annotation was computed. [2023-12-19 11:08:33,205 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)) [2023-12-19 11:08:33,205 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)) [2023-12-19 11:08:33,205 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 72) no Hoare annotation was computed. [2023-12-19 11:08:33,205 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2023-12-19 11:08:33,205 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 61) no Hoare annotation was computed. [2023-12-19 11:08:33,206 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)) [2023-12-19 11:08:33,206 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)) [2023-12-19 11:08:33,206 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)) [2023-12-19 11:08:33,206 INFO L899 garLoopResultBuilder]: For program point L117-3(lines 117 123) no Hoare annotation was computed. [2023-12-19 11:08:33,206 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2023-12-19 11:08:33,206 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-12-19 11:08:33,206 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-12-19 11:08:33,206 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-12-19 11:08:33,206 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-12-19 11:08:33,208 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 11:08:33,209 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 11:08:33,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 11:08:33 BoogieIcfgContainer [2023-12-19 11:08:33,229 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 11:08:33,229 INFO L158 Benchmark]: Toolchain (without parser) took 23859.40ms. Allocated memory was 237.0MB in the beginning and 803.2MB in the end (delta: 566.2MB). Free memory was 184.4MB in the beginning and 595.6MB in the end (delta: -411.1MB). Peak memory consumption was 465.2MB. Max. memory is 8.0GB. [2023-12-19 11:08:33,229 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 237.0MB. Free memory is still 188.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 11:08:33,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.39ms. Allocated memory is still 237.0MB. Free memory was 184.0MB in the beginning and 171.3MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-19 11:08:33,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.87ms. Allocated memory is still 237.0MB. Free memory was 171.3MB in the beginning and 168.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-19 11:08:33,230 INFO L158 Benchmark]: Boogie Preprocessor took 39.63ms. Allocated memory is still 237.0MB. Free memory was 168.9MB in the beginning and 166.2MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-19 11:08:33,230 INFO L158 Benchmark]: RCFGBuilder took 349.94ms. Allocated memory is still 237.0MB. Free memory was 166.2MB in the beginning and 148.4MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-19 11:08:33,230 INFO L158 Benchmark]: TraceAbstraction took 23234.33ms. Allocated memory was 237.0MB in the beginning and 803.2MB in the end (delta: 566.2MB). Free memory was 147.9MB in the beginning and 595.6MB in the end (delta: -447.6MB). Peak memory consumption was 428.5MB. Max. memory is 8.0GB. [2023-12-19 11:08:33,231 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 237.0MB. Free memory is still 188.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 201.39ms. Allocated memory is still 237.0MB. Free memory was 184.0MB in the beginning and 171.3MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.87ms. Allocated memory is still 237.0MB. Free memory was 171.3MB in the beginning and 168.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.63ms. Allocated memory is still 237.0MB. Free memory was 168.9MB in the beginning and 166.2MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 349.94ms. Allocated memory is still 237.0MB. Free memory was 166.2MB in the beginning and 148.4MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 23234.33ms. Allocated memory was 237.0MB in the beginning and 803.2MB in the end (delta: 566.2MB). Free memory was 147.9MB in the beginning and 595.6MB in the end (delta: -447.6MB). Peak memory consumption was 428.5MB. 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: 23.2s, OverallIterations: 10, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 964 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 964 mSDsluCounter, 2683 SdHoareTripleChecker+Invalid, 2.2s 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, 5.2s 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: 0.3s 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, 16.2s 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! [2023-12-19 11:08:33,274 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...