/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-74.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 11:01:09,953 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 11:01:10,022 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 11:01:10,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 11:01:10,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 11:01:10,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 11:01:10,071 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 11:01:10,072 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 11:01:10,072 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 11:01:10,076 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 11:01:10,076 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 11:01:10,077 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 11:01:10,078 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 11:01:10,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 11:01:10,079 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 11:01:10,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 11:01:10,079 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 11:01:10,080 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 11:01:10,080 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 11:01:10,081 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 11:01:10,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 11:01:10,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 11:01:10,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 11:01:10,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 11:01:10,082 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 11:01:10,083 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 11:01:10,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 11:01:10,083 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 11:01:10,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 11:01:10,084 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 11:01:10,085 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 11:01:10,085 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 11:01:10,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 11:01:10,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 11:01:10,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 11:01:10,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 11:01:10,086 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 11:01:10,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 11:01:10,086 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 11:01:10,086 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 11:01:10,086 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 11:01:10,087 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 11:01:10,087 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 11:01:10,087 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 11:01:10,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 11:01:10,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 11:01:10,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 11:01:10,379 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 11:01:10,379 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 11:01:10,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-74.i [2023-12-19 11:01:11,603 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 11:01:11,807 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 11:01:11,807 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-74.i [2023-12-19 11:01:11,814 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e2e82d14/8b2cad283896452e9c0c6ca52dad37c7/FLAGbde86c3d5 [2023-12-19 11:01:11,826 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e2e82d14/8b2cad283896452e9c0c6ca52dad37c7 [2023-12-19 11:01:11,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 11:01:11,830 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 11:01:11,831 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 11:01:11,831 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 11:01:11,837 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 11:01:11,838 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 11:01:11" (1/1) ... [2023-12-19 11:01:11,840 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24cc4593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:01:11, skipping insertion in model container [2023-12-19 11:01:11,841 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 11:01:11" (1/1) ... [2023-12-19 11:01:11,878 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 11:01:12,004 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-74.i[916,929] [2023-12-19 11:01:12,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 11:01:12,048 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 11:01:12,057 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-74.i[916,929] [2023-12-19 11:01:12,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 11:01:12,088 INFO L206 MainTranslator]: Completed translation [2023-12-19 11:01:12,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:01:12 WrapperNode [2023-12-19 11:01:12,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 11:01:12,089 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 11:01:12,089 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 11:01:12,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 11:01:12,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:01:12" (1/1) ... [2023-12-19 11:01:12,100 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:01:12" (1/1) ... [2023-12-19 11:01:12,127 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 127 [2023-12-19 11:01:12,128 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 11:01:12,129 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 11:01:12,129 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 11:01:12,129 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 11:01:12,138 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:01:12" (1/1) ... [2023-12-19 11:01:12,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:01:12" (1/1) ... [2023-12-19 11:01:12,140 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:01:12" (1/1) ... [2023-12-19 11:01:12,151 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 11:01:12,151 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:01:12" (1/1) ... [2023-12-19 11:01:12,151 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:01:12" (1/1) ... [2023-12-19 11:01:12,158 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:01:12" (1/1) ... [2023-12-19 11:01:12,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:01:12" (1/1) ... [2023-12-19 11:01:12,162 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:01:12" (1/1) ... [2023-12-19 11:01:12,173 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:01:12" (1/1) ... [2023-12-19 11:01:12,175 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 11:01:12,176 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 11:01:12,176 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 11:01:12,176 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 11:01:12,177 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:01:12" (1/1) ... [2023-12-19 11:01:12,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 11:01:12,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 11:01:12,222 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 11:01:12,253 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 11:01:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 11:01:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-19 11:01:12,264 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-19 11:01:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 11:01:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 11:01:12,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 11:01:12,369 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 11:01:12,370 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 11:01:12,594 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 11:01:12,644 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 11:01:12,644 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 11:01:12,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 11:01:12 BoogieIcfgContainer [2023-12-19 11:01:12,645 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 11:01:12,646 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 11:01:12,646 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 11:01:12,649 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 11:01:12,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 11:01:11" (1/3) ... [2023-12-19 11:01:12,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b76669f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 11:01:12, skipping insertion in model container [2023-12-19 11:01:12,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:01:12" (2/3) ... [2023-12-19 11:01:12,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b76669f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 11:01:12, skipping insertion in model container [2023-12-19 11:01:12,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 11:01:12" (3/3) ... [2023-12-19 11:01:12,651 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-74.i [2023-12-19 11:01:12,665 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 11:01:12,665 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 11:01:12,702 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 11:01:12,707 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;@36453008, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 11:01:12,707 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 11:01:12,710 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-19 11:01:12,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-19 11:01:12,726 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 11:01:12,727 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:01:12,727 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 11:01:12,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 11:01:12,742 INFO L85 PathProgramCache]: Analyzing trace with hash -377013824, now seen corresponding path program 1 times [2023-12-19 11:01:12,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 11:01:12,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068549573] [2023-12-19 11:01:12,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 11:01:12,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 11:01:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:28,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 11:01:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:28,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 11:01:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:28,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 11:01:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:28,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 11:01:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:28,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 11:01:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:28,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 11:01:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:28,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 11:01:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:28,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-19 11:01:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:28,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 11:01:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:28,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-19 11:01:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:28,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-19 11:01:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:28,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 11:01:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:28,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 11:01:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:28,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 11:01:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:28,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-19 11:01:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:28,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 11:01:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:28,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 11:01:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:28,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 11:01:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:28,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 11:01:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:28,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 11:01:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:28,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-19 11:01:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:28,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-19 11:01:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:28,712 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 11:01:28,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 11:01:28,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068549573] [2023-12-19 11:01:28,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068549573] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 11:01:28,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 11:01:28,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-19 11:01:28,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184682849] [2023-12-19 11:01:28,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 11:01:28,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-19 11:01:28,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 11:01:28,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-19 11:01:28,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-19 11:01:28,757 INFO L87 Difference]: Start difference. First operand has 53 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 11:01:29,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 11:01:29,080 INFO L93 Difference]: Finished difference Result 170 states and 319 transitions. [2023-12-19 11:01:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-19 11:01:29,083 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 130 [2023-12-19 11:01:29,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 11:01:29,091 INFO L225 Difference]: With dead ends: 170 [2023-12-19 11:01:29,091 INFO L226 Difference]: Without dead ends: 118 [2023-12-19 11:01:29,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-12-19 11:01:29,097 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 85 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 11:01:29,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 316 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 11:01:29,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-12-19 11:01:29,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 96. [2023-12-19 11:01:29,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 49 states have (on average 1.2244897959183674) internal successors, (60), 49 states have internal predecessors, (60), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-12-19 11:01:29,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 148 transitions. [2023-12-19 11:01:29,148 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 148 transitions. Word has length 130 [2023-12-19 11:01:29,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 11:01:29,149 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 148 transitions. [2023-12-19 11:01:29,149 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 11:01:29,150 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 148 transitions. [2023-12-19 11:01:29,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-19 11:01:29,154 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 11:01:29,154 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:01:29,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-19 11:01:29,155 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 11:01:29,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 11:01:29,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1397993538, now seen corresponding path program 1 times [2023-12-19 11:01:29,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 11:01:29,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679466677] [2023-12-19 11:01:29,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 11:01:29,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 11:01:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:29,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 11:01:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:29,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 11:01:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:29,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 11:01:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:29,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 11:01:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:29,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 11:01:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:29,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 11:01:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:29,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 11:01:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:29,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-19 11:01:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:29,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 11:01:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:29,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-19 11:01:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:29,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-19 11:01:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:29,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 11:01:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:29,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 11:01:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:29,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 11:01:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:29,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-19 11:01:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:29,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 11:01:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:29,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 11:01:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:29,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 11:01:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:29,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 11:01:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:29,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 11:01:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:29,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-19 11:01:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:29,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-19 11:01:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:01:29,472 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 11:01:29,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 11:01:29,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679466677] [2023-12-19 11:01:29,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679466677] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 11:01:29,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 11:01:29,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-19 11:01:29,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670291765] [2023-12-19 11:01:29,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 11:01:29,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 11:01:29,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 11:01:29,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 11:01:29,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-19 11:01:29,476 INFO L87 Difference]: Start difference. First operand 96 states and 148 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 11:01:29,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 11:01:29,635 INFO L93 Difference]: Finished difference Result 154 states and 235 transitions. [2023-12-19 11:01:29,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-19 11:01:29,636 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 130 [2023-12-19 11:01:29,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 11:01:29,641 INFO L225 Difference]: With dead ends: 154 [2023-12-19 11:01:29,641 INFO L226 Difference]: Without dead ends: 104 [2023-12-19 11:01:29,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-19 11:01:29,643 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 50 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 11:01:29,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 236 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 11:01:29,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-12-19 11:01:29,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 96. [2023-12-19 11:01:29,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 49 states have internal predecessors, (59), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-12-19 11:01:29,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 147 transitions. [2023-12-19 11:01:29,680 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 147 transitions. Word has length 130 [2023-12-19 11:01:29,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 11:01:29,682 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 147 transitions. [2023-12-19 11:01:29,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 11:01:29,682 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 147 transitions. [2023-12-19 11:01:29,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-19 11:01:29,689 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 11:01:29,690 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:01:29,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-19 11:01:29,690 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 11:01:29,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 11:01:29,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1197007290, now seen corresponding path program 1 times [2023-12-19 11:01:29,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 11:01:29,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420434527] [2023-12-19 11:01:29,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 11:01:29,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 11:01:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:11,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 11:02:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:11,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 11:02:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:11,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 11:02:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:11,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 11:02:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:11,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 11:02:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:11,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 11:02:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:11,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 11:02:11,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:11,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-19 11:02:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:11,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 11:02:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:11,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-19 11:02:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:11,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-19 11:02:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:11,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 11:02:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:11,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 11:02:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:11,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 11:02:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:11,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-19 11:02:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:11,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 11:02:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:11,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 11:02:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:11,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 11:02:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:11,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 11:02:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:11,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 11:02:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:11,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-19 11:02:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:11,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-19 11:02:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:11,856 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 11:02:11,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 11:02:11,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420434527] [2023-12-19 11:02:11,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420434527] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 11:02:11,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 11:02:11,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-19 11:02:11,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156794982] [2023-12-19 11:02:11,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 11:02:11,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-19 11:02:11,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 11:02:11,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-19 11:02:11,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-19 11:02:11,864 INFO L87 Difference]: Start difference. First operand 96 states and 147 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 11:02:13,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 11:02:13,227 INFO L93 Difference]: Finished difference Result 106 states and 158 transitions. [2023-12-19 11:02:13,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-19 11:02:13,228 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 131 [2023-12-19 11:02:13,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 11:02:13,229 INFO L225 Difference]: With dead ends: 106 [2023-12-19 11:02:13,229 INFO L226 Difference]: Without dead ends: 104 [2023-12-19 11:02:13,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-12-19 11:02:13,231 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 30 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 11:02:13,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 346 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 11:02:13,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-12-19 11:02:13,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 92. [2023-12-19 11:02:13,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 45 states have (on average 1.1555555555555554) internal successors, (52), 45 states have internal predecessors, (52), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-12-19 11:02:13,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 140 transitions. [2023-12-19 11:02:13,245 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 140 transitions. Word has length 131 [2023-12-19 11:02:13,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 11:02:13,245 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 140 transitions. [2023-12-19 11:02:13,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 11:02:13,246 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 140 transitions. [2023-12-19 11:02:13,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-12-19 11:02:13,247 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 11:02:13,247 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:02:13,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-19 11:02:13,247 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 11:02:13,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 11:02:13,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1557270311, now seen corresponding path program 1 times [2023-12-19 11:02:13,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 11:02:13,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900096352] [2023-12-19 11:02:13,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 11:02:13,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 11:02:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:30,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 11:02:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:30,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 11:02:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:30,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 11:02:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:30,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 11:02:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:30,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 11:02:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:30,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 11:02:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:30,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 11:02:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:30,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-19 11:02:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:30,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 11:02:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:30,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-19 11:02:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:30,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-19 11:02:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:30,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 11:02:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:30,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 11:02:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:30,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 11:02:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:30,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-19 11:02:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:30,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 11:02:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:30,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 11:02:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:30,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 11:02:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:30,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 11:02:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:30,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 11:02:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:30,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-19 11:02:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:30,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-19 11:02:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:30,925 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 11:02:30,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 11:02:30,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900096352] [2023-12-19 11:02:30,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900096352] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 11:02:30,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 11:02:30,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-19 11:02:30,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512268852] [2023-12-19 11:02:30,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 11:02:30,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-19 11:02:30,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 11:02:30,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-19 11:02:30,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-12-19 11:02:30,928 INFO L87 Difference]: Start difference. First operand 92 states and 140 transitions. Second operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 11:02:32,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 11:02:32,572 INFO L93 Difference]: Finished difference Result 125 states and 181 transitions. [2023-12-19 11:02:32,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-19 11:02:32,573 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 132 [2023-12-19 11:02:32,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 11:02:32,574 INFO L225 Difference]: With dead ends: 125 [2023-12-19 11:02:32,574 INFO L226 Difference]: Without dead ends: 123 [2023-12-19 11:02:32,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=158, Invalid=348, Unknown=0, NotChecked=0, Total=506 [2023-12-19 11:02:32,576 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 74 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 11:02:32,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 248 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 11:02:32,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-12-19 11:02:32,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 97. [2023-12-19 11:02:32,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 50 states have (on average 1.22) internal successors, (61), 50 states have internal predecessors, (61), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-12-19 11:02:32,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 149 transitions. [2023-12-19 11:02:32,590 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 149 transitions. Word has length 132 [2023-12-19 11:02:32,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 11:02:32,591 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 149 transitions. [2023-12-19 11:02:32,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 11:02:32,591 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 149 transitions. [2023-12-19 11:02:32,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-19 11:02:32,593 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 11:02:32,593 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:02:32,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-19 11:02:32,593 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 11:02:32,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 11:02:32,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1578826241, now seen corresponding path program 1 times [2023-12-19 11:02:32,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 11:02:32,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192200954] [2023-12-19 11:02:32,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 11:02:32,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 11:02:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:47,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 11:02:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:47,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 11:02:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:47,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 11:02:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:47,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 11:02:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:47,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 11:02:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:47,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 11:02:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:47,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 11:02:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:47,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-19 11:02:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:47,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 11:02:47,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:47,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-19 11:02:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:47,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-19 11:02:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:47,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 11:02:47,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:47,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 11:02:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:47,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 11:02:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:47,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-19 11:02:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:47,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 11:02:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:47,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 11:02:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:47,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 11:02:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:47,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 11:02:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:47,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 11:02:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:47,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-19 11:02:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:47,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-19 11:02:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:02:47,690 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 11:02:47,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 11:02:47,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192200954] [2023-12-19 11:02:47,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192200954] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 11:02:47,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 11:02:47,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-19 11:02:47,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45682821] [2023-12-19 11:02:47,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 11:02:47,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-19 11:02:47,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 11:02:47,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-19 11:02:47,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-12-19 11:02:47,693 INFO L87 Difference]: Start difference. First operand 97 states and 149 transitions. Second operand has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 11:02:48,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 11:02:48,646 INFO L93 Difference]: Finished difference Result 122 states and 182 transitions. [2023-12-19 11:02:48,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-19 11:02:48,647 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 133 [2023-12-19 11:02:48,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 11:02:48,648 INFO L225 Difference]: With dead ends: 122 [2023-12-19 11:02:48,648 INFO L226 Difference]: Without dead ends: 120 [2023-12-19 11:02:48,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-12-19 11:02:48,650 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 54 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 11:02:48,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 298 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 11:02:48,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-12-19 11:02:48,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 100. [2023-12-19 11:02:48,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 53 states have (on average 1.2452830188679245) internal successors, (66), 53 states have internal predecessors, (66), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-12-19 11:02:48,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 154 transitions. [2023-12-19 11:02:48,670 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 154 transitions. Word has length 133 [2023-12-19 11:02:48,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 11:02:48,671 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 154 transitions. [2023-12-19 11:02:48,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 11:02:48,671 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 154 transitions. [2023-12-19 11:02:48,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2023-12-19 11:02:48,679 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 11:02:48,679 INFO L195 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 11:02:48,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-19 11:02:48,679 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 11:02:48,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 11:02:48,680 INFO L85 PathProgramCache]: Analyzing trace with hash 165686492, now seen corresponding path program 1 times [2023-12-19 11:02:48,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 11:02:48,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725180742] [2023-12-19 11:02:48,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 11:02:48,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 11:02:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 11:03:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 11:03:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 11:03:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 11:03:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 11:03:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 11:03:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 11:03:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-19 11:03:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 11:03:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-19 11:03:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-19 11:03:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 11:03:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 11:03:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 11:03:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-19 11:03:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 11:03:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 11:03:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 11:03:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 11:03:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 11:03:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-19 11:03:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-19 11:03:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-19 11:03:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-19 11:03:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-12-19 11:03:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-19 11:03:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-12-19 11:03:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-19 11:03:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-12-19 11:03:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-12-19 11:03:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-19 11:03:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-12-19 11:03:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-19 11:03:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-19 11:03:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-19 11:03:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-19 11:03:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-12-19 11:03:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-12-19 11:03:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-19 11:03:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-12-19 11:03:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-19 11:03:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-19 11:03:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-12-19 11:03:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-12-19 11:03:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:06,290 INFO L134 CoverageAnalysis]: Checked inductivity of 3824 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3818 trivial. 0 not checked. [2023-12-19 11:03:06,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 11:03:06,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725180742] [2023-12-19 11:03:06,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725180742] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 11:03:06,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 11:03:06,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-19 11:03:06,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406838419] [2023-12-19 11:03:06,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 11:03:06,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 11:03:06,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 11:03:06,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 11:03:06,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-19 11:03:06,293 INFO L87 Difference]: Start difference. First operand 100 states and 154 transitions. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 11:03:07,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 11:03:07,760 INFO L93 Difference]: Finished difference Result 120 states and 178 transitions. [2023-12-19 11:03:07,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-19 11:03:07,761 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 261 [2023-12-19 11:03:07,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 11:03:07,762 INFO L225 Difference]: With dead ends: 120 [2023-12-19 11:03:07,762 INFO L226 Difference]: Without dead ends: 118 [2023-12-19 11:03:07,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2023-12-19 11:03:07,764 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 31 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 11:03:07,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 337 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 11:03:07,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-12-19 11:03:07,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 98. [2023-12-19 11:03:07,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 51 states have (on average 1.2352941176470589) internal successors, (63), 51 states have internal predecessors, (63), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-12-19 11:03:07,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 151 transitions. [2023-12-19 11:03:07,775 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 151 transitions. Word has length 261 [2023-12-19 11:03:07,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 11:03:07,776 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 151 transitions. [2023-12-19 11:03:07,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 11:03:07,776 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 151 transitions. [2023-12-19 11:03:07,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2023-12-19 11:03:07,779 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 11:03:07,779 INFO L195 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 11:03:07,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-19 11:03:07,780 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 11:03:07,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 11:03:07,780 INFO L85 PathProgramCache]: Analyzing trace with hash 686254110, now seen corresponding path program 1 times [2023-12-19 11:03:07,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 11:03:07,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188485567] [2023-12-19 11:03:07,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 11:03:07,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 11:03:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 11:03:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 11:03:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 11:03:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 11:03:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 11:03:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 11:03:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 11:03:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-19 11:03:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-19 11:03:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-19 11:03:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-19 11:03:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 11:03:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 11:03:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 11:03:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-19 11:03:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 11:03:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 11:03:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 11:03:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 11:03:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 11:03:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-19 11:03:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-19 11:03:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-19 11:03:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-19 11:03:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-12-19 11:03:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-19 11:03:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-12-19 11:03:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-19 11:03:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-12-19 11:03:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-12-19 11:03:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-19 11:03:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-12-19 11:03:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-19 11:03:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-19 11:03:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-19 11:03:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-12-19 11:03:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-12-19 11:03:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-12-19 11:03:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-12-19 11:03:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-12-19 11:03:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-19 11:03:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-12-19 11:03:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-12-19 11:03:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-12-19 11:03:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 11:03:22,724 INFO L134 CoverageAnalysis]: Checked inductivity of 3824 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3818 trivial. 0 not checked. [2023-12-19 11:03:22,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 11:03:22,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188485567] [2023-12-19 11:03:22,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188485567] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 11:03:22,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 11:03:22,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-19 11:03:22,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536528128] [2023-12-19 11:03:22,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 11:03:22,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 11:03:22,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 11:03:22,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 11:03:22,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-19 11:03:22,726 INFO L87 Difference]: Start difference. First operand 98 states and 151 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 11:03:24,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 11:03:24,065 INFO L93 Difference]: Finished difference Result 116 states and 174 transitions. [2023-12-19 11:03:24,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-19 11:03:24,066 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 262 [2023-12-19 11:03:24,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 11:03:24,067 INFO L225 Difference]: With dead ends: 116 [2023-12-19 11:03:24,067 INFO L226 Difference]: Without dead ends: 0 [2023-12-19 11:03:24,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2023-12-19 11:03:24,069 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 42 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 11:03:24,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 319 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 11:03:24,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-19 11:03:24,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-19 11:03:24,077 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 11:03:24,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-19 11:03:24,077 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 262 [2023-12-19 11:03:24,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 11:03:24,077 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-19 11:03:24,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 11:03:24,077 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-19 11:03:24,077 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-19 11:03:24,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 11:03:24,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-19 11:03:24,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-19 11:03:34,915 WARN L293 SmtUtils]: Spent 10.83s on a formula simplification. DAG size of input: 214 DAG size of output: 323 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-12-19 11:03:36,755 INFO L902 garLoopResultBuilder]: At program point L93(line 93) the Hoare annotation is: true [2023-12-19 11:03:36,755 INFO L902 garLoopResultBuilder]: At program point L93-1(line 93) the Hoare annotation is: true [2023-12-19 11:03:36,756 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 64) no Hoare annotation was computed. [2023-12-19 11:03:36,756 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2023-12-19 11:03:36,756 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-12-19 11:03:36,756 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-12-19 11:03:36,756 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-12-19 11:03:36,756 INFO L902 garLoopResultBuilder]: At program point L102(line 102) the Hoare annotation is: true [2023-12-19 11:03:36,756 INFO L902 garLoopResultBuilder]: At program point L102-1(line 102) the Hoare annotation is: true [2023-12-19 11:03:36,756 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2023-12-19 11:03:36,756 INFO L902 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: true [2023-12-19 11:03:36,756 INFO L902 garLoopResultBuilder]: At program point L78-1(line 78) the Hoare annotation is: true [2023-12-19 11:03:36,756 INFO L899 garLoopResultBuilder]: For program point L103(lines 70 104) no Hoare annotation was computed. [2023-12-19 11:03:36,757 INFO L902 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: true [2023-12-19 11:03:36,757 INFO L902 garLoopResultBuilder]: At program point L87-1(line 87) the Hoare annotation is: true [2023-12-19 11:03:36,757 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2023-12-19 11:03:36,757 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-19 11:03:36,757 INFO L902 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: true [2023-12-19 11:03:36,757 INFO L902 garLoopResultBuilder]: At program point L96-1(line 96) the Hoare annotation is: true [2023-12-19 11:03:36,757 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2023-12-19 11:03:36,757 INFO L899 garLoopResultBuilder]: For program point L47(lines 47 55) no Hoare annotation was computed. [2023-12-19 11:03:36,757 INFO L899 garLoopResultBuilder]: For program point L47-1(lines 39 69) no Hoare annotation was computed. [2023-12-19 11:03:36,757 INFO L902 garLoopResultBuilder]: At program point L72(line 72) the Hoare annotation is: true [2023-12-19 11:03:36,757 INFO L902 garLoopResultBuilder]: At program point L72-1(line 72) the Hoare annotation is: true [2023-12-19 11:03:36,757 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2023-12-19 11:03:36,758 INFO L902 garLoopResultBuilder]: At program point L81(line 81) the Hoare annotation is: true [2023-12-19 11:03:36,758 INFO L902 garLoopResultBuilder]: At program point L81-1(line 81) the Hoare annotation is: true [2023-12-19 11:03:36,759 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 52) no Hoare annotation was computed. [2023-12-19 11:03:36,759 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-12-19 11:03:36,759 INFO L902 garLoopResultBuilder]: At program point L90(line 90) the Hoare annotation is: true [2023-12-19 11:03:36,759 INFO L902 garLoopResultBuilder]: At program point L90-1(line 90) the Hoare annotation is: true [2023-12-19 11:03:36,759 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-12-19 11:03:36,759 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2023-12-19 11:03:36,762 INFO L895 garLoopResultBuilder]: At program point L115-2(lines 115 121) the Hoare annotation is: (let ((.cse16 (div ~var_1_15~0 256))) (let ((.cse22 (* 256 .cse16)) (.cse23 (* 256 (div ~var_1_14~0 256))) (.cse18 (* (div ~var_1_10~0 256) 256)) (.cse21 (= (* (div ~last_1_var_1_16~0 256) 256) ~last_1_var_1_16~0))) (let ((.cse14 (or (= (+ .cse23 ~var_1_10~0) (+ .cse18 ~var_1_14~0)) (and .cse21 (<= ~var_1_5~0 ~var_1_11~0)))) (.cse12 (= .cse22 ~var_1_15~0)) (.cse13 (= .cse23 ~var_1_14~0)) (.cse15 (= .cse18 ~var_1_10~0)) (.cse17 (div ~var_1_16~0 256))) (let ((.cse0 (= (+ .cse22 ~var_1_16~0) (+ (* .cse17 256) ~var_1_15~0))) (.cse1 (or (let ((.cse19 (< ~var_1_11~0 ~var_1_5~0)) (.cse20 (not .cse21))) (and (or (= ~var_1_10~0 (+ .cse18 1)) .cse19 .cse20) .cse14 (or (and .cse12 (not .cse13)) .cse19 .cse20))) .cse15)) (.cse2 (<= .cse16 .cse17)) (.cse3 (or (and (or (not .cse12) .cse13) .cse14) (not .cse15)))) (or (and (= ~var_1_16~0 1) (= ~last_1_var_1_16~0 1)) (and .cse0 .cse1 .cse2 .cse3 (let ((.cse4 (<= ~var_1_5~0 ~var_1_4~0))) (or (and (<= ~var_1_4~0 ~var_1_3~0) .cse4) (let ((.cse5 (+ ~var_1_3~0 1))) (and (<= .cse5 ~var_1_4~0) (or (let ((.cse6 (+ ~var_1_2~0 1))) (and (<= .cse6 ~var_1_4~0) (or (< ~var_1_5~0 .cse5) (< ~var_1_5~0 .cse6)))) (and .cse4 (<= ~var_1_4~0 ~var_1_2~0)))))))) (let ((.cse11 (* 4294967295 ~var_1_8~0)) (.cse8 (* (div ~var_1_6~0 4294967296) 4294967296))) (let ((.cse7 (* (div ~var_1_1~0 4294967296) 4294967296)) (.cse10 (+ .cse11 ~var_1_7~0 .cse8)) (.cse9 (+ (* (div (+ .cse11 ~var_1_7~0) 4294967296) 4294967296) ~var_1_6~0))) (and .cse0 .cse1 .cse2 (or (= (+ ~var_1_6~0 .cse7) (+ ~var_1_1~0 .cse8)) (<= .cse9 .cse10)) .cse3 (or (= (+ ~var_1_1~0 ~var_1_8~0 (* (div (+ ~var_1_7~0 (* (- 1) ~var_1_8~0)) 4294967296) 4294967296)) (+ ~var_1_7~0 .cse7)) (< .cse10 .cse9)))))))))) [2023-12-19 11:03:36,762 INFO L899 garLoopResultBuilder]: For program point L115-3(lines 115 121) no Hoare annotation was computed. [2023-12-19 11:03:36,762 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 45) no Hoare annotation was computed. [2023-12-19 11:03:36,762 INFO L899 garLoopResultBuilder]: For program point L41-2(lines 41 45) no Hoare annotation was computed. [2023-12-19 11:03:36,762 INFO L902 garLoopResultBuilder]: At program point L99(line 99) the Hoare annotation is: true [2023-12-19 11:03:36,762 INFO L902 garLoopResultBuilder]: At program point L99-1(line 99) the Hoare annotation is: true [2023-12-19 11:03:36,762 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-19 11:03:36,762 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2023-12-19 11:03:36,763 INFO L902 garLoopResultBuilder]: At program point L75(line 75) the Hoare annotation is: true [2023-12-19 11:03:36,763 INFO L902 garLoopResultBuilder]: At program point L75-1(line 75) the Hoare annotation is: true [2023-12-19 11:03:36,763 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2023-12-19 11:03:36,763 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 67) no Hoare annotation was computed. [2023-12-19 11:03:36,763 INFO L899 garLoopResultBuilder]: For program point L59-1(lines 39 69) no Hoare annotation was computed. [2023-12-19 11:03:36,763 INFO L902 garLoopResultBuilder]: At program point L84(line 84) the Hoare annotation is: true [2023-12-19 11:03:36,763 INFO L902 garLoopResultBuilder]: At program point L84-1(line 84) the Hoare annotation is: true [2023-12-19 11:03:36,763 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2023-12-19 11:03:36,763 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-12-19 11:03:36,764 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-12-19 11:03:36,764 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-12-19 11:03:36,765 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-12-19 11:03:36,769 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-12-19 11:03:36,770 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 11:03:36,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 11:03:36 BoogieIcfgContainer [2023-12-19 11:03:36,805 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 11:03:36,805 INFO L158 Benchmark]: Toolchain (without parser) took 144975.29ms. Allocated memory was 327.2MB in the beginning and 997.2MB in the end (delta: 670.0MB). Free memory was 279.2MB in the beginning and 947.8MB in the end (delta: -668.6MB). Peak memory consumption was 593.9MB. Max. memory is 8.0GB. [2023-12-19 11:03:36,805 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 204.5MB. Free memory is still 157.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 11:03:36,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.20ms. Allocated memory is still 327.2MB. Free memory was 278.9MB in the beginning and 266.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-19 11:03:36,806 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.92ms. Allocated memory is still 327.2MB. Free memory was 266.2MB in the beginning and 263.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-19 11:03:36,806 INFO L158 Benchmark]: Boogie Preprocessor took 46.61ms. Allocated memory is still 327.2MB. Free memory was 263.8MB in the beginning and 261.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-19 11:03:36,806 INFO L158 Benchmark]: RCFGBuilder took 468.76ms. Allocated memory is still 327.2MB. Free memory was 261.4MB in the beginning and 243.6MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-19 11:03:36,807 INFO L158 Benchmark]: TraceAbstraction took 144158.46ms. Allocated memory was 327.2MB in the beginning and 997.2MB in the end (delta: 670.0MB). Free memory was 242.9MB in the beginning and 947.8MB in the end (delta: -704.9MB). Peak memory consumption was 557.2MB. Max. memory is 8.0GB. [2023-12-19 11:03:36,808 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 204.5MB. Free memory is still 157.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 257.20ms. Allocated memory is still 327.2MB. Free memory was 278.9MB in the beginning and 266.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.92ms. Allocated memory is still 327.2MB. Free memory was 266.2MB in the beginning and 263.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.61ms. Allocated memory is still 327.2MB. Free memory was 263.8MB in the beginning and 261.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 468.76ms. Allocated memory is still 327.2MB. Free memory was 261.4MB in the beginning and 243.6MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 144158.46ms. Allocated memory was 327.2MB in the beginning and 997.2MB in the end (delta: 670.0MB). Free memory was 242.9MB in the beginning and 947.8MB in the end (delta: -704.9MB). Peak memory consumption was 557.2MB. 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, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 144.1s, OverallIterations: 7, TraceHistogramMax: 44, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 366 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 366 mSDsluCounter, 2100 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1625 mSDsCounter, 226 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1002 IncrementalHoareTripleChecker+Invalid, 1228 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 226 mSolverCounterUnsat, 475 mSDtfsCounter, 1002 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 539 GetRequests, 435 SyntacticMatches, 2 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 8.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=5, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 108 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 111 PreInvPairs, 160 NumberOfFragments, 473 HoareAnnotationTreeSize, 111 FormulaSimplifications, 427901 FormulaSimplificationTreeSizeReduction, 10.8s HoareSimplificationTime, 24 FormulaSimplificationsInter, 69405 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 123.0s InterpolantComputationTime, 1179 NumberOfCodeBlocks, 1179 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1172 ConstructedInterpolants, 0 QuantifiedInterpolants, 7286 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 12268/12268 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: 115]: Loop Invariant Derived loop invariant: ((((var_1_16 == 1) && (last_1_var_1_16 == 1)) || (((((((256 * (var_1_15 / 256)) + var_1_16) == (((var_1_16 / 256) * 256) + var_1_15)) && ((((((var_1_10 == (((var_1_10 / 256) * 256) + 1)) || (var_1_11 < var_1_5)) || !((((last_1_var_1_16 / 256) * 256) == last_1_var_1_16))) && ((((256 * (var_1_14 / 256)) + var_1_10) == (((var_1_10 / 256) * 256) + var_1_14)) || ((((last_1_var_1_16 / 256) * 256) == last_1_var_1_16) && (var_1_5 <= var_1_11)))) && (((((256 * (var_1_15 / 256)) == var_1_15) && !(((256 * (var_1_14 / 256)) == var_1_14))) || (var_1_11 < var_1_5)) || !((((last_1_var_1_16 / 256) * 256) == last_1_var_1_16)))) || (((var_1_10 / 256) * 256) == var_1_10))) && ((var_1_15 / 256) <= (var_1_16 / 256))) && (((!(((256 * (var_1_15 / 256)) == var_1_15)) || ((256 * (var_1_14 / 256)) == var_1_14)) && ((((256 * (var_1_14 / 256)) + var_1_10) == (((var_1_10 / 256) * 256) + var_1_14)) || ((((last_1_var_1_16 / 256) * 256) == last_1_var_1_16) && (var_1_5 <= var_1_11)))) || !((((var_1_10 / 256) * 256) == var_1_10)))) && (((var_1_4 <= var_1_3) && (var_1_5 <= var_1_4)) || (((var_1_3 + 1) <= var_1_4) && ((((var_1_2 + 1) <= var_1_4) && ((var_1_5 < (var_1_3 + 1)) || (var_1_5 < (var_1_2 + 1)))) || ((var_1_5 <= var_1_4) && (var_1_4 <= var_1_2))))))) || ((((((((256 * (var_1_15 / 256)) + var_1_16) == (((var_1_16 / 256) * 256) + var_1_15)) && ((((((var_1_10 == (((var_1_10 / 256) * 256) + 1)) || (var_1_11 < var_1_5)) || !((((last_1_var_1_16 / 256) * 256) == last_1_var_1_16))) && ((((256 * (var_1_14 / 256)) + var_1_10) == (((var_1_10 / 256) * 256) + var_1_14)) || ((((last_1_var_1_16 / 256) * 256) == last_1_var_1_16) && (var_1_5 <= var_1_11)))) && (((((256 * (var_1_15 / 256)) == var_1_15) && !(((256 * (var_1_14 / 256)) == var_1_14))) || (var_1_11 < var_1_5)) || !((((last_1_var_1_16 / 256) * 256) == last_1_var_1_16)))) || (((var_1_10 / 256) * 256) == var_1_10))) && ((var_1_15 / 256) <= (var_1_16 / 256))) && (((var_1_6 + ((var_1_1 / 4294967296) * 4294967296)) == (var_1_1 + ((var_1_6 / 4294967296) * 4294967296))) || ((((((4294967295 * var_1_8) + var_1_7) / 4294967296) * 4294967296) + var_1_6) <= (((4294967295 * var_1_8) + var_1_7) + ((var_1_6 / 4294967296) * 4294967296))))) && (((!(((256 * (var_1_15 / 256)) == var_1_15)) || ((256 * (var_1_14 / 256)) == var_1_14)) && ((((256 * (var_1_14 / 256)) + var_1_10) == (((var_1_10 / 256) * 256) + var_1_14)) || ((((last_1_var_1_16 / 256) * 256) == last_1_var_1_16) && (var_1_5 <= var_1_11)))) || !((((var_1_10 / 256) * 256) == var_1_10)))) && ((((var_1_1 + var_1_8) + (((var_1_7 + (-1 * var_1_8)) / 4294967296) * 4294967296)) == (var_1_7 + ((var_1_1 / 4294967296) * 4294967296))) || ((((4294967295 * var_1_8) + var_1_7) + ((var_1_6 / 4294967296) * 4294967296)) < (((((4294967295 * var_1_8) + var_1_7) / 4294967296) * 4294967296) + var_1_6))))) RESULT: Ultimate proved your program to be correct! [2023-12-19 11:03:37,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...