./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-88.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-88.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f173a1e127c6e1033e5b4dd17ed93bd9e595663c9235b403a3de8ffd3ad4687 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 07:19:53,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 07:19:53,093 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 07:19:53,099 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 07:19:53,102 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 07:19:53,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 07:19:53,130 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 07:19:53,131 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 07:19:53,131 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 07:19:53,132 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 07:19:53,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 07:19:53,133 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 07:19:53,134 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 07:19:53,134 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 07:19:53,136 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 07:19:53,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 07:19:53,137 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 07:19:53,137 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 07:19:53,137 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 07:19:53,138 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 07:19:53,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 07:19:53,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 07:19:53,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 07:19:53,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 07:19:53,142 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 07:19:53,142 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 07:19:53,143 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 07:19:53,143 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 07:19:53,143 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 07:19:53,144 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 07:19:53,144 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 07:19:53,144 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 07:19:53,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 07:19:53,145 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 07:19:53,145 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 07:19:53,145 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 07:19:53,146 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 07:19:53,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 07:19:53,146 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 07:19:53,146 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 07:19:53,147 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 07:19:53,147 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 07:19:53,148 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f173a1e127c6e1033e5b4dd17ed93bd9e595663c9235b403a3de8ffd3ad4687 [2024-11-10 07:19:53,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 07:19:53,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 07:19:53,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 07:19:53,480 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 07:19:53,484 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 07:19:53,486 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-88.i [2024-11-10 07:19:55,055 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 07:19:55,310 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 07:19:55,315 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-88.i [2024-11-10 07:19:55,326 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/361f67793/cd933888a104448880e1c67686c56ef2/FLAG167f3c292 [2024-11-10 07:19:55,670 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/361f67793/cd933888a104448880e1c67686c56ef2 [2024-11-10 07:19:55,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 07:19:55,673 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 07:19:55,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 07:19:55,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 07:19:55,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 07:19:55,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:19:55" (1/1) ... [2024-11-10 07:19:55,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d0c32b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:55, skipping insertion in model container [2024-11-10 07:19:55,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:19:55" (1/1) ... [2024-11-10 07:19:55,709 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 07:19:55,861 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-88.i[916,929] [2024-11-10 07:19:55,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 07:19:55,972 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 07:19:55,981 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-88.i[916,929] [2024-11-10 07:19:56,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 07:19:56,040 INFO L204 MainTranslator]: Completed translation [2024-11-10 07:19:56,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:56 WrapperNode [2024-11-10 07:19:56,041 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 07:19:56,042 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 07:19:56,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 07:19:56,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 07:19:56,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:56" (1/1) ... [2024-11-10 07:19:56,068 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:56" (1/1) ... [2024-11-10 07:19:56,116 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 280 [2024-11-10 07:19:56,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 07:19:56,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 07:19:56,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 07:19:56,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 07:19:56,126 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:56" (1/1) ... [2024-11-10 07:19:56,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:56" (1/1) ... [2024-11-10 07:19:56,131 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:56" (1/1) ... [2024-11-10 07:19:56,164 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]. [2024-11-10 07:19:56,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:56" (1/1) ... [2024-11-10 07:19:56,168 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:56" (1/1) ... [2024-11-10 07:19:56,183 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:56" (1/1) ... [2024-11-10 07:19:56,184 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:56" (1/1) ... [2024-11-10 07:19:56,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:56" (1/1) ... [2024-11-10 07:19:56,192 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:56" (1/1) ... [2024-11-10 07:19:56,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 07:19:56,199 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 07:19:56,200 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 07:19:56,200 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 07:19:56,200 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:56" (1/1) ... [2024-11-10 07:19:56,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 07:19:56,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:19:56,235 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) [2024-11-10 07:19:56,246 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 [2024-11-10 07:19:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 07:19:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 07:19:56,284 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 07:19:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 07:19:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 07:19:56,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 07:19:56,382 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 07:19:56,384 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 07:19:56,896 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L204: havoc property_#t~ite24#1;havoc property_#t~bitwise23#1;havoc property_#t~short25#1;havoc property_#t~ite27#1;havoc property_#t~bitwise26#1;havoc property_#t~short28#1;havoc property_#t~bitwise29#1;havoc property_#t~short30#1; [2024-11-10 07:19:56,950 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2024-11-10 07:19:56,951 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 07:19:56,978 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 07:19:56,979 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 07:19:56,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:19:56 BoogieIcfgContainer [2024-11-10 07:19:56,980 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 07:19:56,983 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 07:19:56,983 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 07:19:56,986 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 07:19:56,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:19:55" (1/3) ... [2024-11-10 07:19:56,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d677cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:19:56, skipping insertion in model container [2024-11-10 07:19:56,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:56" (2/3) ... [2024-11-10 07:19:56,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d677cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:19:56, skipping insertion in model container [2024-11-10 07:19:56,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:19:56" (3/3) ... [2024-11-10 07:19:56,989 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-88.i [2024-11-10 07:19:57,006 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 07:19:57,007 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 07:19:57,077 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 07:19:57,083 INFO L333 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, 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;@7bf4d6aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 07:19:57,084 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 07:19:57,090 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 89 states have (on average 1.4157303370786516) internal successors, (126), 90 states have internal predecessors, (126), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 07:19:57,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-10 07:19:57,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:19:57,105 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:19:57,105 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:19:57,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:19:57,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1731993201, now seen corresponding path program 1 times [2024-11-10 07:19:57,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:19:57,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160963664] [2024-11-10 07:19:57,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:19:57,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:19:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:19:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:19:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:19:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 07:19:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:19:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:19:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:19:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:19:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:19:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:19:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:19:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:19:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 07:19:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:19:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:19:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:19:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:19:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:19:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:19:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:19:57,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:19:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:19:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:19:57,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:19:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 07:19:57,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:19:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 07:19:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:19:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:57,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-10 07:19:57,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:19:57,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160963664] [2024-11-10 07:19:57,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160963664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:19:57,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:19:57,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 07:19:57,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417100827] [2024-11-10 07:19:57,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:19:57,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 07:19:57,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:19:57,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 07:19:57,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 07:19:57,616 INFO L87 Difference]: Start difference. First operand has 120 states, 89 states have (on average 1.4157303370786516) internal successors, (126), 90 states have internal predecessors, (126), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-10 07:19:57,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:19:57,661 INFO L93 Difference]: Finished difference Result 232 states and 385 transitions. [2024-11-10 07:19:57,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 07:19:57,664 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) Word has length 193 [2024-11-10 07:19:57,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:19:57,674 INFO L225 Difference]: With dead ends: 232 [2024-11-10 07:19:57,675 INFO L226 Difference]: Without dead ends: 115 [2024-11-10 07:19:57,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 07:19:57,682 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 07:19:57,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 168 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 07:19:57,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-10 07:19:57,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-10 07:19:57,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 85 states have (on average 1.388235294117647) internal successors, (118), 85 states have internal predecessors, (118), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 07:19:57,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 174 transitions. [2024-11-10 07:19:57,765 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 174 transitions. Word has length 193 [2024-11-10 07:19:57,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:19:57,765 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 174 transitions. [2024-11-10 07:19:57,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-10 07:19:57,766 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 174 transitions. [2024-11-10 07:19:57,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-10 07:19:57,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:19:57,773 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:19:57,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 07:19:57,774 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:19:57,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:19:57,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1026099283, now seen corresponding path program 1 times [2024-11-10 07:19:57,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:19:57,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263579189] [2024-11-10 07:19:57,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:19:57,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:19:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:19:58,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:19:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:19:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 07:19:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:19:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:19:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:19:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:19:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:19:58,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:19:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:19:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:19:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 07:19:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:19:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:19:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:19:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:19:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:19:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:19:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:19:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:19:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:19:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:19:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:19:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 07:19:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:19:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 07:19:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:19:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:58,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-10 07:19:58,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:19:58,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263579189] [2024-11-10 07:19:58,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263579189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:19:58,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:19:58,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 07:19:58,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142303292] [2024-11-10 07:19:58,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:19:58,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 07:19:58,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:19:58,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 07:19:58,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 07:19:58,690 INFO L87 Difference]: Start difference. First operand 115 states and 174 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 07:19:59,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:19:59,027 INFO L93 Difference]: Finished difference Result 381 states and 575 transitions. [2024-11-10 07:19:59,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 07:19:59,028 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 193 [2024-11-10 07:19:59,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:19:59,036 INFO L225 Difference]: With dead ends: 381 [2024-11-10 07:19:59,036 INFO L226 Difference]: Without dead ends: 269 [2024-11-10 07:19:59,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:19:59,039 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 255 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 07:19:59,044 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 472 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 07:19:59,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-10 07:19:59,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 220. [2024-11-10 07:19:59,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 161 states have (on average 1.3664596273291925) internal successors, (220), 161 states have internal predecessors, (220), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-10 07:19:59,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 332 transitions. [2024-11-10 07:19:59,101 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 332 transitions. Word has length 193 [2024-11-10 07:19:59,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:19:59,103 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 332 transitions. [2024-11-10 07:19:59,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 07:19:59,104 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 332 transitions. [2024-11-10 07:19:59,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-10 07:19:59,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:19:59,107 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:19:59,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 07:19:59,108 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:19:59,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:19:59,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1817375258, now seen corresponding path program 1 times [2024-11-10 07:19:59,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:19:59,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793172895] [2024-11-10 07:19:59,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:19:59,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:19:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:19:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:19:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:19:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 07:19:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:19:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:19:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:19:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:19:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:19:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:19:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:19:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:19:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 07:19:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:19:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:19:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:19:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:19:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:19:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:19:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:19:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:19:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:19:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:19:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:19:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 07:19:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:19:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 07:19:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:19:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:19:59,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-10 07:19:59,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:19:59,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793172895] [2024-11-10 07:19:59,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793172895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:19:59,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:19:59,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 07:19:59,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397483627] [2024-11-10 07:19:59,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:19:59,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 07:19:59,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:19:59,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 07:19:59,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:19:59,813 INFO L87 Difference]: Start difference. First operand 220 states and 332 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 07:20:00,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:20:00,257 INFO L93 Difference]: Finished difference Result 590 states and 888 transitions. [2024-11-10 07:20:00,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 07:20:00,257 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 194 [2024-11-10 07:20:00,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:20:00,262 INFO L225 Difference]: With dead ends: 590 [2024-11-10 07:20:00,262 INFO L226 Difference]: Without dead ends: 373 [2024-11-10 07:20:00,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-10 07:20:00,266 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 110 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 07:20:00,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 532 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 07:20:00,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-10 07:20:00,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 286. [2024-11-10 07:20:00,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 198 states have (on average 1.3333333333333333) internal successors, (264), 198 states have internal predecessors, (264), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 07:20:00,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 432 transitions. [2024-11-10 07:20:00,320 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 432 transitions. Word has length 194 [2024-11-10 07:20:00,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:20:00,321 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 432 transitions. [2024-11-10 07:20:00,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 07:20:00,321 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 432 transitions. [2024-11-10 07:20:00,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-10 07:20:00,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:20:00,327 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:20:00,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 07:20:00,327 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:20:00,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:20:00,329 INFO L85 PathProgramCache]: Analyzing trace with hash -220681031, now seen corresponding path program 1 times [2024-11-10 07:20:00,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:20:00,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322265741] [2024-11-10 07:20:00,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:20:00,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:20:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:20:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:20:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:20:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 07:20:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:20:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:20:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:20:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:20:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:20:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:20:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:20:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:20:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 07:20:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:20:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:20:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:20:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:20:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:20:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:20:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:20:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:20:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:20:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:20:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:20:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 07:20:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:20:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 07:20:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:20:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:01,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-10 07:20:01,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:20:01,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322265741] [2024-11-10 07:20:01,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322265741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:20:01,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:20:01,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 07:20:01,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959587272] [2024-11-10 07:20:01,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:20:01,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 07:20:01,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:20:01,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 07:20:01,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-10 07:20:01,277 INFO L87 Difference]: Start difference. First operand 286 states and 432 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 07:20:02,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:20:02,409 INFO L93 Difference]: Finished difference Result 968 states and 1462 transitions. [2024-11-10 07:20:02,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 07:20:02,412 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 194 [2024-11-10 07:20:02,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:20:02,425 INFO L225 Difference]: With dead ends: 968 [2024-11-10 07:20:02,425 INFO L226 Difference]: Without dead ends: 751 [2024-11-10 07:20:02,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-10 07:20:02,437 INFO L432 NwaCegarLoop]: 246 mSDtfsCounter, 491 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 07:20:02,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 747 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 07:20:02,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2024-11-10 07:20:02,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 411. [2024-11-10 07:20:02,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 294 states have (on average 1.3605442176870748) internal successors, (400), 294 states have internal predecessors, (400), 112 states have call successors, (112), 4 states have call predecessors, (112), 4 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-10 07:20:02,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 624 transitions. [2024-11-10 07:20:02,679 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 624 transitions. Word has length 194 [2024-11-10 07:20:02,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:20:02,680 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 624 transitions. [2024-11-10 07:20:02,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 07:20:02,680 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 624 transitions. [2024-11-10 07:20:02,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-10 07:20:02,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:20:02,689 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:20:02,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 07:20:02,689 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:20:02,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:20:02,689 INFO L85 PathProgramCache]: Analyzing trace with hash -731215208, now seen corresponding path program 1 times [2024-11-10 07:20:02,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:20:02,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780723050] [2024-11-10 07:20:02,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:20:02,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:20:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:20:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:20:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:20:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 07:20:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:20:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:20:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:20:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:20:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:20:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:20:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:20:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:20:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 07:20:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:20:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:20:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:20:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:20:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:20:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:20:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:20:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:20:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:20:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:20:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:20:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 07:20:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:20:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 07:20:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:20:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:03,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-10 07:20:03,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:20:03,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780723050] [2024-11-10 07:20:03,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780723050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:20:03,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:20:03,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 07:20:03,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814963946] [2024-11-10 07:20:03,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:20:03,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 07:20:03,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:20:03,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 07:20:03,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 07:20:03,348 INFO L87 Difference]: Start difference. First operand 411 states and 624 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 07:20:04,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:20:04,121 INFO L93 Difference]: Finished difference Result 1316 states and 1998 transitions. [2024-11-10 07:20:04,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 07:20:04,121 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 194 [2024-11-10 07:20:04,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:20:04,135 INFO L225 Difference]: With dead ends: 1316 [2024-11-10 07:20:04,135 INFO L226 Difference]: Without dead ends: 974 [2024-11-10 07:20:04,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-10 07:20:04,141 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 612 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 07:20:04,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 727 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 07:20:04,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2024-11-10 07:20:04,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 538. [2024-11-10 07:20:04,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 392 states have (on average 1.3801020408163265) internal successors, (541), 392 states have internal predecessors, (541), 140 states have call successors, (140), 5 states have call predecessors, (140), 5 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-10 07:20:04,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 821 transitions. [2024-11-10 07:20:04,361 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 821 transitions. Word has length 194 [2024-11-10 07:20:04,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:20:04,362 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 821 transitions. [2024-11-10 07:20:04,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 07:20:04,362 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 821 transitions. [2024-11-10 07:20:04,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-10 07:20:04,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:20:04,367 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:20:04,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 07:20:04,367 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:20:04,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:20:04,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1402824437, now seen corresponding path program 1 times [2024-11-10 07:20:04,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:20:04,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744663874] [2024-11-10 07:20:04,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:20:04,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:20:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:20:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:20:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:20:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 07:20:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:20:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:20:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:20:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:20:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:20:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:20:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:20:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:20:04,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 07:20:04,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:20:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:20:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:20:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:20:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:20:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:20:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:20:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:20:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:20:04,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:20:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:20:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 07:20:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:20:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 07:20:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:20:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:04,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-10 07:20:04,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:20:04,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744663874] [2024-11-10 07:20:04,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744663874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:20:04,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:20:04,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 07:20:04,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217801690] [2024-11-10 07:20:04,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:20:04,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 07:20:04,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:20:04,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 07:20:04,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 07:20:04,584 INFO L87 Difference]: Start difference. First operand 538 states and 821 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 07:20:05,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:20:05,048 INFO L93 Difference]: Finished difference Result 1458 states and 2227 transitions. [2024-11-10 07:20:05,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 07:20:05,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 195 [2024-11-10 07:20:05,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:20:05,053 INFO L225 Difference]: With dead ends: 1458 [2024-11-10 07:20:05,053 INFO L226 Difference]: Without dead ends: 989 [2024-11-10 07:20:05,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:20:05,055 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 168 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 07:20:05,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 453 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 07:20:05,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2024-11-10 07:20:05,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 986. [2024-11-10 07:20:05,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 724 states have (on average 1.3715469613259668) internal successors, (993), 724 states have internal predecessors, (993), 252 states have call successors, (252), 9 states have call predecessors, (252), 9 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-10 07:20:05,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1497 transitions. [2024-11-10 07:20:05,187 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1497 transitions. Word has length 195 [2024-11-10 07:20:05,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:20:05,187 INFO L471 AbstractCegarLoop]: Abstraction has 986 states and 1497 transitions. [2024-11-10 07:20:05,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 07:20:05,188 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1497 transitions. [2024-11-10 07:20:05,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-10 07:20:05,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:20:05,190 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:20:05,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 07:20:05,190 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:20:05,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:20:05,191 INFO L85 PathProgramCache]: Analyzing trace with hash 354479516, now seen corresponding path program 1 times [2024-11-10 07:20:05,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:20:05,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040537865] [2024-11-10 07:20:05,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:20:05,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:20:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:20:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:20:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:20:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 07:20:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:20:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:20:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:20:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:20:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:20:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:20:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:20:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:20:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 07:20:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:20:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:20:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:20:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:20:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:20:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:20:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:20:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:20:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:20:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:20:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:20:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 07:20:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:20:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 07:20:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:20:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:05,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-10 07:20:05,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:20:05,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040537865] [2024-11-10 07:20:05,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040537865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:20:05,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:20:05,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 07:20:05,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459386499] [2024-11-10 07:20:05,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:20:05,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 07:20:05,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:20:05,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 07:20:05,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 07:20:05,359 INFO L87 Difference]: Start difference. First operand 986 states and 1497 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 07:20:05,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:20:05,546 INFO L93 Difference]: Finished difference Result 1981 states and 3013 transitions. [2024-11-10 07:20:05,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 07:20:05,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 196 [2024-11-10 07:20:05,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:20:05,553 INFO L225 Difference]: With dead ends: 1981 [2024-11-10 07:20:05,553 INFO L226 Difference]: Without dead ends: 1066 [2024-11-10 07:20:05,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 07:20:05,557 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 19 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 07:20:05,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 290 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 07:20:05,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2024-11-10 07:20:05,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 986. [2024-11-10 07:20:05,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 724 states have (on average 1.3660220994475138) internal successors, (989), 724 states have internal predecessors, (989), 252 states have call successors, (252), 9 states have call predecessors, (252), 9 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-10 07:20:05,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1493 transitions. [2024-11-10 07:20:05,738 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1493 transitions. Word has length 196 [2024-11-10 07:20:05,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:20:05,740 INFO L471 AbstractCegarLoop]: Abstraction has 986 states and 1493 transitions. [2024-11-10 07:20:05,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 07:20:05,741 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1493 transitions. [2024-11-10 07:20:05,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-10 07:20:05,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:20:05,743 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:20:05,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 07:20:05,744 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:20:05,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:20:05,744 INFO L85 PathProgramCache]: Analyzing trace with hash -420931302, now seen corresponding path program 1 times [2024-11-10 07:20:05,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:20:05,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900147903] [2024-11-10 07:20:05,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:20:05,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:20:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:20:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:20:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:20:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 07:20:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:20:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:20:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:20:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:20:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:20:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:20:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:20:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:20:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 07:20:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:20:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:20:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:20:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:20:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:20:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:20:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:20:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:20:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:20:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:20:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:20:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 07:20:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:20:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 07:20:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:20:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 153 proven. 3 refuted. 0 times theorem prover too weak. 1356 trivial. 0 not checked. [2024-11-10 07:20:06,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:20:06,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900147903] [2024-11-10 07:20:06,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900147903] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 07:20:06,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203427524] [2024-11-10 07:20:06,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:20:06,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:20:06,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:20:06,383 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 07:20:06,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 07:20:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:06,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 07:20:06,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 07:20:06,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-10 07:20:06,682 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 07:20:06,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203427524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:20:06,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 07:20:06,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2024-11-10 07:20:06,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590066445] [2024-11-10 07:20:06,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:20:06,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 07:20:06,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:20:06,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 07:20:06,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-10 07:20:06,685 INFO L87 Difference]: Start difference. First operand 986 states and 1493 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 07:20:07,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:20:07,644 INFO L93 Difference]: Finished difference Result 2633 states and 3991 transitions. [2024-11-10 07:20:07,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 07:20:07,645 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 197 [2024-11-10 07:20:07,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:20:07,654 INFO L225 Difference]: With dead ends: 2633 [2024-11-10 07:20:07,654 INFO L226 Difference]: Without dead ends: 1714 [2024-11-10 07:20:07,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-10 07:20:07,658 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 278 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 954 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 07:20:07,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 954 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 07:20:07,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1714 states. [2024-11-10 07:20:07,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1714 to 1436. [2024-11-10 07:20:07,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1436 states, 1058 states have (on average 1.3487712665406428) internal successors, (1427), 1058 states have internal predecessors, (1427), 364 states have call successors, (364), 13 states have call predecessors, (364), 13 states have return successors, (364), 364 states have call predecessors, (364), 364 states have call successors, (364) [2024-11-10 07:20:07,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1436 states and 2155 transitions. [2024-11-10 07:20:07,878 INFO L78 Accepts]: Start accepts. Automaton has 1436 states and 2155 transitions. Word has length 197 [2024-11-10 07:20:07,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:20:07,878 INFO L471 AbstractCegarLoop]: Abstraction has 1436 states and 2155 transitions. [2024-11-10 07:20:07,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 07:20:07,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 2155 transitions. [2024-11-10 07:20:07,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-10 07:20:07,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:20:07,882 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:20:07,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 07:20:08,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:20:08,085 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:20:08,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:20:08,085 INFO L85 PathProgramCache]: Analyzing trace with hash -382563982, now seen corresponding path program 1 times [2024-11-10 07:20:08,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:20:08,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719721561] [2024-11-10 07:20:08,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:20:08,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:20:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:08,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:20:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:08,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:20:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:08,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:20:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:08,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 07:20:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:08,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:20:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:08,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:20:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:08,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:20:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:08,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:20:08,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:08,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:20:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:08,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:20:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:08,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:20:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:08,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:20:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:08,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 07:20:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:08,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:20:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:08,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:20:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:08,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:20:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:08,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:20:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:08,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:20:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:08,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:20:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:08,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:20:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:08,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:20:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:08,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:20:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:08,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:20:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:08,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:20:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:08,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 07:20:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:08,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:20:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:09,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 07:20:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:09,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:20:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:09,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-10 07:20:09,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:20:09,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719721561] [2024-11-10 07:20:09,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719721561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:20:09,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:20:09,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 07:20:09,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508097156] [2024-11-10 07:20:09,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:20:09,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 07:20:09,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:20:09,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 07:20:09,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 07:20:09,013 INFO L87 Difference]: Start difference. First operand 1436 states and 2155 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 07:20:10,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:20:10,946 INFO L93 Difference]: Finished difference Result 2906 states and 4354 transitions. [2024-11-10 07:20:10,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 07:20:10,949 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 197 [2024-11-10 07:20:10,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:20:10,958 INFO L225 Difference]: With dead ends: 2906 [2024-11-10 07:20:10,959 INFO L226 Difference]: Without dead ends: 1541 [2024-11-10 07:20:10,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 07:20:10,964 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 450 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-10 07:20:10,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 925 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-10 07:20:10,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states. [2024-11-10 07:20:11,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 1437. [2024-11-10 07:20:11,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1437 states, 1059 states have (on average 1.348441926345609) internal successors, (1428), 1059 states have internal predecessors, (1428), 364 states have call successors, (364), 13 states have call predecessors, (364), 13 states have return successors, (364), 364 states have call predecessors, (364), 364 states have call successors, (364) [2024-11-10 07:20:11,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1437 states and 2156 transitions. [2024-11-10 07:20:11,126 INFO L78 Accepts]: Start accepts. Automaton has 1437 states and 2156 transitions. Word has length 197 [2024-11-10 07:20:11,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:20:11,126 INFO L471 AbstractCegarLoop]: Abstraction has 1437 states and 2156 transitions. [2024-11-10 07:20:11,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 07:20:11,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 2156 transitions. [2024-11-10 07:20:11,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-10 07:20:11,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:20:11,132 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:20:11,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 07:20:11,132 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:20:11,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:20:11,133 INFO L85 PathProgramCache]: Analyzing trace with hash -77548269, now seen corresponding path program 1 times [2024-11-10 07:20:11,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:20:11,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611089939] [2024-11-10 07:20:11,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:20:11,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:20:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:20:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:20:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:20:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 07:20:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:20:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:20:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:20:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:20:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:20:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:20:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:20:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:20:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 07:20:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:20:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:20:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:20:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:20:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:20:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:20:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:20:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:20:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:20:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:20:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:20:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 07:20:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:20:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 07:20:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:20:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:11,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-10 07:20:11,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:20:11,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611089939] [2024-11-10 07:20:11,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611089939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:20:11,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:20:11,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 07:20:11,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079515595] [2024-11-10 07:20:11,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:20:11,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 07:20:11,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:20:11,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 07:20:11,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 07:20:11,556 INFO L87 Difference]: Start difference. First operand 1437 states and 2156 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 07:20:12,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:20:12,458 INFO L93 Difference]: Finished difference Result 3306 states and 4902 transitions. [2024-11-10 07:20:12,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 07:20:12,459 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 198 [2024-11-10 07:20:12,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:20:12,467 INFO L225 Difference]: With dead ends: 3306 [2024-11-10 07:20:12,467 INFO L226 Difference]: Without dead ends: 1940 [2024-11-10 07:20:12,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-10 07:20:12,471 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 412 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 07:20:12,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 544 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 07:20:12,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1940 states. [2024-11-10 07:20:12,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1940 to 1871. [2024-11-10 07:20:12,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1871 states, 1432 states have (on average 1.3470670391061452) internal successors, (1929), 1438 states have internal predecessors, (1929), 418 states have call successors, (418), 20 states have call predecessors, (418), 20 states have return successors, (418), 412 states have call predecessors, (418), 418 states have call successors, (418) [2024-11-10 07:20:12,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1871 states and 2765 transitions. [2024-11-10 07:20:12,659 INFO L78 Accepts]: Start accepts. Automaton has 1871 states and 2765 transitions. Word has length 198 [2024-11-10 07:20:12,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:20:12,659 INFO L471 AbstractCegarLoop]: Abstraction has 1871 states and 2765 transitions. [2024-11-10 07:20:12,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 07:20:12,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2765 transitions. [2024-11-10 07:20:12,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-10 07:20:12,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:20:12,662 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:20:12,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 07:20:12,662 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:20:12,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:20:12,662 INFO L85 PathProgramCache]: Analyzing trace with hash -206630988, now seen corresponding path program 1 times [2024-11-10 07:20:12,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:20:12,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211805598] [2024-11-10 07:20:12,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:20:12,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:20:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:20:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:20:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:20:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 07:20:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:20:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:20:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:20:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:20:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:20:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:20:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:20:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:20:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 07:20:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:20:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:20:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:20:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:20:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:20:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:20:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:20:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:20:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:20:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:20:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:20:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 07:20:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:20:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 07:20:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:20:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 153 proven. 3 refuted. 0 times theorem prover too weak. 1356 trivial. 0 not checked. [2024-11-10 07:20:13,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:20:13,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211805598] [2024-11-10 07:20:13,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211805598] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 07:20:13,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832660205] [2024-11-10 07:20:13,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:20:13,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:20:13,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:20:13,088 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 07:20:13,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 07:20:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:13,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 07:20:13,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 07:20:13,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 283 proven. 3 refuted. 0 times theorem prover too weak. 1226 trivial. 0 not checked. [2024-11-10 07:20:13,345 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 07:20:13,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 153 proven. 6 refuted. 0 times theorem prover too weak. 1353 trivial. 0 not checked. [2024-11-10 07:20:13,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832660205] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 07:20:13,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 07:20:13,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 15 [2024-11-10 07:20:13,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070180023] [2024-11-10 07:20:13,660 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 07:20:13,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 07:20:13,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:20:13,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 07:20:13,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2024-11-10 07:20:13,661 INFO L87 Difference]: Start difference. First operand 1871 states and 2765 transitions. Second operand has 15 states, 15 states have (on average 5.466666666666667) internal successors, (82), 15 states have internal predecessors, (82), 2 states have call successors, (30), 2 states have call predecessors, (30), 6 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-10 07:20:14,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:20:14,304 INFO L93 Difference]: Finished difference Result 2918 states and 4238 transitions. [2024-11-10 07:20:14,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 07:20:14,305 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.466666666666667) internal successors, (82), 15 states have internal predecessors, (82), 2 states have call successors, (30), 2 states have call predecessors, (30), 6 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 198 [2024-11-10 07:20:14,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:20:14,317 INFO L225 Difference]: With dead ends: 2918 [2024-11-10 07:20:14,317 INFO L226 Difference]: Without dead ends: 1127 [2024-11-10 07:20:14,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 445 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=242, Invalid=514, Unknown=0, NotChecked=0, Total=756 [2024-11-10 07:20:14,322 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 215 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 07:20:14,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 416 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 07:20:14,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2024-11-10 07:20:14,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 1059. [2024-11-10 07:20:14,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1059 states, 810 states have (on average 1.3135802469135802) internal successors, (1064), 813 states have internal predecessors, (1064), 223 states have call successors, (223), 25 states have call predecessors, (223), 25 states have return successors, (223), 220 states have call predecessors, (223), 223 states have call successors, (223) [2024-11-10 07:20:14,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1510 transitions. [2024-11-10 07:20:14,492 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1510 transitions. Word has length 198 [2024-11-10 07:20:14,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:20:14,493 INFO L471 AbstractCegarLoop]: Abstraction has 1059 states and 1510 transitions. [2024-11-10 07:20:14,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.466666666666667) internal successors, (82), 15 states have internal predecessors, (82), 2 states have call successors, (30), 2 states have call predecessors, (30), 6 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-10 07:20:14,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1510 transitions. [2024-11-10 07:20:14,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-10 07:20:14,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:20:14,495 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:20:14,512 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 07:20:14,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-10 07:20:14,696 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:20:14,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:20:14,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1384634997, now seen corresponding path program 1 times [2024-11-10 07:20:14,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:20:14,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929254958] [2024-11-10 07:20:14,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:20:14,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:20:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:20:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:20:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:20:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 07:20:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:20:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:20:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:20:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:20:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:20:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:20:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:20:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:20:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 07:20:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:20:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:20:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:20:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:20:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:20:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:20:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:20:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:20:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:20:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:20:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:20:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 07:20:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:20:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 07:20:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:20:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:14,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-10 07:20:14,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:20:14,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929254958] [2024-11-10 07:20:14,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929254958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:20:14,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:20:14,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 07:20:14,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554790488] [2024-11-10 07:20:14,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:20:14,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 07:20:14,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:20:14,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 07:20:14,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:20:14,983 INFO L87 Difference]: Start difference. First operand 1059 states and 1510 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 07:20:16,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:20:16,362 INFO L93 Difference]: Finished difference Result 3019 states and 4314 transitions. [2024-11-10 07:20:16,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 07:20:16,363 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 198 [2024-11-10 07:20:16,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:20:16,376 INFO L225 Difference]: With dead ends: 3019 [2024-11-10 07:20:16,377 INFO L226 Difference]: Without dead ends: 2048 [2024-11-10 07:20:16,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-10 07:20:16,381 INFO L432 NwaCegarLoop]: 338 mSDtfsCounter, 284 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 07:20:16,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 738 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 07:20:16,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2048 states. [2024-11-10 07:20:16,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2048 to 1478. [2024-11-10 07:20:16,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1478 states, 1157 states have (on average 1.3163353500432151) internal successors, (1523), 1161 states have internal predecessors, (1523), 288 states have call successors, (288), 32 states have call predecessors, (288), 32 states have return successors, (288), 284 states have call predecessors, (288), 288 states have call successors, (288) [2024-11-10 07:20:16,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 2099 transitions. [2024-11-10 07:20:16,722 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 2099 transitions. Word has length 198 [2024-11-10 07:20:16,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:20:16,723 INFO L471 AbstractCegarLoop]: Abstraction has 1478 states and 2099 transitions. [2024-11-10 07:20:16,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 07:20:16,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 2099 transitions. [2024-11-10 07:20:16,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-10 07:20:16,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:20:16,726 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:20:16,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 07:20:16,726 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:20:16,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:20:16,727 INFO L85 PathProgramCache]: Analyzing trace with hash -282077409, now seen corresponding path program 1 times [2024-11-10 07:20:16,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:20:16,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860882063] [2024-11-10 07:20:16,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:20:16,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:20:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:20:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:20:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:20:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 07:20:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:20:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:20:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:20:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:20:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:20:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:20:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:20:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:20:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 07:20:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:20:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:20:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:20:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:20:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:20:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:20:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:20:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:20:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:20:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:20:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:20:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 07:20:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:20:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 07:20:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:20:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:17,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-10 07:20:17,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:20:17,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860882063] [2024-11-10 07:20:17,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860882063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:20:17,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:20:17,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 07:20:17,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357857499] [2024-11-10 07:20:17,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:20:17,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 07:20:17,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:20:17,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 07:20:17,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-10 07:20:17,813 INFO L87 Difference]: Start difference. First operand 1478 states and 2099 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 07:20:18,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:20:18,432 INFO L93 Difference]: Finished difference Result 3261 states and 4613 transitions. [2024-11-10 07:20:18,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 07:20:18,432 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 198 [2024-11-10 07:20:18,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:20:18,440 INFO L225 Difference]: With dead ends: 3261 [2024-11-10 07:20:18,440 INFO L226 Difference]: Without dead ends: 1871 [2024-11-10 07:20:18,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-10 07:20:18,443 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 194 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 07:20:18,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 752 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 07:20:18,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2024-11-10 07:20:18,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1580. [2024-11-10 07:20:18,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1580 states, 1259 states have (on average 1.318506751389992) internal successors, (1660), 1263 states have internal predecessors, (1660), 288 states have call successors, (288), 32 states have call predecessors, (288), 32 states have return successors, (288), 284 states have call predecessors, (288), 288 states have call successors, (288) [2024-11-10 07:20:18,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2236 transitions. [2024-11-10 07:20:18,721 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2236 transitions. Word has length 198 [2024-11-10 07:20:18,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:20:18,721 INFO L471 AbstractCegarLoop]: Abstraction has 1580 states and 2236 transitions. [2024-11-10 07:20:18,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 07:20:18,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2236 transitions. [2024-11-10 07:20:18,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-10 07:20:18,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:20:18,724 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:20:18,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 07:20:18,724 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:20:18,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:20:18,724 INFO L85 PathProgramCache]: Analyzing trace with hash -427378960, now seen corresponding path program 1 times [2024-11-10 07:20:18,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:20:18,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180912476] [2024-11-10 07:20:18,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:20:18,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:20:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:20:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:20:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:20:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 07:20:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:20:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:20:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:20:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:20:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:20:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:20:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:20:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:20:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 07:20:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:20:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:20:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:20:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:20:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:20:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:20:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:20:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:20:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:20:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:20:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:20:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 07:20:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 07:20:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 07:20:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 07:20:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:19,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-10 07:20:19,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:20:19,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180912476] [2024-11-10 07:20:19,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180912476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:20:19,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:20:19,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 07:20:19,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992886802] [2024-11-10 07:20:19,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:20:19,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 07:20:19,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:20:19,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 07:20:19,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 07:20:19,317 INFO L87 Difference]: Start difference. First operand 1580 states and 2236 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 07:20:20,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:20:20,160 INFO L93 Difference]: Finished difference Result 3267 states and 4619 transitions. [2024-11-10 07:20:20,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 07:20:20,160 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 199 [2024-11-10 07:20:20,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:20:20,172 INFO L225 Difference]: With dead ends: 3267 [2024-11-10 07:20:20,172 INFO L226 Difference]: Without dead ends: 1877 [2024-11-10 07:20:20,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-10 07:20:20,176 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 286 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 07:20:20,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 580 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 07:20:20,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1877 states. [2024-11-10 07:20:20,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1877 to 1567. [2024-11-10 07:20:20,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1567 states, 1246 states have (on average 1.312199036918138) internal successors, (1635), 1250 states have internal predecessors, (1635), 288 states have call successors, (288), 32 states have call predecessors, (288), 32 states have return successors, (288), 284 states have call predecessors, (288), 288 states have call successors, (288) [2024-11-10 07:20:20,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1567 states and 2211 transitions. [2024-11-10 07:20:20,425 INFO L78 Accepts]: Start accepts. Automaton has 1567 states and 2211 transitions. Word has length 199 [2024-11-10 07:20:20,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:20:20,426 INFO L471 AbstractCegarLoop]: Abstraction has 1567 states and 2211 transitions. [2024-11-10 07:20:20,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 07:20:20,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 2211 transitions. [2024-11-10 07:20:20,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-10 07:20:20,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:20:20,428 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:20:20,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 07:20:20,429 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:20:20,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:20:20,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1142056483, now seen corresponding path program 1 times [2024-11-10 07:20:20,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:20:20,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312054509] [2024-11-10 07:20:20,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:20:20,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:20:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 07:20:20,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [712830506] [2024-11-10 07:20:20,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:20:20,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:20:20,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:20:20,521 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 07:20:20,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 07:20:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:20:21,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-10 07:20:21,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 07:20:50,097 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-10 07:21:14,402 WARN L286 SmtUtils]: Spent 16.05s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)