./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-25.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_25-while_file-25.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 7c1e6f9b7837b3a4d3a233b1a377077cbc39874bd10e396a331467935604efb0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 07:33:15,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 07:33:15,567 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 07:33:15,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 07:33:15,575 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 07:33:15,601 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 07:33:15,601 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 07:33:15,602 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 07:33:15,602 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 07:33:15,603 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 07:33:15,603 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 07:33:15,604 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 07:33:15,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 07:33:15,606 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 07:33:15,606 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 07:33:15,606 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 07:33:15,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 07:33:15,607 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 07:33:15,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 07:33:15,607 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 07:33:15,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 07:33:15,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 07:33:15,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 07:33:15,611 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 07:33:15,612 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 07:33:15,612 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 07:33:15,612 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 07:33:15,612 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 07:33:15,612 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 07:33:15,613 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 07:33:15,613 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 07:33:15,613 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 07:33:15,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 07:33:15,613 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 07:33:15,614 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 07:33:15,614 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 07:33:15,614 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 07:33:15,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 07:33:15,615 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 07:33:15,615 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 07:33:15,615 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 07:33:15,617 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 07:33:15,618 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c1e6f9b7837b3a4d3a233b1a377077cbc39874bd10e396a331467935604efb0 [2024-11-10 07:33:15,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 07:33:15,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 07:33:15,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 07:33:15,893 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 07:33:15,893 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 07:33:15,894 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-25.i [2024-11-10 07:33:17,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 07:33:17,560 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 07:33:17,560 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-25.i [2024-11-10 07:33:17,568 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87dd9c540/b8c1531da636490e8f53b2bbbf1689d2/FLAGc73bd7157 [2024-11-10 07:33:17,922 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87dd9c540/b8c1531da636490e8f53b2bbbf1689d2 [2024-11-10 07:33:17,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 07:33:17,927 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 07:33:17,930 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 07:33:17,930 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 07:33:17,935 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 07:33:17,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:33:17" (1/1) ... [2024-11-10 07:33:17,937 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d81569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:17, skipping insertion in model container [2024-11-10 07:33:17,937 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:33:17" (1/1) ... [2024-11-10 07:33:17,968 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 07:33:18,113 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_25-while_file-25.i[915,928] [2024-11-10 07:33:18,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 07:33:18,155 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 07:33:18,166 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_25-while_file-25.i[915,928] [2024-11-10 07:33:18,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 07:33:18,213 INFO L204 MainTranslator]: Completed translation [2024-11-10 07:33:18,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:18 WrapperNode [2024-11-10 07:33:18,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 07:33:18,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 07:33:18,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 07:33:18,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 07:33:18,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:18" (1/1) ... [2024-11-10 07:33:18,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:18" (1/1) ... [2024-11-10 07:33:18,260 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124 [2024-11-10 07:33:18,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 07:33:18,265 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 07:33:18,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 07:33:18,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 07:33:18,280 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:18" (1/1) ... [2024-11-10 07:33:18,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:18" (1/1) ... [2024-11-10 07:33:18,282 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:18" (1/1) ... [2024-11-10 07:33:18,300 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 07:33:18,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:18" (1/1) ... [2024-11-10 07:33:18,303 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:18" (1/1) ... [2024-11-10 07:33:18,307 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:18" (1/1) ... [2024-11-10 07:33:18,310 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:18" (1/1) ... [2024-11-10 07:33:18,311 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:18" (1/1) ... [2024-11-10 07:33:18,312 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:18" (1/1) ... [2024-11-10 07:33:18,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 07:33:18,319 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 07:33:18,319 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 07:33:18,319 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 07:33:18,320 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:18" (1/1) ... [2024-11-10 07:33:18,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 07:33:18,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:33:18,356 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 07:33:18,363 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 07:33:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 07:33:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 07:33:18,403 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 07:33:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 07:33:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 07:33:18,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 07:33:18,473 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 07:33:18,475 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 07:33:18,755 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-10 07:33:18,756 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 07:33:18,773 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 07:33:18,773 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 07:33:18,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:33:18 BoogieIcfgContainer [2024-11-10 07:33:18,773 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 07:33:18,775 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 07:33:18,775 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 07:33:18,778 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 07:33:18,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:33:17" (1/3) ... [2024-11-10 07:33:18,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b38ea9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:33:18, skipping insertion in model container [2024-11-10 07:33:18,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:18" (2/3) ... [2024-11-10 07:33:18,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b38ea9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:33:18, skipping insertion in model container [2024-11-10 07:33:18,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:33:18" (3/3) ... [2024-11-10 07:33:18,782 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-25.i [2024-11-10 07:33:18,796 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 07:33:18,797 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 07:33:18,857 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 07:33:18,862 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;@273ed6e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 07:33:18,862 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 07:33:18,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 36 states have internal predecessors, (44), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 07:33:18,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-10 07:33:18,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:33:18,878 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:33:18,878 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:33:18,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:33:18,882 INFO L85 PathProgramCache]: Analyzing trace with hash 258633764, now seen corresponding path program 1 times [2024-11-10 07:33:18,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:33:18,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029881533] [2024-11-10 07:33:18,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:33:18,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:33:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:19,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:33:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:19,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:33:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:19,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:33:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:19,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:33:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:19,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:33:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:19,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:33:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:19,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:33:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:19,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:33:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:19,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:33:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:19,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:33:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:19,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:33:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:19,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:33:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:19,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:33:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:19,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:33:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:19,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:33:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:19,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:33:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:19,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:33:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:19,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:33:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:19,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:33:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:19,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:33:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:19,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:33:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:19,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:33:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:19,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:33:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:19,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 07:33:19,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:33:19,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029881533] [2024-11-10 07:33:19,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029881533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:33:19,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:33:19,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 07:33:19,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614674345] [2024-11-10 07:33:19,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:33:19,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 07:33:19,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:33:19,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 07:33:19,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 07:33:19,193 INFO L87 Difference]: Start difference. First operand has 61 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 36 states have internal predecessors, (44), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 07:33:19,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:33:19,213 INFO L93 Difference]: Finished difference Result 114 states and 196 transitions. [2024-11-10 07:33:19,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 07:33:19,216 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 141 [2024-11-10 07:33:19,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:33:19,221 INFO L225 Difference]: With dead ends: 114 [2024-11-10 07:33:19,221 INFO L226 Difference]: Without dead ends: 56 [2024-11-10 07:33:19,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 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 07:33:19,227 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 07:33:19,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 07:33:19,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-10 07:33:19,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-10 07:33:19,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 31 states have internal predecessors, (36), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 07:33:19,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 82 transitions. [2024-11-10 07:33:19,263 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 82 transitions. Word has length 141 [2024-11-10 07:33:19,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:33:19,263 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 82 transitions. [2024-11-10 07:33:19,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 07:33:19,264 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2024-11-10 07:33:19,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-10 07:33:19,266 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:33:19,266 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:33:19,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 07:33:19,267 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:33:19,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:33:19,267 INFO L85 PathProgramCache]: Analyzing trace with hash -885622173, now seen corresponding path program 1 times [2024-11-10 07:33:19,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:33:19,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797091936] [2024-11-10 07:33:19,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:33:19,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:33:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:20,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:33:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:20,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:33:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:20,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:33:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:20,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:33:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:20,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:33:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:20,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:33:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:20,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:33:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:20,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:33:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:20,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:33:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:20,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:33:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:20,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:33:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:20,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:33:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:20,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:33:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:20,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:33:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:20,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:33:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:20,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:33:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:20,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:33:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:20,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:33:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:20,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:33:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:20,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:33:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:20,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:33:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:20,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:33:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:20,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:33:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:20,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 07:33:20,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:33:20,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797091936] [2024-11-10 07:33:20,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797091936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:33:20,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:33:20,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 07:33:20,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852060491] [2024-11-10 07:33:20,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:33:20,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 07:33:20,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:33:20,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 07:33:20,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 07:33:20,925 INFO L87 Difference]: Start difference. First operand 56 states and 82 transitions. Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 07:33:21,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:33:21,887 INFO L93 Difference]: Finished difference Result 98 states and 130 transitions. [2024-11-10 07:33:21,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 07:33:21,888 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 141 [2024-11-10 07:33:21,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:33:21,890 INFO L225 Difference]: With dead ends: 98 [2024-11-10 07:33:21,890 INFO L226 Difference]: Without dead ends: 95 [2024-11-10 07:33:21,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 07:33:21,892 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 61 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 07:33:21,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 469 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 07:33:21,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-10 07:33:21,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 75. [2024-11-10 07:33:21,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 45 states have (on average 1.1555555555555554) internal successors, (52), 46 states have internal predecessors, (52), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-10 07:33:21,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2024-11-10 07:33:21,910 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 141 [2024-11-10 07:33:21,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:33:21,911 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2024-11-10 07:33:21,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 07:33:21,911 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2024-11-10 07:33:21,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-10 07:33:21,913 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:33:21,913 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:33:21,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 07:33:21,913 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:33:21,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:33:21,914 INFO L85 PathProgramCache]: Analyzing trace with hash -856993022, now seen corresponding path program 1 times [2024-11-10 07:33:21,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:33:21,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720902812] [2024-11-10 07:33:21,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:33:21,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:33:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:23,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:33:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:23,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:33:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:23,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:33:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:23,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:33:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:23,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:33:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:23,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:33:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:23,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:33:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:23,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:33:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:23,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:33:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:23,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:33:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:23,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:33:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:23,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:33:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:23,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:33:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:23,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:33:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:23,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:33:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:23,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:33:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:23,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:33:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:23,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:33:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:23,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:33:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:23,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:33:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:23,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:33:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:23,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:33:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:23,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:33:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:23,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 07:33:23,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:33:23,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720902812] [2024-11-10 07:33:23,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720902812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:33:23,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:33:23,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 07:33:23,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744051167] [2024-11-10 07:33:23,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:33:23,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 07:33:23,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:33:23,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 07:33:23,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 07:33:23,179 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 07:33:24,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:33:24,757 INFO L93 Difference]: Finished difference Result 94 states and 126 transitions. [2024-11-10 07:33:24,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 07:33:24,758 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 141 [2024-11-10 07:33:24,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:33:24,761 INFO L225 Difference]: With dead ends: 94 [2024-11-10 07:33:24,761 INFO L226 Difference]: Without dead ends: 91 [2024-11-10 07:33:24,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 07:33:24,762 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 30 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 07:33:24,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 414 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 07:33:24,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-10 07:33:24,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 78. [2024-11-10 07:33:24,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 49 states have internal predecessors, (55), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-10 07:33:24,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2024-11-10 07:33:24,776 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 141 [2024-11-10 07:33:24,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:33:24,777 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2024-11-10 07:33:24,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 07:33:24,777 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2024-11-10 07:33:24,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-10 07:33:24,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:33:24,782 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:33:24,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 07:33:24,783 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:33:24,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:33:24,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1881508, now seen corresponding path program 1 times [2024-11-10 07:33:24,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:33:24,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622986541] [2024-11-10 07:33:24,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:33:24,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:33:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:27,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:33:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:27,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:33:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:27,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:33:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:27,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:33:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:27,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:33:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:27,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:33:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:27,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:33:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:27,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:33:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:27,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:33:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:27,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:33:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:27,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:33:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:27,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:33:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:27,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:33:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:27,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:33:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:27,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:33:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:27,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:33:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:27,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:33:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:27,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:33:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:27,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:33:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:27,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:33:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:27,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:33:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:27,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:33:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:27,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:33:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:27,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 07:33:27,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:33:27,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622986541] [2024-11-10 07:33:27,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622986541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:33:27,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:33:27,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 07:33:27,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789096854] [2024-11-10 07:33:27,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:33:27,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 07:33:27,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:33:27,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 07:33:27,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 07:33:27,322 INFO L87 Difference]: Start difference. First operand 78 states and 109 transitions. Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 07:33:28,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:33:28,869 INFO L93 Difference]: Finished difference Result 111 states and 146 transitions. [2024-11-10 07:33:28,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 07:33:28,870 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 141 [2024-11-10 07:33:28,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:33:28,872 INFO L225 Difference]: With dead ends: 111 [2024-11-10 07:33:28,872 INFO L226 Difference]: Without dead ends: 108 [2024-11-10 07:33:28,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 07:33:28,873 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 45 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 07:33:28,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 422 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 07:33:28,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-10 07:33:28,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 79. [2024-11-10 07:33:28,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 49 states have (on average 1.163265306122449) internal successors, (57), 50 states have internal predecessors, (57), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-10 07:33:28,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 111 transitions. [2024-11-10 07:33:28,886 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 111 transitions. Word has length 141 [2024-11-10 07:33:28,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:33:28,887 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 111 transitions. [2024-11-10 07:33:28,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 07:33:28,887 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2024-11-10 07:33:28,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-10 07:33:28,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:33:28,889 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:33:28,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 07:33:28,889 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:33:28,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:33:28,889 INFO L85 PathProgramCache]: Analyzing trace with hash 30510659, now seen corresponding path program 1 times [2024-11-10 07:33:28,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:33:28,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608244278] [2024-11-10 07:33:28,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:33:28,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:33:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:29,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:33:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:29,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:33:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:29,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:33:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:29,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:33:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:29,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:33:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:29,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:33:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:29,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:33:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:29,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:33:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:29,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:33:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:29,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:33:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:29,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:33:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:29,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:33:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:29,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:33:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:29,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:33:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:29,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:33:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:29,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:33:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:29,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:33:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:29,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:33:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:29,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:33:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:29,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:33:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:29,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:33:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:29,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:33:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:29,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:33:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:29,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 07:33:29,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:33:29,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608244278] [2024-11-10 07:33:29,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608244278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:33:29,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:33:29,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 07:33:29,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818485285] [2024-11-10 07:33:29,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:33:29,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 07:33:29,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:33:29,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 07:33:29,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 07:33:29,844 INFO L87 Difference]: Start difference. First operand 79 states and 111 transitions. Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 07:33:30,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:33:30,194 INFO L93 Difference]: Finished difference Result 97 states and 129 transitions. [2024-11-10 07:33:30,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 07:33:30,195 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 141 [2024-11-10 07:33:30,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:33:30,196 INFO L225 Difference]: With dead ends: 97 [2024-11-10 07:33:30,197 INFO L226 Difference]: Without dead ends: 94 [2024-11-10 07:33:30,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 07:33:30,198 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 19 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 07:33:30,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 386 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 07:33:30,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-10 07:33:30,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 78. [2024-11-10 07:33:30,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 49 states have internal predecessors, (55), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-10 07:33:30,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2024-11-10 07:33:30,210 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 141 [2024-11-10 07:33:30,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:33:30,210 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2024-11-10 07:33:30,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 07:33:30,211 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2024-11-10 07:33:30,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-10 07:33:30,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:33:30,212 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:33:30,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 07:33:30,212 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:33:30,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:33:30,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1602713251, now seen corresponding path program 1 times [2024-11-10 07:33:30,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:33:30,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94840833] [2024-11-10 07:33:30,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:33:30,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:33:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:30,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:33:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:30,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:33:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:30,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:33:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:30,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:33:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:30,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:33:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:30,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:33:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:30,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:33:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:30,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:33:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:30,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:33:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:30,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:33:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:30,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:33:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:30,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:33:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:30,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:33:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:30,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:33:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:30,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:33:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:30,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:33:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:30,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:33:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:30,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:33:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:30,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:33:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:30,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:33:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:30,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:33:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:30,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:33:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:30,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:33:30,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:30,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 07:33:30,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:33:30,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94840833] [2024-11-10 07:33:30,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94840833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:33:30,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:33:30,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 07:33:30,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116204255] [2024-11-10 07:33:30,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:33:30,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 07:33:30,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:33:30,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 07:33:30,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 07:33:30,455 INFO L87 Difference]: Start difference. First operand 78 states and 109 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 07:33:30,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:33:30,564 INFO L93 Difference]: Finished difference Result 219 states and 306 transitions. [2024-11-10 07:33:30,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 07:33:30,565 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 142 [2024-11-10 07:33:30,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:33:30,566 INFO L225 Difference]: With dead ends: 219 [2024-11-10 07:33:30,566 INFO L226 Difference]: Without dead ends: 144 [2024-11-10 07:33:30,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 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 07:33:30,568 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 53 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 07:33:30,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 229 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 07:33:30,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-10 07:33:30,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 124. [2024-11-10 07:33:30,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 70 states have (on average 1.1142857142857143) internal successors, (78), 71 states have internal predecessors, (78), 50 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-10 07:33:30,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 178 transitions. [2024-11-10 07:33:30,598 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 178 transitions. Word has length 142 [2024-11-10 07:33:30,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:33:30,598 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 178 transitions. [2024-11-10 07:33:30,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 07:33:30,599 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 178 transitions. [2024-11-10 07:33:30,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-10 07:33:30,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:33:30,602 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:33:30,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 07:33:30,602 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:33:30,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:33:30,603 INFO L85 PathProgramCache]: Analyzing trace with hash 508552132, now seen corresponding path program 1 times [2024-11-10 07:33:30,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:33:30,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110429218] [2024-11-10 07:33:30,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:33:30,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:33:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:33:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:33:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:33:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:33:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:33:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:33:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:33:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:33:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:33:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:33:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:33:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:33:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:33:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:33:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:33:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:33:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:33:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:33:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:33:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:33:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:33:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:33:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:33:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 07:33:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 07:33:34,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 07:33:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 07:33:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 07:33:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 07:33:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 07:33:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-10 07:33:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 07:33:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-10 07:33:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-10 07:33:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-10 07:33:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-10 07:33:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-10 07:33:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 07:33:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 07:33:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 07:33:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-10 07:33:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 07:33:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-10 07:33:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-10 07:33:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-10 07:33:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-10 07:33:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:34,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4184 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4178 trivial. 0 not checked. [2024-11-10 07:33:34,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:33:34,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110429218] [2024-11-10 07:33:34,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110429218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:33:34,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:33:34,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 07:33:34,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22906689] [2024-11-10 07:33:34,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:33:34,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 07:33:34,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:33:34,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 07:33:34,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-10 07:33:34,509 INFO L87 Difference]: Start difference. First operand 124 states and 178 transitions. Second operand has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 07:33:38,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:33:38,152 INFO L93 Difference]: Finished difference Result 166 states and 224 transitions. [2024-11-10 07:33:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 07:33:38,153 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 279 [2024-11-10 07:33:38,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:33:38,156 INFO L225 Difference]: With dead ends: 166 [2024-11-10 07:33:38,156 INFO L226 Difference]: Without dead ends: 163 [2024-11-10 07:33:38,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-10 07:33:38,159 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 55 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 07:33:38,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 493 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 07:33:38,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-10 07:33:38,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 130. [2024-11-10 07:33:38,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 76 states have (on average 1.131578947368421) internal successors, (86), 77 states have internal predecessors, (86), 50 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-10 07:33:38,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 186 transitions. [2024-11-10 07:33:38,184 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 186 transitions. Word has length 279 [2024-11-10 07:33:38,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:33:38,185 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 186 transitions. [2024-11-10 07:33:38,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 07:33:38,186 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 186 transitions. [2024-11-10 07:33:38,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-10 07:33:38,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:33:38,188 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:33:38,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 07:33:38,189 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:33:38,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:33:38,189 INFO L85 PathProgramCache]: Analyzing trace with hash 537181283, now seen corresponding path program 1 times [2024-11-10 07:33:38,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:33:38,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554605270] [2024-11-10 07:33:38,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:33:38,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:33:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:33:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:33:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:33:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:33:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:33:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:33:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:33:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:33:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:33:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:33:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:33:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:33:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:33:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:33:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:33:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:33:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:33:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:33:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:33:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:33:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:33:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:33:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:33:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 07:33:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 07:33:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 07:33:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 07:33:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 07:33:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 07:33:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 07:33:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-10 07:33:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 07:33:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-10 07:33:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-10 07:33:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-10 07:33:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-10 07:33:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-10 07:33:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 07:33:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 07:33:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 07:33:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-10 07:33:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 07:33:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-10 07:33:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-10 07:33:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-10 07:33:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-10 07:33:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:41,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4184 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4178 trivial. 0 not checked. [2024-11-10 07:33:41,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:33:41,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554605270] [2024-11-10 07:33:41,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554605270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:33:41,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:33:41,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 07:33:41,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125893559] [2024-11-10 07:33:41,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:33:41,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 07:33:41,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:33:41,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 07:33:41,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-10 07:33:41,283 INFO L87 Difference]: Start difference. First operand 130 states and 186 transitions. Second operand has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 07:33:42,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:33:42,920 INFO L93 Difference]: Finished difference Result 163 states and 221 transitions. [2024-11-10 07:33:42,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 07:33:42,921 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 279 [2024-11-10 07:33:42,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:33:42,923 INFO L225 Difference]: With dead ends: 163 [2024-11-10 07:33:42,923 INFO L226 Difference]: Without dead ends: 160 [2024-11-10 07:33:42,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-10 07:33:42,928 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 59 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 07:33:42,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 422 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 07:33:42,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-10 07:33:42,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 130. [2024-11-10 07:33:42,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 76 states have (on average 1.131578947368421) internal successors, (86), 77 states have internal predecessors, (86), 50 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-10 07:33:42,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 186 transitions. [2024-11-10 07:33:42,957 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 186 transitions. Word has length 279 [2024-11-10 07:33:42,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:33:42,958 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 186 transitions. [2024-11-10 07:33:42,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 07:33:42,958 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 186 transitions. [2024-11-10 07:33:42,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-10 07:33:42,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:33:42,961 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:33:42,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 07:33:42,962 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:33:42,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:33:42,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1396055813, now seen corresponding path program 1 times [2024-11-10 07:33:42,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:33:42,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974907439] [2024-11-10 07:33:42,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:33:42,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:33:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:33:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:33:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:33:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:33:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:33:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:33:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:33:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:33:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:33:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:33:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:33:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:33:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:33:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:33:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:33:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:33:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:33:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:33:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:33:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:33:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:33:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:33:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:33:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 07:33:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 07:33:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 07:33:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 07:33:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 07:33:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 07:33:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 07:33:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-10 07:33:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 07:33:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-10 07:33:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-10 07:33:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-10 07:33:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-10 07:33:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-10 07:33:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 07:33:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 07:33:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 07:33:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-10 07:33:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 07:33:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-10 07:33:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-10 07:33:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-10 07:33:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-10 07:33:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:33:47,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4184 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4178 trivial. 0 not checked. [2024-11-10 07:33:47,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:33:47,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974907439] [2024-11-10 07:33:47,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974907439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:33:47,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:33:47,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 07:33:47,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398182626] [2024-11-10 07:33:47,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:33:47,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 07:33:47,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:33:47,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 07:33:47,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-10 07:33:47,576 INFO L87 Difference]: Start difference. First operand 130 states and 186 transitions. Second operand has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 07:33:49,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:33:49,513 INFO L93 Difference]: Finished difference Result 163 states and 220 transitions. [2024-11-10 07:33:49,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 07:33:49,514 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 279 [2024-11-10 07:33:49,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:33:49,515 INFO L225 Difference]: With dead ends: 163 [2024-11-10 07:33:49,515 INFO L226 Difference]: Without dead ends: 160 [2024-11-10 07:33:49,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-10 07:33:49,517 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 39 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 07:33:49,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 463 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 07:33:49,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-10 07:33:49,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 131. [2024-11-10 07:33:49,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 77 states have (on average 1.1428571428571428) internal successors, (88), 78 states have internal predecessors, (88), 50 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-10 07:33:49,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 188 transitions. [2024-11-10 07:33:49,543 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 188 transitions. Word has length 279 [2024-11-10 07:33:49,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:33:49,546 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 188 transitions. [2024-11-10 07:33:49,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 07:33:49,546 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 188 transitions. [2024-11-10 07:33:49,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-10 07:33:49,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:33:49,550 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:33:49,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 07:33:49,550 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:33:49,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:33:49,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1424684964, now seen corresponding path program 1 times [2024-11-10 07:33:49,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:33:49,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788864174] [2024-11-10 07:33:49,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:33:49,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:33:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat