./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-13.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_operatoramount_amount250_file-13.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 da8d6803321973ca630199b6637b3c7e1909a2521698c73f2599b09c55d0dc3c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 08:20:19,267 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 08:20:19,354 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 08:20:19,363 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 08:20:19,363 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 08:20:19,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 08:20:19,386 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 08:20:19,386 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 08:20:19,387 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 08:20:19,387 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 08:20:19,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 08:20:19,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 08:20:19,388 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 08:20:19,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 08:20:19,389 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 08:20:19,389 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 08:20:19,390 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 08:20:19,390 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 08:20:19,391 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 08:20:19,391 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 08:20:19,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 08:20:19,392 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 08:20:19,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 08:20:19,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 08:20:19,393 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 08:20:19,394 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 08:20:19,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 08:20:19,394 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 08:20:19,395 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 08:20:19,395 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 08:20:19,395 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 08:20:19,395 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 08:20:19,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:20:19,396 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 08:20:19,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 08:20:19,397 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 08:20:19,397 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 08:20:19,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 08:20:19,398 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 08:20:19,398 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 08:20:19,399 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 08:20:19,399 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 08:20:19,399 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da8d6803321973ca630199b6637b3c7e1909a2521698c73f2599b09c55d0dc3c [2024-11-10 08:20:19,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 08:20:19,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 08:20:19,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 08:20:19,708 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 08:20:19,709 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 08:20:19,710 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-13.i [2024-11-10 08:20:21,168 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 08:20:21,418 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 08:20:21,419 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-13.i [2024-11-10 08:20:21,429 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3639f299f/7a01c259c8884063bf7309cef826141e/FLAG30ace6e7c [2024-11-10 08:20:21,442 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3639f299f/7a01c259c8884063bf7309cef826141e [2024-11-10 08:20:21,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 08:20:21,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 08:20:21,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 08:20:21,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 08:20:21,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 08:20:21,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:20:21" (1/1) ... [2024-11-10 08:20:21,453 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a2eb43d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:20:21, skipping insertion in model container [2024-11-10 08:20:21,453 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:20:21" (1/1) ... [2024-11-10 08:20:21,499 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 08:20:21,708 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_operatoramount_amount250_file-13.i[916,929] [2024-11-10 08:20:21,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:20:21,903 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 08:20:21,914 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_operatoramount_amount250_file-13.i[916,929] [2024-11-10 08:20:21,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:20:22,015 INFO L204 MainTranslator]: Completed translation [2024-11-10 08:20:22,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:20:22 WrapperNode [2024-11-10 08:20:22,016 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 08:20:22,017 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 08:20:22,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 08:20:22,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 08:20:22,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:20:22" (1/1) ... [2024-11-10 08:20:22,040 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:20:22" (1/1) ... [2024-11-10 08:20:22,116 INFO L138 Inliner]: procedures = 26, calls = 65, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 409 [2024-11-10 08:20:22,116 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 08:20:22,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 08:20:22,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 08:20:22,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 08:20:22,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:20:22" (1/1) ... [2024-11-10 08:20:22,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:20:22" (1/1) ... [2024-11-10 08:20:22,141 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:20:22" (1/1) ... [2024-11-10 08:20:22,241 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 08:20:22,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:20:22" (1/1) ... [2024-11-10 08:20:22,242 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:20:22" (1/1) ... [2024-11-10 08:20:22,286 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:20:22" (1/1) ... [2024-11-10 08:20:22,292 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:20:22" (1/1) ... [2024-11-10 08:20:22,304 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:20:22" (1/1) ... [2024-11-10 08:20:22,312 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:20:22" (1/1) ... [2024-11-10 08:20:22,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 08:20:22,324 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 08:20:22,325 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 08:20:22,325 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 08:20:22,326 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:20:22" (1/1) ... [2024-11-10 08:20:22,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:20:22,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:20:22,361 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 08:20:22,365 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 08:20:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 08:20:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 08:20:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 08:20:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 08:20:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 08:20:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 08:20:22,551 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 08:20:22,553 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 08:20:23,222 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L377: havoc property_#t~bitwise36#1;havoc property_#t~ite38#1;havoc property_#t~bitwise37#1;havoc property_#t~short39#1; [2024-11-10 08:20:23,297 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-10 08:20:23,297 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 08:20:23,329 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 08:20:23,330 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 08:20:23,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:20:23 BoogieIcfgContainer [2024-11-10 08:20:23,331 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 08:20:23,334 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 08:20:23,334 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 08:20:23,338 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 08:20:23,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 08:20:21" (1/3) ... [2024-11-10 08:20:23,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6480b3f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:20:23, skipping insertion in model container [2024-11-10 08:20:23,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:20:22" (2/3) ... [2024-11-10 08:20:23,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6480b3f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:20:23, skipping insertion in model container [2024-11-10 08:20:23,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:20:23" (3/3) ... [2024-11-10 08:20:23,342 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-13.i [2024-11-10 08:20:23,357 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 08:20:23,357 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 08:20:23,422 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 08:20:23,427 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;@a7e3c74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 08:20:23,428 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 08:20:23,434 INFO L276 IsEmpty]: Start isEmpty. Operand has 176 states, 121 states have (on average 1.462809917355372) internal successors, (177), 122 states have internal predecessors, (177), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-10 08:20:23,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2024-11-10 08:20:23,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:20:23,453 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:20:23,453 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:20:23,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:20:23,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1827890667, now seen corresponding path program 1 times [2024-11-10 08:20:23,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:20:23,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534057139] [2024-11-10 08:20:23,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:20:23,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:20:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:23,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:20:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:23,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:20:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:23,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:20:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:20:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:20:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:20:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:20:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 08:20:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:20:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:20:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 08:20:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:20:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 08:20:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:20:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 08:20:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:20:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 08:20:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:20:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 08:20:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:20:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 08:20:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:20:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 08:20:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 08:20:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 08:20:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 08:20:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 08:20:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 08:20:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 08:20:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 08:20:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 08:20:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 08:20:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 08:20:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 08:20:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 08:20:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:20:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 08:20:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 08:20:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 08:20:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-10 08:20:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 08:20:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-10 08:20:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 08:20:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-10 08:20:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-10 08:20:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-10 08:20:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 08:20:24,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 08:20:24,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 08:20:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-10 08:20:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 08:20:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 08:20:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:24,446 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-11-10 08:20:24,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:20:24,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534057139] [2024-11-10 08:20:24,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534057139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:20:24,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:20:24,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 08:20:24,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934074708] [2024-11-10 08:20:24,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:20:24,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 08:20:24,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:20:24,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 08:20:24,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 08:20:24,497 INFO L87 Difference]: Start difference. First operand has 176 states, 121 states have (on average 1.462809917355372) internal successors, (177), 122 states have internal predecessors, (177), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 43.5) internal successors, (87), 2 states have internal predecessors, (87), 2 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 2 states have call successors, (52) [2024-11-10 08:20:24,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:20:24,572 INFO L93 Difference]: Finished difference Result 344 states and 607 transitions. [2024-11-10 08:20:24,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 08:20:24,575 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 43.5) internal successors, (87), 2 states have internal predecessors, (87), 2 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 2 states have call successors, (52) Word has length 344 [2024-11-10 08:20:24,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:20:24,584 INFO L225 Difference]: With dead ends: 344 [2024-11-10 08:20:24,585 INFO L226 Difference]: Without dead ends: 171 [2024-11-10 08:20:24,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 158 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 08:20:24,595 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 08:20:24,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 268 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 08:20:24,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-10 08:20:24,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2024-11-10 08:20:24,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 117 states have (on average 1.435897435897436) internal successors, (168), 117 states have internal predecessors, (168), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-10 08:20:24,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 272 transitions. [2024-11-10 08:20:24,661 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 272 transitions. Word has length 344 [2024-11-10 08:20:24,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:20:24,662 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 272 transitions. [2024-11-10 08:20:24,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.5) internal successors, (87), 2 states have internal predecessors, (87), 2 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 2 states have call successors, (52) [2024-11-10 08:20:24,663 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 272 transitions. [2024-11-10 08:20:24,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2024-11-10 08:20:24,670 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:20:24,670 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:20:24,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 08:20:24,671 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:20:24,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:20:24,672 INFO L85 PathProgramCache]: Analyzing trace with hash 802547737, now seen corresponding path program 1 times [2024-11-10 08:20:24,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:20:24,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817104914] [2024-11-10 08:20:24,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:20:24,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:20:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:20:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:20:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:20:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:20:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:20:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:20:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:20:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 08:20:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:20:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:20:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 08:20:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:20:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 08:20:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:20:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 08:20:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:20:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 08:20:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:20:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 08:20:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:20:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 08:20:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:20:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 08:20:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 08:20:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 08:20:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 08:20:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 08:20:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 08:20:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 08:20:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 08:20:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 08:20:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 08:20:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 08:20:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 08:20:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 08:20:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:20:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 08:20:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 08:20:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 08:20:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-10 08:20:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 08:20:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-10 08:20:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 08:20:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-10 08:20:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-10 08:20:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-10 08:20:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 08:20:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 08:20:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 08:20:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-10 08:20:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 08:20:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 08:20:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:25,637 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-11-10 08:20:25,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:20:25,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817104914] [2024-11-10 08:20:25,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817104914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:20:25,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:20:25,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 08:20:25,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713772068] [2024-11-10 08:20:25,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:20:25,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 08:20:25,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:20:25,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 08:20:25,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:20:25,646 INFO L87 Difference]: Start difference. First operand 171 states and 272 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-11-10 08:20:25,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:20:25,758 INFO L93 Difference]: Finished difference Result 507 states and 810 transitions. [2024-11-10 08:20:25,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 08:20:25,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) Word has length 344 [2024-11-10 08:20:25,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:20:25,767 INFO L225 Difference]: With dead ends: 507 [2024-11-10 08:20:25,770 INFO L226 Difference]: Without dead ends: 339 [2024-11-10 08:20:25,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:20:25,772 INFO L432 NwaCegarLoop]: 413 mSDtfsCounter, 260 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 08:20:25,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 672 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 08:20:25,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-10 08:20:25,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 336. [2024-11-10 08:20:25,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 229 states have (on average 1.4366812227074235) internal successors, (329), 229 states have internal predecessors, (329), 104 states have call successors, (104), 2 states have call predecessors, (104), 2 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-10 08:20:25,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 537 transitions. [2024-11-10 08:20:25,828 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 537 transitions. Word has length 344 [2024-11-10 08:20:25,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:20:25,831 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 537 transitions. [2024-11-10 08:20:25,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-11-10 08:20:25,831 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 537 transitions. [2024-11-10 08:20:25,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2024-11-10 08:20:25,834 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:20:25,837 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:20:25,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 08:20:25,837 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:20:25,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:20:25,838 INFO L85 PathProgramCache]: Analyzing trace with hash -120135846, now seen corresponding path program 1 times [2024-11-10 08:20:25,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:20:25,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228565494] [2024-11-10 08:20:25,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:20:25,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:20:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:20:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:20:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:20:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:20:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:20:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:20:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:20:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 08:20:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:20:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:20:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 08:20:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:20:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 08:20:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:20:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 08:20:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:20:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 08:20:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:20:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 08:20:27,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:20:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 08:20:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:20:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 08:20:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 08:20:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 08:20:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 08:20:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 08:20:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 08:20:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 08:20:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 08:20:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 08:20:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 08:20:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 08:20:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 08:20:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 08:20:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:20:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 08:20:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 08:20:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 08:20:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-10 08:20:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 08:20:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-10 08:20:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 08:20:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-10 08:20:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-10 08:20:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-10 08:20:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 08:20:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 08:20:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 08:20:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-10 08:20:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 08:20:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 08:20:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:27,989 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-11-10 08:20:27,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:20:27,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228565494] [2024-11-10 08:20:27,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228565494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:20:27,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:20:27,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 08:20:27,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510632189] [2024-11-10 08:20:27,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:20:27,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 08:20:27,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:20:27,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 08:20:27,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-10 08:20:27,993 INFO L87 Difference]: Start difference. First operand 336 states and 537 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 2 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-11-10 08:20:29,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:20:29,192 INFO L93 Difference]: Finished difference Result 1537 states and 2433 transitions. [2024-11-10 08:20:29,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 08:20:29,193 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 2 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 344 [2024-11-10 08:20:29,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:20:29,204 INFO L225 Difference]: With dead ends: 1537 [2024-11-10 08:20:29,205 INFO L226 Difference]: Without dead ends: 1204 [2024-11-10 08:20:29,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2024-11-10 08:20:29,208 INFO L432 NwaCegarLoop]: 339 mSDtfsCounter, 811 mSDsluCounter, 1515 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 811 SdHoareTripleChecker+Valid, 1854 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 08:20:29,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [811 Valid, 1854 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 08:20:29,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2024-11-10 08:20:29,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1044. [2024-11-10 08:20:29,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 811 states have (on average 1.5154130702836004) internal successors, (1229), 815 states have internal predecessors, (1229), 224 states have call successors, (224), 8 states have call predecessors, (224), 8 states have return successors, (224), 220 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-10 08:20:29,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1677 transitions. [2024-11-10 08:20:29,358 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1677 transitions. Word has length 344 [2024-11-10 08:20:29,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:20:29,359 INFO L471 AbstractCegarLoop]: Abstraction has 1044 states and 1677 transitions. [2024-11-10 08:20:29,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 2 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-11-10 08:20:29,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1677 transitions. [2024-11-10 08:20:29,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2024-11-10 08:20:29,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:20:29,363 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:20:29,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 08:20:29,364 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:20:29,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:20:29,365 INFO L85 PathProgramCache]: Analyzing trace with hash -316649351, now seen corresponding path program 1 times [2024-11-10 08:20:29,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:20:29,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7052189] [2024-11-10 08:20:29,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:20:29,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:20:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:20:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:20:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:20:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:20:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:20:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:20:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:20:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 08:20:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:20:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:20:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 08:20:30,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:20:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 08:20:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:20:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 08:20:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:20:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 08:20:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:20:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 08:20:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:20:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 08:20:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:20:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 08:20:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 08:20:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 08:20:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 08:20:30,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 08:20:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 08:20:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 08:20:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 08:20:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 08:20:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 08:20:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 08:20:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 08:20:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 08:20:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:20:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 08:20:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 08:20:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 08:20:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-10 08:20:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 08:20:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-10 08:20:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 08:20:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-10 08:20:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-10 08:20:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-10 08:20:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 08:20:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 08:20:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 08:20:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-10 08:20:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 08:20:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 08:20:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,658 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 30 proven. 123 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-11-10 08:20:30,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:20:30,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7052189] [2024-11-10 08:20:30,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7052189] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 08:20:30,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825903505] [2024-11-10 08:20:30,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:20:30,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:20:30,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:20:30,662 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 08:20:30,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 08:20:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:30,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 08:20:30,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 08:20:31,378 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 2521 proven. 96 refuted. 0 times theorem prover too weak. 2687 trivial. 0 not checked. [2024-11-10 08:20:31,378 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 08:20:31,806 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 57 proven. 96 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-11-10 08:20:31,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825903505] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 08:20:31,807 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 08:20:31,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-10 08:20:31,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3752637] [2024-11-10 08:20:31,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 08:20:31,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 08:20:31,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:20:31,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 08:20:31,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-10 08:20:31,813 INFO L87 Difference]: Start difference. First operand 1044 states and 1677 transitions. Second operand has 8 states, 8 states have (on average 20.0) internal successors, (160), 8 states have internal predecessors, (160), 3 states have call successors, (125), 2 states have call predecessors, (125), 4 states have return successors, (127), 3 states have call predecessors, (127), 3 states have call successors, (127) [2024-11-10 08:20:32,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:20:32,340 INFO L93 Difference]: Finished difference Result 2133 states and 3391 transitions. [2024-11-10 08:20:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 08:20:32,341 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.0) internal successors, (160), 8 states have internal predecessors, (160), 3 states have call successors, (125), 2 states have call predecessors, (125), 4 states have return successors, (127), 3 states have call predecessors, (127), 3 states have call successors, (127) Word has length 344 [2024-11-10 08:20:32,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:20:32,349 INFO L225 Difference]: With dead ends: 2133 [2024-11-10 08:20:32,349 INFO L226 Difference]: Without dead ends: 1092 [2024-11-10 08:20:32,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 805 GetRequests, 789 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2024-11-10 08:20:32,353 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 235 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 08:20:32,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 490 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 08:20:32,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2024-11-10 08:20:32,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1076. [2024-11-10 08:20:32,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1076 states, 835 states have (on average 1.4646706586826348) internal successors, (1223), 839 states have internal predecessors, (1223), 224 states have call successors, (224), 16 states have call predecessors, (224), 16 states have return successors, (224), 220 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-10 08:20:32,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1671 transitions. [2024-11-10 08:20:32,448 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 1671 transitions. Word has length 344 [2024-11-10 08:20:32,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:20:32,450 INFO L471 AbstractCegarLoop]: Abstraction has 1076 states and 1671 transitions. [2024-11-10 08:20:32,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.0) internal successors, (160), 8 states have internal predecessors, (160), 3 states have call successors, (125), 2 states have call predecessors, (125), 4 states have return successors, (127), 3 states have call predecessors, (127), 3 states have call successors, (127) [2024-11-10 08:20:32,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1671 transitions. [2024-11-10 08:20:32,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2024-11-10 08:20:32,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:20:32,457 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:20:32,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 08:20:32,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:20:32,660 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:20:32,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:20:32,661 INFO L85 PathProgramCache]: Analyzing trace with hash -318043161, now seen corresponding path program 1 times [2024-11-10 08:20:32,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:20:32,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58209229] [2024-11-10 08:20:32,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:20:32,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:20:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:20:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:20:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:20:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:20:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:20:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:20:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:20:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 08:20:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:20:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:20:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 08:20:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:20:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 08:20:33,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:20:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 08:20:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:20:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 08:20:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:20:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 08:20:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:20:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 08:20:33,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:20:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 08:20:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 08:20:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 08:20:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 08:20:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 08:20:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 08:20:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 08:20:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 08:20:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 08:20:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 08:20:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 08:20:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 08:20:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 08:20:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:20:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 08:20:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 08:20:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 08:20:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-10 08:20:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 08:20:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-10 08:20:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 08:20:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-10 08:20:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-10 08:20:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-10 08:20:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 08:20:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 08:20:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 08:20:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-10 08:20:33,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 08:20:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 08:20:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:33,924 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 30 proven. 123 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-11-10 08:20:33,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:20:33,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58209229] [2024-11-10 08:20:33,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58209229] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 08:20:33,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625664531] [2024-11-10 08:20:33,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:20:33,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:20:33,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:20:33,930 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 08:20:33,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 08:20:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:34,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 08:20:34,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 08:20:34,770 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 1513 proven. 24 refuted. 0 times theorem prover too weak. 3767 trivial. 0 not checked. [2024-11-10 08:20:34,770 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 08:20:35,160 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 129 proven. 24 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-11-10 08:20:35,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625664531] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 08:20:35,162 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 08:20:35,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 16 [2024-11-10 08:20:35,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604018923] [2024-11-10 08:20:35,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 08:20:35,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 08:20:35,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:20:35,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 08:20:35,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-10 08:20:35,166 INFO L87 Difference]: Start difference. First operand 1076 states and 1671 transitions. Second operand has 16 states, 16 states have (on average 13.1875) internal successors, (211), 16 states have internal predecessors, (211), 6 states have call successors, (156), 3 states have call predecessors, (156), 6 states have return successors, (156), 6 states have call predecessors, (156), 6 states have call successors, (156) [2024-11-10 08:20:37,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:20:37,947 INFO L93 Difference]: Finished difference Result 6128 states and 9507 transitions. [2024-11-10 08:20:37,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-10 08:20:37,947 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 13.1875) internal successors, (211), 16 states have internal predecessors, (211), 6 states have call successors, (156), 3 states have call predecessors, (156), 6 states have return successors, (156), 6 states have call predecessors, (156), 6 states have call successors, (156) Word has length 345 [2024-11-10 08:20:37,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:20:37,977 INFO L225 Difference]: With dead ends: 6128 [2024-11-10 08:20:37,977 INFO L226 Difference]: Without dead ends: 5055 [2024-11-10 08:20:37,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 840 GetRequests, 790 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=544, Invalid=2108, Unknown=0, NotChecked=0, Total=2652 [2024-11-10 08:20:37,985 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1898 mSDsluCounter, 1655 mSDsCounter, 0 mSdLazyCounter, 1572 mSolverCounterSat, 935 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1910 SdHoareTripleChecker+Valid, 1848 SdHoareTripleChecker+Invalid, 2507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 935 IncrementalHoareTripleChecker+Valid, 1572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-10 08:20:37,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1910 Valid, 1848 Invalid, 2507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [935 Valid, 1572 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-10 08:20:37,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5055 states. [2024-11-10 08:20:38,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5055 to 4122. [2024-11-10 08:20:38,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4122 states, 3193 states have (on average 1.4534920137801441) internal successors, (4641), 3213 states have internal predecessors, (4641), 860 states have call successors, (860), 68 states have call predecessors, (860), 68 states have return successors, (860), 840 states have call predecessors, (860), 860 states have call successors, (860) [2024-11-10 08:20:38,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4122 states to 4122 states and 6361 transitions. [2024-11-10 08:20:38,406 INFO L78 Accepts]: Start accepts. Automaton has 4122 states and 6361 transitions. Word has length 345 [2024-11-10 08:20:38,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:20:38,407 INFO L471 AbstractCegarLoop]: Abstraction has 4122 states and 6361 transitions. [2024-11-10 08:20:38,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 13.1875) internal successors, (211), 16 states have internal predecessors, (211), 6 states have call successors, (156), 3 states have call predecessors, (156), 6 states have return successors, (156), 6 states have call predecessors, (156), 6 states have call successors, (156) [2024-11-10 08:20:38,408 INFO L276 IsEmpty]: Start isEmpty. Operand 4122 states and 6361 transitions. [2024-11-10 08:20:38,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2024-11-10 08:20:38,411 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:20:38,412 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:20:38,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 08:20:38,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:20:38,616 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:20:38,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:20:38,617 INFO L85 PathProgramCache]: Analyzing trace with hash -385961317, now seen corresponding path program 1 times [2024-11-10 08:20:38,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:20:38,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513059881] [2024-11-10 08:20:38,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:20:38,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:20:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:20:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:20:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:20:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:20:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:20:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:20:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:20:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 08:20:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:20:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:20:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 08:20:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:20:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 08:20:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:20:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 08:20:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:20:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 08:20:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:20:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 08:20:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:20:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 08:20:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:20:39,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 08:20:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 08:20:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 08:20:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 08:20:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 08:20:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 08:20:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 08:20:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 08:20:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 08:20:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 08:20:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 08:20:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 08:20:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 08:20:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:20:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 08:20:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 08:20:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 08:20:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-10 08:20:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 08:20:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-10 08:20:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 08:20:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-10 08:20:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-10 08:20:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-10 08:20:39,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 08:20:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 08:20:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 08:20:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-10 08:20:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 08:20:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 08:20:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:39,779 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 72 proven. 81 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-11-10 08:20:39,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:20:39,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513059881] [2024-11-10 08:20:39,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513059881] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 08:20:39,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199929111] [2024-11-10 08:20:39,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:20:39,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:20:39,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:20:39,783 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 08:20:39,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 08:20:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:20:40,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-10 08:20:40,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 08:20:41,395 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 3189 proven. 303 refuted. 0 times theorem prover too weak. 1812 trivial. 0 not checked. [2024-11-10 08:20:41,396 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 08:20:42,024 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 165 proven. 138 refuted. 0 times theorem prover too weak. 5001 trivial. 0 not checked. [2024-11-10 08:20:42,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199929111] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 08:20:42,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 08:20:42,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 13, 10] total 24 [2024-11-10 08:20:42,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328647700] [2024-11-10 08:20:42,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 08:20:42,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-10 08:20:42,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:20:42,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-10 08:20:42,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=415, Unknown=0, NotChecked=0, Total=552 [2024-11-10 08:20:42,030 INFO L87 Difference]: Start difference. First operand 4122 states and 6361 transitions. Second operand has 24 states, 24 states have (on average 8.416666666666666) internal successors, (202), 24 states have internal predecessors, (202), 7 states have call successors, (106), 4 states have call predecessors, (106), 8 states have return successors, (108), 7 states have call predecessors, (108), 7 states have call successors, (108) [2024-11-10 08:20:45,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:20:45,172 INFO L93 Difference]: Finished difference Result 10182 states and 15137 transitions. [2024-11-10 08:20:45,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-11-10 08:20:45,173 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 8.416666666666666) internal successors, (202), 24 states have internal predecessors, (202), 7 states have call successors, (106), 4 states have call predecessors, (106), 8 states have return successors, (108), 7 states have call predecessors, (108), 7 states have call successors, (108) Word has length 346 [2024-11-10 08:20:45,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:20:45,221 INFO L225 Difference]: With dead ends: 10182 [2024-11-10 08:20:45,221 INFO L226 Difference]: Without dead ends: 8211 [2024-11-10 08:20:45,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 853 GetRequests, 787 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1408 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1116, Invalid=3440, Unknown=0, NotChecked=0, Total=4556 [2024-11-10 08:20:45,231 INFO L432 NwaCegarLoop]: 329 mSDtfsCounter, 1949 mSDsluCounter, 1545 mSDsCounter, 0 mSdLazyCounter, 1738 mSolverCounterSat, 753 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1974 SdHoareTripleChecker+Valid, 1874 SdHoareTripleChecker+Invalid, 2491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 753 IncrementalHoareTripleChecker+Valid, 1738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-10 08:20:45,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1974 Valid, 1874 Invalid, 2491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [753 Valid, 1738 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-10 08:20:45,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8211 states. [2024-11-10 08:20:45,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8211 to 7970. [2024-11-10 08:20:45,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7970 states, 5809 states have (on average 1.3814770184196936) internal successors, (8025), 5841 states have internal predecessors, (8025), 1904 states have call successors, (1904), 256 states have call predecessors, (1904), 256 states have return successors, (1904), 1872 states have call predecessors, (1904), 1904 states have call successors, (1904) [2024-11-10 08:20:45,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7970 states to 7970 states and 11833 transitions. [2024-11-10 08:20:45,974 INFO L78 Accepts]: Start accepts. Automaton has 7970 states and 11833 transitions. Word has length 346 [2024-11-10 08:20:45,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:20:45,976 INFO L471 AbstractCegarLoop]: Abstraction has 7970 states and 11833 transitions. [2024-11-10 08:20:45,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.416666666666666) internal successors, (202), 24 states have internal predecessors, (202), 7 states have call successors, (106), 4 states have call predecessors, (106), 8 states have return successors, (108), 7 states have call predecessors, (108), 7 states have call successors, (108) [2024-11-10 08:20:45,977 INFO L276 IsEmpty]: Start isEmpty. Operand 7970 states and 11833 transitions. [2024-11-10 08:20:45,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2024-11-10 08:20:45,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:20:45,983 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:20:46,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 08:20:46,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:20:46,185 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:20:46,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:20:46,185 INFO L85 PathProgramCache]: Analyzing trace with hash -992258854, now seen corresponding path program 1 times [2024-11-10 08:20:46,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:20:46,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889844079] [2024-11-10 08:20:46,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:20:46,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:20:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:21:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:21:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:21:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:21:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:21:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:21:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:21:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 08:21:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:21:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:21:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 08:21:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:21:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 08:21:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:21:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 08:21:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:21:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 08:21:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:21:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 08:21:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:21:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 08:21:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:21:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 08:21:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 08:21:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 08:21:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 08:21:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 08:21:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 08:21:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 08:21:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 08:21:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 08:21:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 08:21:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 08:21:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 08:21:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 08:21:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:21:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 08:21:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 08:21:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 08:21:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-10 08:21:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 08:21:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-10 08:21:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 08:21:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-10 08:21:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-10 08:21:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-10 08:21:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 08:21:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 08:21:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 08:21:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-10 08:21:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 08:21:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 08:21:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:06,761 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 687 proven. 18 refuted. 0 times theorem prover too weak. 4599 trivial. 0 not checked. [2024-11-10 08:21:06,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:21:06,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889844079] [2024-11-10 08:21:06,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889844079] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 08:21:06,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196248041] [2024-11-10 08:21:06,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:21:06,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:21:06,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:21:06,764 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 08:21:06,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 08:21:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:07,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-10 08:21:07,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 08:21:10,742 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 1323 proven. 105 refuted. 0 times theorem prover too weak. 3876 trivial. 0 not checked. [2024-11-10 08:21:10,743 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 08:21:12,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [196248041] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 08:21:12,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 08:21:12,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 22] total 45 [2024-11-10 08:21:12,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302735140] [2024-11-10 08:21:12,196 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 08:21:12,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-11-10 08:21:12,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:21:12,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-11-10 08:21:12,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=2395, Unknown=0, NotChecked=0, Total=2652 [2024-11-10 08:21:12,199 INFO L87 Difference]: Start difference. First operand 7970 states and 11833 transitions. Second operand has 45 states, 43 states have (on average 4.4186046511627906) internal successors, (190), 40 states have internal predecessors, (190), 13 states have call successors, (104), 8 states have call predecessors, (104), 10 states have return successors, (104), 13 states have call predecessors, (104), 13 states have call successors, (104) [2024-11-10 08:21:21,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:21:21,653 INFO L93 Difference]: Finished difference Result 17164 states and 25197 transitions. [2024-11-10 08:21:21,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-10 08:21:21,654 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 43 states have (on average 4.4186046511627906) internal successors, (190), 40 states have internal predecessors, (190), 13 states have call successors, (104), 8 states have call predecessors, (104), 10 states have return successors, (104), 13 states have call predecessors, (104), 13 states have call successors, (104) Word has length 346 [2024-11-10 08:21:21,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:21:21,723 INFO L225 Difference]: With dead ends: 17164 [2024-11-10 08:21:21,723 INFO L226 Difference]: Without dead ends: 9197 [2024-11-10 08:21:21,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 606 GetRequests, 501 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2774 ImplicationChecksByTransitivity, 14.5s TimeCoverageRelationStatistics Valid=1818, Invalid=9524, Unknown=0, NotChecked=0, Total=11342 [2024-11-10 08:21:21,756 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 3502 mSDsluCounter, 4638 mSDsCounter, 0 mSdLazyCounter, 5237 mSolverCounterSat, 1444 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3503 SdHoareTripleChecker+Valid, 4874 SdHoareTripleChecker+Invalid, 6681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1444 IncrementalHoareTripleChecker+Valid, 5237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-10 08:21:21,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3503 Valid, 4874 Invalid, 6681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1444 Valid, 5237 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2024-11-10 08:21:21,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9197 states. [2024-11-10 08:21:22,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9197 to 8776. [2024-11-10 08:21:22,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8776 states, 6427 states have (on average 1.3715574918313365) internal successors, (8815), 6461 states have internal predecessors, (8815), 2016 states have call successors, (2016), 332 states have call predecessors, (2016), 332 states have return successors, (2016), 1982 states have call predecessors, (2016), 2016 states have call successors, (2016) [2024-11-10 08:21:22,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8776 states to 8776 states and 12847 transitions. [2024-11-10 08:21:22,649 INFO L78 Accepts]: Start accepts. Automaton has 8776 states and 12847 transitions. Word has length 346 [2024-11-10 08:21:22,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:21:22,650 INFO L471 AbstractCegarLoop]: Abstraction has 8776 states and 12847 transitions. [2024-11-10 08:21:22,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 43 states have (on average 4.4186046511627906) internal successors, (190), 40 states have internal predecessors, (190), 13 states have call successors, (104), 8 states have call predecessors, (104), 10 states have return successors, (104), 13 states have call predecessors, (104), 13 states have call successors, (104) [2024-11-10 08:21:22,651 INFO L276 IsEmpty]: Start isEmpty. Operand 8776 states and 12847 transitions. [2024-11-10 08:21:22,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2024-11-10 08:21:22,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:21:22,661 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:21:22,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 08:21:22,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:21:22,863 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:21:22,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:21:22,863 INFO L85 PathProgramCache]: Analyzing trace with hash -662493093, now seen corresponding path program 1 times [2024-11-10 08:21:22,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:21:22,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479135557] [2024-11-10 08:21:22,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:21:22,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:21:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 08:21:23,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1068052320] [2024-11-10 08:21:23,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:21:23,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:21:23,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:21:23,470 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 08:21:23,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 08:21:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:23,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-10 08:21:23,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 08:21:26,093 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 2094 proven. 147 refuted. 0 times theorem prover too weak. 3063 trivial. 0 not checked. [2024-11-10 08:21:26,093 INFO L311 TraceCheckSpWp]: Computing backward predicates...