./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-64.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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_fillercode_fillercodestructure_filler-pe-ci_file-64.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 feaa0156af8515c11e53760c56b6153bee93f0fe9288c23521b275fb865500c1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 13:52:49,197 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 13:52:49,255 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 13:52:49,260 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 13:52:49,262 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 13:52:49,289 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 13:52:49,290 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 13:52:49,291 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 13:52:49,291 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 13:52:49,291 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 13:52:49,292 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 13:52:49,292 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 13:52:49,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 13:52:49,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 13:52:49,294 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 13:52:49,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 13:52:49,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 13:52:49,295 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 13:52:49,295 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 13:52:49,298 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 13:52:49,299 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 13:52:49,299 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 13:52:49,299 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 13:52:49,299 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 13:52:49,299 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 13:52:49,300 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 13:52:49,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 13:52:49,300 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 13:52:49,300 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 13:52:49,300 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 13:52:49,301 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 13:52:49,301 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 13:52:49,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 13:52:49,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 13:52:49,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 13:52:49,302 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 13:52:49,302 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 13:52:49,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 13:52:49,302 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 13:52:49,302 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 13:52:49,302 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 13:52:49,303 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 13:52:49,303 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> feaa0156af8515c11e53760c56b6153bee93f0fe9288c23521b275fb865500c1 [2024-11-16 13:52:49,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 13:52:49,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 13:52:49,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 13:52:49,515 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 13:52:49,516 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 13:52:49,517 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-64.i [2024-11-16 13:52:50,802 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 13:52:50,966 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 13:52:50,966 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-64.i [2024-11-16 13:52:50,976 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/187623bcb/612a81c4b0194177967abe5897749709/FLAG0b72b68f0 [2024-11-16 13:52:51,361 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/187623bcb/612a81c4b0194177967abe5897749709 [2024-11-16 13:52:51,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 13:52:51,366 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 13:52:51,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 13:52:51,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 13:52:51,373 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 13:52:51,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 01:52:51" (1/1) ... [2024-11-16 13:52:51,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27167477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:51, skipping insertion in model container [2024-11-16 13:52:51,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 01:52:51" (1/1) ... [2024-11-16 13:52:51,396 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 13:52:51,523 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_fillercode_fillercodestructure_filler-pe-ci_file-64.i[919,932] [2024-11-16 13:52:51,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 13:52:51,591 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 13:52:51,600 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_fillercode_fillercodestructure_filler-pe-ci_file-64.i[919,932] [2024-11-16 13:52:51,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 13:52:51,636 INFO L204 MainTranslator]: Completed translation [2024-11-16 13:52:51,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:51 WrapperNode [2024-11-16 13:52:51,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 13:52:51,638 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 13:52:51,638 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 13:52:51,663 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 13:52:51,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:51" (1/1) ... [2024-11-16 13:52:51,687 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:51" (1/1) ... [2024-11-16 13:52:51,731 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 214 [2024-11-16 13:52:51,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 13:52:51,732 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 13:52:51,732 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 13:52:51,732 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 13:52:51,757 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:51" (1/1) ... [2024-11-16 13:52:51,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:51" (1/1) ... [2024-11-16 13:52:51,760 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:51" (1/1) ... [2024-11-16 13:52:51,781 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]. [2024-11-16 13:52:51,781 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:51" (1/1) ... [2024-11-16 13:52:51,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:51" (1/1) ... [2024-11-16 13:52:51,790 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:51" (1/1) ... [2024-11-16 13:52:51,791 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:51" (1/1) ... [2024-11-16 13:52:51,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:51" (1/1) ... [2024-11-16 13:52:51,793 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:51" (1/1) ... [2024-11-16 13:52:51,795 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 13:52:51,795 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 13:52:51,795 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 13:52:51,796 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 13:52:51,796 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:51" (1/1) ... [2024-11-16 13:52:51,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 13:52:51,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 13:52:51,823 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) [2024-11-16 13:52:51,829 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 [2024-11-16 13:52:51,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 13:52:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 13:52:51,864 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 13:52:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 13:52:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 13:52:51,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 13:52:51,943 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 13:52:51,944 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 13:52:52,174 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L177: havoc property_#t~bitwise20#1;havoc property_#t~short21#1; [2024-11-16 13:52:52,199 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-16 13:52:52,199 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 13:52:52,212 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 13:52:52,213 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 13:52:52,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 01:52:52 BoogieIcfgContainer [2024-11-16 13:52:52,213 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 13:52:52,215 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 13:52:52,215 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 13:52:52,217 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 13:52:52,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 01:52:51" (1/3) ... [2024-11-16 13:52:52,218 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b324382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 01:52:52, skipping insertion in model container [2024-11-16 13:52:52,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:52:51" (2/3) ... [2024-11-16 13:52:52,218 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b324382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 01:52:52, skipping insertion in model container [2024-11-16 13:52:52,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 01:52:52" (3/3) ... [2024-11-16 13:52:52,219 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-64.i [2024-11-16 13:52:52,231 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 13:52:52,232 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 13:52:52,275 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 13:52:52,280 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;@3aa87720, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 13:52:52,280 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 13:52:52,283 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 62 states have (on average 1.403225806451613) internal successors, (87), 63 states have internal predecessors, (87), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-16 13:52:52,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-16 13:52:52,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:52:52,295 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:52:52,295 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:52:52,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:52:52,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1755988071, now seen corresponding path program 1 times [2024-11-16 13:52:52,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:52:52,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831780895] [2024-11-16 13:52:52,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:52:52,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:52:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:52:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 13:52:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 13:52:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 13:52:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 13:52:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 13:52:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 13:52:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 13:52:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 13:52:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 13:52:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 13:52:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 13:52:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 13:52:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 13:52:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:52:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 13:52:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:52:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:52:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:52:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 13:52:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:52:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 13:52:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:52:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:52:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:52:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:52:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 13:52:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 13:52:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:52,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-16 13:52:52,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:52:52,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831780895] [2024-11-16 13:52:52,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831780895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:52:52,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:52:52,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 13:52:52,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414513010] [2024-11-16 13:52:52,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:52:52,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 13:52:52,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:52:52,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 13:52:52,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 13:52:52,774 INFO L87 Difference]: Start difference. First operand has 93 states, 62 states have (on average 1.403225806451613) internal successors, (87), 63 states have internal predecessors, (87), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-16 13:52:52,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:52:52,816 INFO L93 Difference]: Finished difference Result 178 states and 307 transitions. [2024-11-16 13:52:52,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 13:52:52,818 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) Word has length 185 [2024-11-16 13:52:52,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:52:52,849 INFO L225 Difference]: With dead ends: 178 [2024-11-16 13:52:52,849 INFO L226 Difference]: Without dead ends: 88 [2024-11-16 13:52:52,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 13:52:52,862 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 13:52:52,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 13:52:52,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-16 13:52:52,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-16 13:52:52,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 58 states have (on average 1.3620689655172413) internal successors, (79), 58 states have internal predecessors, (79), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-16 13:52:52,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 135 transitions. [2024-11-16 13:52:52,940 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 135 transitions. Word has length 185 [2024-11-16 13:52:52,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:52:52,942 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 135 transitions. [2024-11-16 13:52:52,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-16 13:52:52,943 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 135 transitions. [2024-11-16 13:52:52,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-16 13:52:52,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:52:52,947 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:52:52,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 13:52:52,948 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:52:52,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:52:52,949 INFO L85 PathProgramCache]: Analyzing trace with hash 952035141, now seen corresponding path program 1 times [2024-11-16 13:52:52,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:52:52,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116402471] [2024-11-16 13:52:52,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:52:52,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:52:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:52:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 13:52:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 13:52:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 13:52:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 13:52:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 13:52:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 13:52:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 13:52:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 13:52:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 13:52:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 13:52:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 13:52:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 13:52:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 13:52:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:52:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 13:52:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:52:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:52:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:52:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 13:52:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:52:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 13:52:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:52:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:52:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:52:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:52:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 13:52:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 13:52:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:52:53,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-16 13:52:53,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:52:53,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116402471] [2024-11-16 13:52:53,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116402471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:52:53,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:52:53,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 13:52:53,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906894456] [2024-11-16 13:52:53,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:52:53,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 13:52:53,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:52:53,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 13:52:53,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 13:52:53,635 INFO L87 Difference]: Start difference. First operand 88 states and 135 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-16 13:52:53,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:52:53,895 INFO L93 Difference]: Finished difference Result 280 states and 428 transitions. [2024-11-16 13:52:53,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 13:52:53,896 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 185 [2024-11-16 13:52:53,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:52:53,900 INFO L225 Difference]: With dead ends: 280 [2024-11-16 13:52:53,901 INFO L226 Difference]: Without dead ends: 195 [2024-11-16 13:52:53,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-16 13:52:53,904 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 149 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 864 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 13:52:53,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 864 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 13:52:53,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-16 13:52:53,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 103. [2024-11-16 13:52:53,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 73 states have internal predecessors, (104), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-16 13:52:53,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 160 transitions. [2024-11-16 13:52:53,919 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 160 transitions. Word has length 185 [2024-11-16 13:52:53,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:52:53,920 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 160 transitions. [2024-11-16 13:52:53,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-16 13:52:53,920 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 160 transitions. [2024-11-16 13:52:53,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-16 13:52:53,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:52:53,922 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:52:53,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 13:52:53,922 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:52:53,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:52:53,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1989622458, now seen corresponding path program 1 times [2024-11-16 13:52:53,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:52:53,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769785919] [2024-11-16 13:52:53,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:52:53,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:52:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat