./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-66.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-66.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 c0271c86359ca1321e131492680f0610c424530e37b1dccfbb85027d39387777 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 08:26:11,816 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 08:26:11,877 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 08:26:11,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 08:26:11,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 08:26:11,902 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 08:26:11,903 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 08:26:11,903 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 08:26:11,904 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 08:26:11,905 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 08:26:11,906 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 08:26:11,906 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 08:26:11,906 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 08:26:11,908 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 08:26:11,908 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 08:26:11,908 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 08:26:11,909 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 08:26:11,909 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 08:26:11,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 08:26:11,909 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 08:26:11,912 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 08:26:11,912 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 08:26:11,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 08:26:11,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 08:26:11,913 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 08:26:11,913 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 08:26:11,913 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 08:26:11,914 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 08:26:11,914 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 08:26:11,914 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 08:26:11,914 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 08:26:11,914 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 08:26:11,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:26:11,915 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 08:26:11,915 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 08:26:11,915 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 08:26:11,915 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 08:26:11,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 08:26:11,916 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 08:26:11,916 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 08:26:11,916 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 08:26:11,917 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 08:26:11,917 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0271c86359ca1321e131492680f0610c424530e37b1dccfbb85027d39387777 [2024-11-10 08:26:12,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 08:26:12,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 08:26:12,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 08:26:12,176 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 08:26:12,177 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 08:26:12,178 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-66.i [2024-11-10 08:26:13,461 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 08:26:13,686 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 08:26:13,686 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-66.i [2024-11-10 08:26:13,701 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33819006f/d030b9e6297a4535872fa5a3ce703fd8/FLAG304f6daad [2024-11-10 08:26:13,717 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33819006f/d030b9e6297a4535872fa5a3ce703fd8 [2024-11-10 08:26:13,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 08:26:13,722 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 08:26:13,724 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 08:26:13,725 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 08:26:13,729 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 08:26:13,730 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:26:13" (1/1) ... [2024-11-10 08:26:13,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11389c69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:26:13, skipping insertion in model container [2024-11-10 08:26:13,731 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:26:13" (1/1) ... [2024-11-10 08:26:13,766 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 08:26:13,927 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-66.i[916,929] [2024-11-10 08:26:14,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:26:14,130 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 08:26:14,149 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-66.i[916,929] [2024-11-10 08:26:14,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:26:14,243 INFO L204 MainTranslator]: Completed translation [2024-11-10 08:26:14,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:26:14 WrapperNode [2024-11-10 08:26:14,244 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 08:26:14,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 08:26:14,245 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 08:26:14,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 08:26:14,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:26:14" (1/1) ... [2024-11-10 08:26:14,266 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:26:14" (1/1) ... [2024-11-10 08:26:14,318 INFO L138 Inliner]: procedures = 26, calls = 56, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 450 [2024-11-10 08:26:14,318 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 08:26:14,319 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 08:26:14,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 08:26:14,319 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 08:26:14,328 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:26:14" (1/1) ... [2024-11-10 08:26:14,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:26:14" (1/1) ... [2024-11-10 08:26:14,339 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:26:14" (1/1) ... [2024-11-10 08:26:14,383 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 08:26:14,383 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:26:14" (1/1) ... [2024-11-10 08:26:14,383 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:26:14" (1/1) ... [2024-11-10 08:26:14,402 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:26:14" (1/1) ... [2024-11-10 08:26:14,406 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:26:14" (1/1) ... [2024-11-10 08:26:14,413 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:26:14" (1/1) ... [2024-11-10 08:26:14,417 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:26:14" (1/1) ... [2024-11-10 08:26:14,426 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 08:26:14,427 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 08:26:14,427 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 08:26:14,427 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 08:26:14,428 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:26:14" (1/1) ... [2024-11-10 08:26:14,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:26:14,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:26:14,456 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 08:26:14,459 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 08:26:14,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 08:26:14,495 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 08:26:14,495 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 08:26:14,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 08:26:14,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 08:26:14,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 08:26:14,603 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 08:26:14,605 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 08:26:15,149 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L348: havoc property_#t~ite38#1;havoc property_#t~ite37#1;havoc property_#t~bitwise34#1;havoc property_#t~ite36#1;havoc property_#t~bitwise35#1;havoc property_#t~short39#1;havoc property_#t~bitwise40#1;havoc property_#t~short41#1;havoc property_#t~ite45#1;havoc property_#t~ite44#1;havoc property_#t~ite43#1;havoc property_#t~bitwise42#1;havoc property_#t~short46#1; [2024-11-10 08:26:15,216 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-11-10 08:26:15,216 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 08:26:15,245 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 08:26:15,246 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 08:26:15,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:26:15 BoogieIcfgContainer [2024-11-10 08:26:15,246 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 08:26:15,249 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 08:26:15,249 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 08:26:15,251 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 08:26:15,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 08:26:13" (1/3) ... [2024-11-10 08:26:15,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@689cbabb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:26:15, skipping insertion in model container [2024-11-10 08:26:15,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:26:14" (2/3) ... [2024-11-10 08:26:15,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@689cbabb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:26:15, skipping insertion in model container [2024-11-10 08:26:15,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:26:15" (3/3) ... [2024-11-10 08:26:15,256 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-66.i [2024-11-10 08:26:15,270 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 08:26:15,270 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 08:26:15,326 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 08:26:15,332 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;@4c7bf190, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 08:26:15,332 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 08:26:15,336 INFO L276 IsEmpty]: Start isEmpty. Operand has 190 states, 144 states have (on average 1.5) internal successors, (216), 145 states have internal predecessors, (216), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-10 08:26:15,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-10 08:26:15,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:26:15,351 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:26:15,351 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:26:15,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:26:15,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1643899047, now seen corresponding path program 1 times [2024-11-10 08:26:15,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:26:15,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994277912] [2024-11-10 08:26:15,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:26:15,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:26:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:26:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:26:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:26:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:26:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:26:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:26:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:26:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:26:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:26:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 08:26:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:26:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 08:26:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:26:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 08:26:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:26:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 08:26:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:26:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 08:26:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:26:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 08:26:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:26:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 08:26:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 08:26:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 08:26:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 08:26:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:26:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 08:26:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:26:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 08:26:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:26:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 08:26:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 08:26:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 08:26:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 08:26:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 08:26:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:26:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:26:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 08:26:15,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-10 08:26:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:15,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-10 08:26:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-10 08:26:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-10 08:26:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:26:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,024 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-10 08:26:16,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:26:16,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994277912] [2024-11-10 08:26:16,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994277912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:26:16,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:26:16,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 08:26:16,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649384530] [2024-11-10 08:26:16,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:26:16,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 08:26:16,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:26:16,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 08:26:16,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 08:26:16,056 INFO L87 Difference]: Start difference. First operand has 190 states, 144 states have (on average 1.5) internal successors, (216), 145 states have internal predecessors, (216), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) Second operand has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-10 08:26:16,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:26:16,115 INFO L93 Difference]: Finished difference Result 372 states and 640 transitions. [2024-11-10 08:26:16,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 08:26:16,119 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) Word has length 297 [2024-11-10 08:26:16,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:26:16,128 INFO L225 Difference]: With dead ends: 372 [2024-11-10 08:26:16,129 INFO L226 Difference]: Without dead ends: 185 [2024-11-10 08:26:16,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 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 08:26:16,138 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 08:26:16,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 284 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 08:26:16,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-10 08:26:16,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2024-11-10 08:26:16,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 140 states have (on average 1.4714285714285715) internal successors, (206), 140 states have internal predecessors, (206), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-10 08:26:16,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 292 transitions. [2024-11-10 08:26:16,210 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 292 transitions. Word has length 297 [2024-11-10 08:26:16,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:26:16,211 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 292 transitions. [2024-11-10 08:26:16,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-10 08:26:16,211 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 292 transitions. [2024-11-10 08:26:16,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-10 08:26:16,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:26:16,216 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:26:16,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 08:26:16,216 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:26:16,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:26:16,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1984264406, now seen corresponding path program 1 times [2024-11-10 08:26:16,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:26:16,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336687917] [2024-11-10 08:26:16,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:26:16,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:26:16,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:26:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:26:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:26:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:26:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:26:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:26:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:26:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:26:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:26:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 08:26:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:26:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 08:26:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:26:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 08:26:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:26:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 08:26:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:26:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 08:26:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:26:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 08:26:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:26:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 08:26:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 08:26:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 08:26:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 08:26:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:26:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 08:26:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:26:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 08:26:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:26:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 08:26:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 08:26:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 08:26:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 08:26:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 08:26:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:26:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:26:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 08:26:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-10 08:26:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-10 08:26:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-10 08:26:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-10 08:26:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:26:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:16,686 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-10 08:26:16,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:26:16,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336687917] [2024-11-10 08:26:16,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336687917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:26:16,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:26:16,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 08:26:16,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654221483] [2024-11-10 08:26:16,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:26:16,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 08:26:16,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:26:16,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 08:26:16,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:26:16,690 INFO L87 Difference]: Start difference. First operand 185 states and 292 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-10 08:26:16,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:26:16,854 INFO L93 Difference]: Finished difference Result 535 states and 848 transitions. [2024-11-10 08:26:16,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 08:26:16,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 297 [2024-11-10 08:26:16,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:26:16,858 INFO L225 Difference]: With dead ends: 535 [2024-11-10 08:26:16,859 INFO L226 Difference]: Without dead ends: 353 [2024-11-10 08:26:16,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 88 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 08:26:16,861 INFO L432 NwaCegarLoop]: 397 mSDtfsCounter, 254 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 08:26:16,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 642 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 08:26:16,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-11-10 08:26:16,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 219. [2024-11-10 08:26:16,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 174 states have (on average 1.4885057471264367) internal successors, (259), 174 states have internal predecessors, (259), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-10 08:26:16,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 345 transitions. [2024-11-10 08:26:16,884 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 345 transitions. Word has length 297 [2024-11-10 08:26:16,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:26:16,886 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 345 transitions. [2024-11-10 08:26:16,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-10 08:26:16,887 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 345 transitions. [2024-11-10 08:26:16,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-10 08:26:16,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:26:16,891 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:26:16,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 08:26:16,892 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:26:16,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:26:16,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1022650389, now seen corresponding path program 1 times [2024-11-10 08:26:16,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:26:16,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535508037] [2024-11-10 08:26:16,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:26:16,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:26:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:26:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:26:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:26:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:26:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:26:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:26:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:26:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:26:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:26:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 08:26:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:26:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 08:26:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:26:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 08:26:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:26:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 08:26:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:26:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 08:26:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:26:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 08:26:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:26:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 08:26:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 08:26:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 08:26:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 08:26:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:26:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 08:26:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:26:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 08:26:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:26:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 08:26:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 08:26:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 08:26:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 08:26:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 08:26:17,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:26:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:26:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 08:26:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-10 08:26:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:17,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-10 08:26:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:18,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-10 08:26:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:18,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-10 08:26:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:18,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:26:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:18,023 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-10 08:26:18,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:26:18,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535508037] [2024-11-10 08:26:18,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535508037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:26:18,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:26:18,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 08:26:18,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936200756] [2024-11-10 08:26:18,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:26:18,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 08:26:18,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:26:18,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 08:26:18,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 08:26:18,025 INFO L87 Difference]: Start difference. First operand 219 states and 345 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-10 08:26:18,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:26:18,278 INFO L93 Difference]: Finished difference Result 699 states and 1109 transitions. [2024-11-10 08:26:18,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 08:26:18,279 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 297 [2024-11-10 08:26:18,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:26:18,282 INFO L225 Difference]: With dead ends: 699 [2024-11-10 08:26:18,282 INFO L226 Difference]: Without dead ends: 483 [2024-11-10 08:26:18,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 08:26:18,286 INFO L432 NwaCegarLoop]: 323 mSDtfsCounter, 266 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 08:26:18,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 871 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 08:26:18,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-11-10 08:26:18,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 296. [2024-11-10 08:26:18,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 207 states have (on average 1.4106280193236715) internal successors, (292), 207 states have internal predecessors, (292), 86 states have call successors, (86), 2 states have call predecessors, (86), 2 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-10 08:26:18,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 464 transitions. [2024-11-10 08:26:18,332 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 464 transitions. Word has length 297 [2024-11-10 08:26:18,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:26:18,334 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 464 transitions. [2024-11-10 08:26:18,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-10 08:26:18,334 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 464 transitions. [2024-11-10 08:26:18,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-10 08:26:18,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:26:18,337 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:26:18,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 08:26:18,339 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:26:18,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:26:18,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1858783406, now seen corresponding path program 1 times [2024-11-10 08:26:18,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:26:18,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511578981] [2024-11-10 08:26:18,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:26:18,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:26:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:26:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:26:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:26:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:26:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:26:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:26:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:26:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:26:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:26:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 08:26:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:26:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 08:26:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:26:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 08:26:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:26:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 08:26:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:26:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 08:26:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:26:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 08:26:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:26:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 08:26:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 08:26:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 08:26:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 08:26:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:26:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 08:26:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:26:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 08:26:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:26:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 08:26:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 08:26:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 08:26:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 08:26:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 08:26:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:26:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:26:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 08:26:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-10 08:26:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-10 08:26:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-10 08:26:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-10 08:26:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:26:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,310 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 6 proven. 120 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-10 08:26:19,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:26:19,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511578981] [2024-11-10 08:26:19,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511578981] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 08:26:19,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104000975] [2024-11-10 08:26:19,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:26:19,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:26:19,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:26:19,314 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 08:26:19,316 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 08:26:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:19,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 08:26:19,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 08:26:20,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 844 proven. 219 refuted. 0 times theorem prover too weak. 2549 trivial. 0 not checked. [2024-11-10 08:26:20,693 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 08:26:21,394 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 27 proven. 222 refuted. 0 times theorem prover too weak. 3363 trivial. 0 not checked. [2024-11-10 08:26:21,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104000975] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 08:26:21,395 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 08:26:21,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 13 [2024-11-10 08:26:21,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039296228] [2024-11-10 08:26:21,395 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 08:26:21,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 08:26:21,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:26:21,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 08:26:21,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-10 08:26:21,398 INFO L87 Difference]: Start difference. First operand 296 states and 464 transitions. Second operand has 13 states, 13 states have (on average 12.846153846153847) internal successors, (167), 13 states have internal predecessors, (167), 4 states have call successors, (121), 3 states have call predecessors, (121), 7 states have return successors, (123), 4 states have call predecessors, (123), 4 states have call successors, (123) [2024-11-10 08:26:22,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:26:22,031 INFO L93 Difference]: Finished difference Result 540 states and 828 transitions. [2024-11-10 08:26:22,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 08:26:22,032 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.846153846153847) internal successors, (167), 13 states have internal predecessors, (167), 4 states have call successors, (121), 3 states have call predecessors, (121), 7 states have return successors, (123), 4 states have call predecessors, (123), 4 states have call successors, (123) Word has length 298 [2024-11-10 08:26:22,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:26:22,037 INFO L225 Difference]: With dead ends: 540 [2024-11-10 08:26:22,038 INFO L226 Difference]: Without dead ends: 324 [2024-11-10 08:26:22,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 700 GetRequests, 674 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=204, Invalid=446, Unknown=0, NotChecked=0, Total=650 [2024-11-10 08:26:22,040 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 321 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 08:26:22,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 853 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 08:26:22,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-10 08:26:22,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 320. [2024-11-10 08:26:22,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 225 states have (on average 1.3644444444444443) internal successors, (307), 225 states have internal predecessors, (307), 86 states have call successors, (86), 8 states have call predecessors, (86), 8 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-10 08:26:22,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 479 transitions. [2024-11-10 08:26:22,081 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 479 transitions. Word has length 298 [2024-11-10 08:26:22,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:26:22,082 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 479 transitions. [2024-11-10 08:26:22,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.846153846153847) internal successors, (167), 13 states have internal predecessors, (167), 4 states have call successors, (121), 3 states have call predecessors, (121), 7 states have return successors, (123), 4 states have call predecessors, (123), 4 states have call successors, (123) [2024-11-10 08:26:22,082 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 479 transitions. [2024-11-10 08:26:22,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2024-11-10 08:26:22,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:26:22,085 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:26:22,103 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 08:26:22,289 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 08:26:22,290 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:26:22,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:26:22,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1297046173, now seen corresponding path program 1 times [2024-11-10 08:26:22,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:26:22,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418178304] [2024-11-10 08:26:22,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:26:22,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:26:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:26:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:26:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:26:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:26:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:26:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:26:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:26:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:26:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:26:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 08:26:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:26:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 08:26:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:26:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 08:26:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:26:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 08:26:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:26:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 08:26:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:26:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 08:26:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:26:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 08:26:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 08:26:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 08:26:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 08:26:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:26:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 08:26:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:26:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 08:26:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:26:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 08:26:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 08:26:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 08:26:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 08:26:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 08:26:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:26:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:26:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 08:26:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-10 08:26:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-10 08:26:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-10 08:26:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-10 08:26:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:26:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:22,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-10 08:26:22,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:26:22,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418178304] [2024-11-10 08:26:22,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418178304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:26:22,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:26:22,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 08:26:22,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865287462] [2024-11-10 08:26:22,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:26:22,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 08:26:22,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:26:22,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 08:26:22,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 08:26:22,620 INFO L87 Difference]: Start difference. First operand 320 states and 479 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-10 08:26:22,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:26:22,773 INFO L93 Difference]: Finished difference Result 776 states and 1175 transitions. [2024-11-10 08:26:22,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 08:26:22,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 299 [2024-11-10 08:26:22,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:26:22,777 INFO L225 Difference]: With dead ends: 776 [2024-11-10 08:26:22,777 INFO L226 Difference]: Without dead ends: 548 [2024-11-10 08:26:22,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 08:26:22,779 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 353 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 08:26:22,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 535 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 08:26:22,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2024-11-10 08:26:22,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 545. [2024-11-10 08:26:22,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 403 states have (on average 1.401985111662531) internal successors, (565), 403 states have internal predecessors, (565), 129 states have call successors, (129), 12 states have call predecessors, (129), 12 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-10 08:26:22,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 823 transitions. [2024-11-10 08:26:22,822 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 823 transitions. Word has length 299 [2024-11-10 08:26:22,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:26:22,822 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 823 transitions. [2024-11-10 08:26:22,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-10 08:26:22,823 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 823 transitions. [2024-11-10 08:26:22,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-10 08:26:22,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:26:22,825 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:26:22,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 08:26:22,826 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:26:22,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:26:22,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1256607490, now seen corresponding path program 1 times [2024-11-10 08:26:22,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:26:22,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548026947] [2024-11-10 08:26:22,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:26:22,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:26:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:26:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:26:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:26:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:26:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:26:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:26:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:26:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:26:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:26:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 08:26:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:26:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 08:26:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:26:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 08:26:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:26:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 08:26:23,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:26:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 08:26:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:26:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 08:26:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:26:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 08:26:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 08:26:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 08:26:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 08:26:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:26:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 08:26:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:26:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 08:26:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:26:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 08:26:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 08:26:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 08:26:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 08:26:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 08:26:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:26:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:26:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 08:26:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-10 08:26:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-10 08:26:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-10 08:26:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-10 08:26:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:26:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,696 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 33 proven. 93 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-10 08:26:23,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:26:23,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548026947] [2024-11-10 08:26:23,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548026947] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 08:26:23,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068929086] [2024-11-10 08:26:23,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:26:23,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:26:23,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:26:23,698 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 08:26:23,701 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 08:26:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:23,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 08:26:23,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 08:26:24,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 1428 proven. 93 refuted. 0 times theorem prover too weak. 2091 trivial. 0 not checked. [2024-11-10 08:26:24,461 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 08:26:24,756 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 33 proven. 93 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-10 08:26:24,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068929086] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 08:26:24,757 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 08:26:24,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 15 [2024-11-10 08:26:24,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131348376] [2024-11-10 08:26:24,757 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 08:26:24,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 08:26:24,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:26:24,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 08:26:24,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-11-10 08:26:24,761 INFO L87 Difference]: Start difference. First operand 545 states and 823 transitions. Second operand has 15 states, 15 states have (on average 13.266666666666667) internal successors, (199), 15 states have internal predecessors, (199), 5 states have call successors, (129), 3 states have call predecessors, (129), 6 states have return successors, (129), 5 states have call predecessors, (129), 5 states have call successors, (129) [2024-11-10 08:26:25,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:26:25,180 INFO L93 Difference]: Finished difference Result 1016 states and 1530 transitions. [2024-11-10 08:26:25,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 08:26:25,181 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 13.266666666666667) internal successors, (199), 15 states have internal predecessors, (199), 5 states have call successors, (129), 3 states have call predecessors, (129), 6 states have return successors, (129), 5 states have call predecessors, (129), 5 states have call successors, (129) Word has length 300 [2024-11-10 08:26:25,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:26:25,185 INFO L225 Difference]: With dead ends: 1016 [2024-11-10 08:26:25,186 INFO L226 Difference]: Without dead ends: 563 [2024-11-10 08:26:25,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 698 GetRequests, 678 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2024-11-10 08:26:25,189 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 811 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 811 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 08:26:25,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [811 Valid, 753 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 08:26:25,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-11-10 08:26:25,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 557. [2024-11-10 08:26:25,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 412 states have (on average 1.383495145631068) internal successors, (570), 412 states have internal predecessors, (570), 129 states have call successors, (129), 15 states have call predecessors, (129), 15 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-10 08:26:25,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 828 transitions. [2024-11-10 08:26:25,241 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 828 transitions. Word has length 300 [2024-11-10 08:26:25,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:26:25,242 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 828 transitions. [2024-11-10 08:26:25,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 13.266666666666667) internal successors, (199), 15 states have internal predecessors, (199), 5 states have call successors, (129), 3 states have call predecessors, (129), 6 states have return successors, (129), 5 states have call predecessors, (129), 5 states have call successors, (129) [2024-11-10 08:26:25,242 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 828 transitions. [2024-11-10 08:26:25,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-10 08:26:25,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:26:25,245 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:26:25,259 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 08:26:25,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-10 08:26:25,446 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:26:25,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:26:25,447 INFO L85 PathProgramCache]: Analyzing trace with hash -753496351, now seen corresponding path program 1 times [2024-11-10 08:26:25,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:26:25,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391268696] [2024-11-10 08:26:25,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:26:25,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:26:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:26:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:26:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:26:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:26:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:26:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:26:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:26:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:26:27,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:26:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 08:26:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:26:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 08:26:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:26:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 08:26:27,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:26:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 08:26:27,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:26:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 08:26:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:26:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 08:26:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 08:26:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 08:26:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 08:26:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 08:26:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 08:26:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:26:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 08:26:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:26:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 08:26:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:26:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 08:26:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 08:26:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 08:26:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 08:26:27,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 08:26:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:26:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:26:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 08:26:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-10 08:26:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-10 08:26:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-10 08:26:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-10 08:26:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:26:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,329 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 168 proven. 300 refuted. 0 times theorem prover too weak. 3144 trivial. 0 not checked. [2024-11-10 08:26:27,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:26:27,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391268696] [2024-11-10 08:26:27,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391268696] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 08:26:27,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309441526] [2024-11-10 08:26:27,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:26:27,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:26:27,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:26:27,332 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 08:26:27,334 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 08:26:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:26:27,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-10 08:26:27,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 08:26:31,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 2258 proven. 528 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2024-11-10 08:26:31,163 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 08:26:34,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309441526] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 08:26:34,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 08:26:34,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 25] total 36 [2024-11-10 08:26:34,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296040333] [2024-11-10 08:26:34,225 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 08:26:34,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-10 08:26:34,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:26:34,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-10 08:26:34,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=624, Invalid=2346, Unknown=0, NotChecked=0, Total=2970 [2024-11-10 08:26:34,228 INFO L87 Difference]: Start difference. First operand 557 states and 828 transitions. Second operand has 36 states, 35 states have (on average 5.085714285714285) internal successors, (178), 32 states have internal predecessors, (178), 14 states have call successors, (86), 9 states have call predecessors, (86), 13 states have return successors, (86), 13 states have call predecessors, (86), 14 states have call successors, (86) [2024-11-10 08:26:36,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:26:36,131 INFO L93 Difference]: Finished difference Result 1224 states and 1781 transitions. [2024-11-10 08:26:36,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-10 08:26:36,132 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 5.085714285714285) internal successors, (178), 32 states have internal predecessors, (178), 14 states have call successors, (86), 9 states have call predecessors, (86), 13 states have return successors, (86), 13 states have call predecessors, (86), 14 states have call successors, (86) Word has length 300 [2024-11-10 08:26:36,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:26:36,137 INFO L225 Difference]: With dead ends: 1224 [2024-11-10 08:26:36,138 INFO L226 Difference]: Without dead ends: 763 [2024-11-10 08:26:36,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 657 GetRequests, 591 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1315 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1083, Invalid=3473, Unknown=0, NotChecked=0, Total=4556 [2024-11-10 08:26:36,141 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1096 mSDsluCounter, 2779 mSDsCounter, 0 mSdLazyCounter, 2243 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1096 SdHoareTripleChecker+Valid, 2990 SdHoareTripleChecker+Invalid, 2261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 2243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 08:26:36,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1096 Valid, 2990 Invalid, 2261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 2243 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 08:26:36,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2024-11-10 08:26:36,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 674. [2024-11-10 08:26:36,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 513 states have (on average 1.3664717348927875) internal successors, (701), 513 states have internal predecessors, (701), 129 states have call successors, (129), 31 states have call predecessors, (129), 31 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-10 08:26:36,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 959 transitions. [2024-11-10 08:26:36,187 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 959 transitions. Word has length 300 [2024-11-10 08:26:36,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:26:36,188 INFO L471 AbstractCegarLoop]: Abstraction has 674 states and 959 transitions. [2024-11-10 08:26:36,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 5.085714285714285) internal successors, (178), 32 states have internal predecessors, (178), 14 states have call successors, (86), 9 states have call predecessors, (86), 13 states have return successors, (86), 13 states have call predecessors, (86), 14 states have call successors, (86) [2024-11-10 08:26:36,188 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 959 transitions. [2024-11-10 08:26:36,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-10 08:26:36,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:26:36,191 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:26:36,208 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 08:26:36,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:26:36,396 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:26:36,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:26:36,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1916927239, now seen corresponding path program 1 times [2024-11-10 08:26:36,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:26:36,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119115863] [2024-11-10 08:26:36,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:26:36,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:26:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 08:26:36,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1548887434] [2024-11-10 08:26:36,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:26:36,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:26:36,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:26:36,947 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 08:26:36,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process