./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-55.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-55.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 5208e97c947824349dcc8cb32160d4052cba683a795fae400d45ff0b27a23a25 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 08:25:12,003 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 08:25:12,057 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 08:25:12,060 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 08:25:12,060 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 08:25:12,074 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 08:25:12,075 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 08:25:12,076 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 08:25:12,076 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 08:25:12,076 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 08:25:12,076 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 08:25:12,077 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 08:25:12,077 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 08:25:12,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 08:25:12,077 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 08:25:12,078 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 08:25:12,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 08:25:12,078 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 08:25:12,080 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 08:25:12,080 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 08:25:12,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 08:25:12,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 08:25:12,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 08:25:12,084 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 08:25:12,084 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 08:25:12,084 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 08:25:12,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 08:25:12,084 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 08:25:12,085 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 08:25:12,085 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 08:25:12,085 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 08:25:12,085 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 08:25:12,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:25:12,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 08:25:12,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 08:25:12,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 08:25:12,086 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 08:25:12,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 08:25:12,086 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 08:25:12,086 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 08:25:12,086 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 08:25:12,087 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 08:25:12,087 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5208e97c947824349dcc8cb32160d4052cba683a795fae400d45ff0b27a23a25 [2024-11-10 08:25:12,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 08:25:12,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 08:25:12,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 08:25:12,294 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 08:25:12,295 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 08:25:12,295 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-55.i [2024-11-10 08:25:13,500 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 08:25:13,693 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 08:25:13,693 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-55.i [2024-11-10 08:25:13,702 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daea04e75/dd3f501b4def4f4299eb093d1a0a0939/FLAGf7fc22cd6 [2024-11-10 08:25:14,081 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daea04e75/dd3f501b4def4f4299eb093d1a0a0939 [2024-11-10 08:25:14,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 08:25:14,084 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 08:25:14,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 08:25:14,085 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 08:25:14,089 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 08:25:14,089 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:25:14" (1/1) ... [2024-11-10 08:25:14,090 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12c880b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:25:14, skipping insertion in model container [2024-11-10 08:25:14,090 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:25:14" (1/1) ... [2024-11-10 08:25:14,134 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 08:25:14,274 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-55.i[916,929] [2024-11-10 08:25:14,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:25:14,392 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 08:25:14,403 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-55.i[916,929] [2024-11-10 08:25:14,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:25:14,497 INFO L204 MainTranslator]: Completed translation [2024-11-10 08:25:14,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:25:14 WrapperNode [2024-11-10 08:25:14,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 08:25:14,498 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 08:25:14,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 08:25:14,499 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 08:25:14,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:25:14" (1/1) ... [2024-11-10 08:25:14,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:25:14" (1/1) ... [2024-11-10 08:25:14,561 INFO L138 Inliner]: procedures = 26, calls = 74, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 486 [2024-11-10 08:25:14,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 08:25:14,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 08:25:14,563 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 08:25:14,563 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 08:25:14,571 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:25:14" (1/1) ... [2024-11-10 08:25:14,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:25:14" (1/1) ... [2024-11-10 08:25:14,577 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:25:14" (1/1) ... [2024-11-10 08:25:14,600 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 08:25:14,600 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:25:14" (1/1) ... [2024-11-10 08:25:14,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:25:14" (1/1) ... [2024-11-10 08:25:14,622 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:25:14" (1/1) ... [2024-11-10 08:25:14,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:25:14" (1/1) ... [2024-11-10 08:25:14,627 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:25:14" (1/1) ... [2024-11-10 08:25:14,629 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:25:14" (1/1) ... [2024-11-10 08:25:14,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 08:25:14,640 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 08:25:14,640 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 08:25:14,640 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 08:25:14,641 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:25:14" (1/1) ... [2024-11-10 08:25:14,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:25:14,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:25:14,672 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 08:25:14,674 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 08:25:14,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 08:25:14,708 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 08:25:14,709 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 08:25:14,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 08:25:14,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 08:25:14,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 08:25:14,792 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 08:25:14,794 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 08:25:15,381 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L413: havoc property_#t~bitwise43#1;havoc property_#t~short44#1;havoc property_#t~ite48#1;havoc property_#t~ite47#1;havoc property_#t~bitwise45#1;havoc property_#t~bitwise46#1;havoc property_#t~short49#1; [2024-11-10 08:25:15,439 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-10 08:25:15,439 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 08:25:15,466 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 08:25:15,467 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 08:25:15,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:25:15 BoogieIcfgContainer [2024-11-10 08:25:15,467 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 08:25:15,469 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 08:25:15,469 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 08:25:15,472 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 08:25:15,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 08:25:14" (1/3) ... [2024-11-10 08:25:15,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63922225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:25:15, skipping insertion in model container [2024-11-10 08:25:15,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:25:14" (2/3) ... [2024-11-10 08:25:15,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63922225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:25:15, skipping insertion in model container [2024-11-10 08:25:15,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:25:15" (3/3) ... [2024-11-10 08:25:15,476 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-55.i [2024-11-10 08:25:15,489 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 08:25:15,489 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 08:25:15,541 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 08:25:15,547 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;@620e5f13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 08:25:15,547 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 08:25:15,553 INFO L276 IsEmpty]: Start isEmpty. Operand has 199 states, 135 states have (on average 1.4592592592592593) internal successors, (197), 136 states have internal predecessors, (197), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-10 08:25:15,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2024-11-10 08:25:15,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:25:15,574 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:25:15,575 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:25:15,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:25:15,579 INFO L85 PathProgramCache]: Analyzing trace with hash 114988394, now seen corresponding path program 1 times [2024-11-10 08:25:15,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:25:15,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907340698] [2024-11-10 08:25:15,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:25:15,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:25:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:25:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:25:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:25:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:25:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:25:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:25:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 08:25:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:25:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 08:25:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:25:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 08:25:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:25:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 08:25:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:25:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 08:25:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:25:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 08:25:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:25:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 08:25:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:25:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 08:25:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:25:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 08:25:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:25:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 08:25:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:25:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 08:25:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 08:25:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 08:25:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 08:25:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 08:25:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 08:25:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 08:25:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 08:25:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-10 08:25:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-10 08:25:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 08:25:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 08:25:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 08:25:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 08:25:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 08:25:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-10 08:25:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-10 08:25:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-10 08:25:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-10 08:25:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-10 08:25:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-10 08:25:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-10 08:25:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-10 08:25:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-10 08:25:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-10 08:25:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-10 08:25:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-10 08:25:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-10 08:25:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 08:25:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 08:25:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-11-10 08:25:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-11-10 08:25:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-11-10 08:25:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-11-10 08:25:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-10 08:25:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,236 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-10 08:25:16,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:25:16,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907340698] [2024-11-10 08:25:16,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907340698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:25:16,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:25:16,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 08:25:16,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601347420] [2024-11-10 08:25:16,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:25:16,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 08:25:16,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:25:16,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 08:25:16,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 08:25:16,270 INFO L87 Difference]: Start difference. First operand has 199 states, 135 states have (on average 1.4592592592592593) internal successors, (197), 136 states have internal predecessors, (197), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) Second operand has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 states have internal predecessors, (88), 2 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 2 states have call successors, (61) [2024-11-10 08:25:16,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:25:16,336 INFO L93 Difference]: Finished difference Result 389 states and 690 transitions. [2024-11-10 08:25:16,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 08:25:16,340 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 states have internal predecessors, (88), 2 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 2 states have call successors, (61) Word has length 390 [2024-11-10 08:25:16,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:25:16,346 INFO L225 Difference]: With dead ends: 389 [2024-11-10 08:25:16,347 INFO L226 Difference]: Without dead ends: 193 [2024-11-10 08:25:16,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 185 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 08:25:16,355 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 08:25:16,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 301 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 08:25:16,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-10 08:25:16,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2024-11-10 08:25:16,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 130 states have (on average 1.4230769230769231) internal successors, (185), 130 states have internal predecessors, (185), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-10 08:25:16,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 307 transitions. [2024-11-10 08:25:16,406 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 307 transitions. Word has length 390 [2024-11-10 08:25:16,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:25:16,406 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 307 transitions. [2024-11-10 08:25:16,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 states have internal predecessors, (88), 2 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 2 states have call successors, (61) [2024-11-10 08:25:16,407 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 307 transitions. [2024-11-10 08:25:16,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2024-11-10 08:25:16,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:25:16,412 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:25:16,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 08:25:16,412 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:25:16,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:25:16,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1534764934, now seen corresponding path program 1 times [2024-11-10 08:25:16,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:25:16,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469281936] [2024-11-10 08:25:16,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:25:16,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:25:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:25:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:25:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:25:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:25:16,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:25:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:25:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 08:25:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:25:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 08:25:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:25:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 08:25:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:25:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 08:25:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:25:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 08:25:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:25:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 08:25:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:25:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 08:25:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:25:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 08:25:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:25:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 08:25:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:25:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 08:25:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:25:16,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 08:25:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 08:25:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 08:25:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 08:25:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 08:25:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 08:25:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 08:25:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 08:25:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-10 08:25:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-10 08:25:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 08:25:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 08:25:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 08:25:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 08:25:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 08:25:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-10 08:25:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-10 08:25:16,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-10 08:25:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-10 08:25:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-10 08:25:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-10 08:25:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-10 08:25:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-10 08:25:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-10 08:25:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-10 08:25:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-10 08:25:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-10 08:25:16,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-10 08:25:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 08:25:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 08:25:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-11-10 08:25:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-11-10 08:25:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-11-10 08:25:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-11-10 08:25:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-10 08:25:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:16,855 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-10 08:25:16,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:25:16,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469281936] [2024-11-10 08:25:16,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469281936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:25:16,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:25:16,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 08:25:16,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038357903] [2024-11-10 08:25:16,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:25:16,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 08:25:16,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:25:16,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 08:25:16,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:25:16,863 INFO L87 Difference]: Start difference. First operand 193 states and 307 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-10 08:25:17,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:25:17,004 INFO L93 Difference]: Finished difference Result 565 states and 900 transitions. [2024-11-10 08:25:17,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 08:25:17,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 390 [2024-11-10 08:25:17,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:25:17,012 INFO L225 Difference]: With dead ends: 565 [2024-11-10 08:25:17,012 INFO L226 Difference]: Without dead ends: 375 [2024-11-10 08:25:17,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 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 08:25:17,015 INFO L432 NwaCegarLoop]: 510 mSDtfsCounter, 273 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 08:25:17,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 772 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 08:25:17,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-10 08:25:17,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 226. [2024-11-10 08:25:17,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 163 states have (on average 1.4110429447852761) internal successors, (230), 163 states have internal predecessors, (230), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-10 08:25:17,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 352 transitions. [2024-11-10 08:25:17,053 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 352 transitions. Word has length 390 [2024-11-10 08:25:17,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:25:17,056 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 352 transitions. [2024-11-10 08:25:17,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-10 08:25:17,056 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 352 transitions. [2024-11-10 08:25:17,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2024-11-10 08:25:17,062 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:25:17,062 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:25:17,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 08:25:17,062 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:25:17,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:25:17,063 INFO L85 PathProgramCache]: Analyzing trace with hash 430584484, now seen corresponding path program 1 times [2024-11-10 08:25:17,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:25:17,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683528126] [2024-11-10 08:25:17,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:25:17,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:25:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:25:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:25:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:25:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:25:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:25:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:25:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 08:25:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:25:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 08:25:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:25:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 08:25:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:25:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 08:25:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:25:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 08:25:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:25:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 08:25:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:25:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 08:25:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:25:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 08:25:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:25:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 08:25:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:25:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 08:25:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:25:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 08:25:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 08:25:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 08:25:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 08:25:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 08:25:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 08:25:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 08:25:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 08:25:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-10 08:25:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-10 08:25:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 08:25:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 08:25:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 08:25:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 08:25:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 08:25:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-10 08:25:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-10 08:25:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-10 08:25:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-10 08:25:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-10 08:25:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-10 08:25:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-10 08:25:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-10 08:25:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-10 08:25:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-10 08:25:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-10 08:25:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-10 08:25:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-10 08:25:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 08:25:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 08:25:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-11-10 08:25:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-11-10 08:25:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-11-10 08:25:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-11-10 08:25:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-10 08:25:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:17,695 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-10 08:25:17,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:25:17,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683528126] [2024-11-10 08:25:17,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683528126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:25:17,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:25:17,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 08:25:17,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616441573] [2024-11-10 08:25:17,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:25:17,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 08:25:17,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:25:17,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 08:25:17,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 08:25:17,699 INFO L87 Difference]: Start difference. First operand 226 states and 352 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 2 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2024-11-10 08:25:18,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:25:18,087 INFO L93 Difference]: Finished difference Result 764 states and 1186 transitions. [2024-11-10 08:25:18,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 08:25:18,088 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 2 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 390 [2024-11-10 08:25:18,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:25:18,093 INFO L225 Difference]: With dead ends: 764 [2024-11-10 08:25:18,094 INFO L226 Difference]: Without dead ends: 541 [2024-11-10 08:25:18,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 08:25:18,096 INFO L432 NwaCegarLoop]: 380 mSDtfsCounter, 487 mSDsluCounter, 936 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 292 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 1316 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 292 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 08:25:18,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 1316 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [292 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 08:25:18,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-11-10 08:25:18,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 446. [2024-11-10 08:25:18,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 321 states have (on average 1.4143302180685358) internal successors, (454), 321 states have internal predecessors, (454), 122 states have call successors, (122), 2 states have call predecessors, (122), 2 states have return successors, (122), 122 states have call predecessors, (122), 122 states have call successors, (122) [2024-11-10 08:25:18,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 698 transitions. [2024-11-10 08:25:18,138 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 698 transitions. Word has length 390 [2024-11-10 08:25:18,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:25:18,139 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 698 transitions. [2024-11-10 08:25:18,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 2 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2024-11-10 08:25:18,139 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 698 transitions. [2024-11-10 08:25:18,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2024-11-10 08:25:18,143 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:25:18,143 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:25:18,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 08:25:18,143 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:25:18,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:25:18,144 INFO L85 PathProgramCache]: Analyzing trace with hash -365677063, now seen corresponding path program 1 times [2024-11-10 08:25:18,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:25:18,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295017184] [2024-11-10 08:25:18,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:25:18,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:25:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:25:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:25:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:25:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:25:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:25:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:25:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 08:25:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:25:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 08:25:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:25:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 08:25:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:25:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 08:25:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:25:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 08:25:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:25:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 08:25:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:25:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 08:25:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:25:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 08:25:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:25:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 08:25:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:25:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 08:25:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:25:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 08:25:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 08:25:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 08:25:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 08:25:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 08:25:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 08:25:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 08:25:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 08:25:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-10 08:25:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-10 08:25:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 08:25:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 08:25:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 08:25:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 08:25:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 08:25:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-10 08:25:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-10 08:25:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-10 08:25:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-10 08:25:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-10 08:25:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-10 08:25:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-10 08:25:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-10 08:25:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-10 08:25:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-10 08:25:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-10 08:25:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-10 08:25:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-10 08:25:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 08:25:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 08:25:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-11-10 08:25:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-11-10 08:25:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-11-10 08:25:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-11-10 08:25:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-10 08:25:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,112 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 171 proven. 9 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-10 08:25:19,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:25:19,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295017184] [2024-11-10 08:25:19,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295017184] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 08:25:19,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279622939] [2024-11-10 08:25:19,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:25:19,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:25:19,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:25:19,115 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 08:25:19,116 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 08:25:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:19,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 08:25:19,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 08:25:19,507 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 858 proven. 9 refuted. 0 times theorem prover too weak. 6453 trivial. 0 not checked. [2024-11-10 08:25:19,508 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 08:25:19,800 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 171 proven. 9 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-10 08:25:19,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279622939] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 08:25:19,803 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 08:25:19,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-10 08:25:19,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665624287] [2024-11-10 08:25:19,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 08:25:19,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 08:25:19,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:25:19,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 08:25:19,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-10 08:25:19,806 INFO L87 Difference]: Start difference. First operand 446 states and 698 transitions. Second operand has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 2 states have call successors, (64), 2 states have call predecessors, (64), 4 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2024-11-10 08:25:20,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:25:20,731 INFO L93 Difference]: Finished difference Result 959 states and 1487 transitions. [2024-11-10 08:25:20,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 08:25:20,732 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 2 states have call successors, (64), 2 states have call predecessors, (64), 4 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) Word has length 391 [2024-11-10 08:25:20,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:25:20,736 INFO L225 Difference]: With dead ends: 959 [2024-11-10 08:25:20,736 INFO L226 Difference]: Without dead ends: 516 [2024-11-10 08:25:20,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 918 GetRequests, 900 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2024-11-10 08:25:20,738 INFO L432 NwaCegarLoop]: 339 mSDtfsCounter, 632 mSDsluCounter, 782 mSDsCounter, 0 mSdLazyCounter, 1085 mSolverCounterSat, 469 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 1554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 469 IncrementalHoareTripleChecker+Valid, 1085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 08:25:20,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [633 Valid, 1121 Invalid, 1554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [469 Valid, 1085 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 08:25:20,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2024-11-10 08:25:20,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 489. [2024-11-10 08:25:20,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 299 states have (on average 1.2775919732441472) internal successors, (382), 300 states have internal predecessors, (382), 183 states have call successors, (183), 6 states have call predecessors, (183), 6 states have return successors, (183), 182 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-10 08:25:20,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 748 transitions. [2024-11-10 08:25:20,806 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 748 transitions. Word has length 391 [2024-11-10 08:25:20,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:25:20,807 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 748 transitions. [2024-11-10 08:25:20,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 2 states have call successors, (64), 2 states have call predecessors, (64), 4 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2024-11-10 08:25:20,807 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 748 transitions. [2024-11-10 08:25:20,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2024-11-10 08:25:20,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:25:20,809 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:25:20,834 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 08:25:21,009 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 08:25:21,010 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:25:21,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:25:21,012 INFO L85 PathProgramCache]: Analyzing trace with hash 484562705, now seen corresponding path program 1 times [2024-11-10 08:25:21,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:25:21,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098058964] [2024-11-10 08:25:21,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:25:21,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:25:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:25:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:25:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:25:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:25:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:25:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:25:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 08:25:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:25:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 08:25:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:25:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 08:25:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:25:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 08:25:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:25:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 08:25:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:25:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 08:25:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:25:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 08:25:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:25:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 08:25:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:25:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 08:25:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:25:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 08:25:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:25:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 08:25:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 08:25:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 08:25:23,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 08:25:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 08:25:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 08:25:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 08:25:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 08:25:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-10 08:25:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-10 08:25:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 08:25:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 08:25:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 08:25:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 08:25:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 08:25:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-10 08:25:23,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-10 08:25:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-10 08:25:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-10 08:25:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-10 08:25:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-10 08:25:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-10 08:25:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-10 08:25:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-10 08:25:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-10 08:25:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-10 08:25:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-10 08:25:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-10 08:25:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 08:25:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:23,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 08:25:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:24,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-11-10 08:25:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:24,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-11-10 08:25:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:24,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-11-10 08:25:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:24,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-11-10 08:25:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:24,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-10 08:25:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:24,041 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 84 proven. 438 refuted. 0 times theorem prover too weak. 6798 trivial. 0 not checked. [2024-11-10 08:25:24,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:25:24,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098058964] [2024-11-10 08:25:24,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098058964] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 08:25:24,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959098866] [2024-11-10 08:25:24,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:25:24,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:25:24,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:25:24,044 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 08:25:24,045 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 08:25:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:24,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-10 08:25:24,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 08:25:27,650 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 2079 proven. 576 refuted. 0 times theorem prover too weak. 4665 trivial. 0 not checked. [2024-11-10 08:25:27,651 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 08:25:30,446 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 84 proven. 447 refuted. 0 times theorem prover too weak. 6789 trivial. 0 not checked. [2024-11-10 08:25:30,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959098866] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 08:25:30,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 08:25:30,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 19, 18] total 46 [2024-11-10 08:25:30,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881645450] [2024-11-10 08:25:30,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 08:25:30,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-10 08:25:30,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:25:30,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-10 08:25:30,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=350, Invalid=1720, Unknown=0, NotChecked=0, Total=2070 [2024-11-10 08:25:30,450 INFO L87 Difference]: Start difference. First operand 489 states and 748 transitions. Second operand has 46 states, 43 states have (on average 6.325581395348837) internal successors, (272), 41 states have internal predecessors, (272), 15 states have call successors, (183), 6 states have call predecessors, (183), 11 states have return successors, (183), 15 states have call predecessors, (183), 15 states have call successors, (183) [2024-11-10 08:25:35,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:25:35,767 INFO L93 Difference]: Finished difference Result 2267 states and 3317 transitions. [2024-11-10 08:25:35,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-11-10 08:25:35,768 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 43 states have (on average 6.325581395348837) internal successors, (272), 41 states have internal predecessors, (272), 15 states have call successors, (183), 6 states have call predecessors, (183), 11 states have return successors, (183), 15 states have call predecessors, (183), 15 states have call successors, (183) Word has length 392 [2024-11-10 08:25:35,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:25:35,779 INFO L225 Difference]: With dead ends: 2267 [2024-11-10 08:25:35,779 INFO L226 Difference]: Without dead ends: 1888 [2024-11-10 08:25:35,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1001 GetRequests, 879 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5049 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=2284, Invalid=12968, Unknown=0, NotChecked=0, Total=15252 [2024-11-10 08:25:35,783 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 3338 mSDsluCounter, 3719 mSDsCounter, 0 mSdLazyCounter, 3998 mSolverCounterSat, 927 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3369 SdHoareTripleChecker+Valid, 3927 SdHoareTripleChecker+Invalid, 4925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 927 IncrementalHoareTripleChecker+Valid, 3998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-10 08:25:35,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3369 Valid, 3927 Invalid, 4925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [927 Valid, 3998 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-10 08:25:35,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1888 states. [2024-11-10 08:25:35,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1888 to 780. [2024-11-10 08:25:35,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 780 states, 561 states have (on average 1.338680926916221) internal successors, (751), 563 states have internal predecessors, (751), 205 states have call successors, (205), 13 states have call predecessors, (205), 13 states have return successors, (205), 203 states have call predecessors, (205), 205 states have call successors, (205) [2024-11-10 08:25:35,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1161 transitions. [2024-11-10 08:25:35,880 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1161 transitions. Word has length 392 [2024-11-10 08:25:35,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:25:35,881 INFO L471 AbstractCegarLoop]: Abstraction has 780 states and 1161 transitions. [2024-11-10 08:25:35,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 43 states have (on average 6.325581395348837) internal successors, (272), 41 states have internal predecessors, (272), 15 states have call successors, (183), 6 states have call predecessors, (183), 11 states have return successors, (183), 15 states have call predecessors, (183), 15 states have call successors, (183) [2024-11-10 08:25:35,881 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1161 transitions. [2024-11-10 08:25:35,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2024-11-10 08:25:35,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:25:35,883 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:25:35,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 08:25:36,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:25:36,087 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:25:36,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:25:36,087 INFO L85 PathProgramCache]: Analyzing trace with hash -858059907, now seen corresponding path program 1 times [2024-11-10 08:25:36,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:25:36,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825529494] [2024-11-10 08:25:36,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:25:36,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:25:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 08:25:36,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [372986244] [2024-11-10 08:25:36,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:25:36,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:25:36,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:25:36,444 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 08:25:36,444 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 08:25:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:36,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 08:25:36,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 08:25:37,653 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 3458 proven. 123 refuted. 0 times theorem prover too weak. 3739 trivial. 0 not checked. [2024-11-10 08:25:37,654 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 08:25:37,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:25:37,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825529494] [2024-11-10 08:25:37,930 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 08:25:37,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372986244] [2024-11-10 08:25:37,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372986244] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 08:25:37,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 08:25:37,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 08:25:37,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106631721] [2024-11-10 08:25:37,930 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 08:25:37,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 08:25:37,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:25:37,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 08:25:37,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-10 08:25:37,932 INFO L87 Difference]: Start difference. First operand 780 states and 1161 transitions. Second operand has 8 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 3 states have call successors, (61), 3 states have call predecessors, (61), 4 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2024-11-10 08:25:38,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:25:38,735 INFO L93 Difference]: Finished difference Result 1639 states and 2381 transitions. [2024-11-10 08:25:38,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 08:25:38,736 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 3 states have call successors, (61), 3 states have call predecessors, (61), 4 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) Word has length 393 [2024-11-10 08:25:38,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:25:38,746 INFO L225 Difference]: With dead ends: 1639 [2024-11-10 08:25:38,747 INFO L226 Difference]: Without dead ends: 1372 [2024-11-10 08:25:38,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 433 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2024-11-10 08:25:38,748 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 539 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 08:25:38,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 890 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 08:25:38,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1372 states. [2024-11-10 08:25:38,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1372 to 1218. [2024-11-10 08:25:38,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1218 states, 983 states have (on average 1.37029501525941) internal successors, (1347), 989 states have internal predecessors, (1347), 213 states have call successors, (213), 21 states have call predecessors, (213), 21 states have return successors, (213), 207 states have call predecessors, (213), 213 states have call successors, (213) [2024-11-10 08:25:38,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1773 transitions. [2024-11-10 08:25:38,842 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1773 transitions. Word has length 393 [2024-11-10 08:25:38,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:25:38,843 INFO L471 AbstractCegarLoop]: Abstraction has 1218 states and 1773 transitions. [2024-11-10 08:25:38,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 3 states have call successors, (61), 3 states have call predecessors, (61), 4 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2024-11-10 08:25:38,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1773 transitions. [2024-11-10 08:25:38,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2024-11-10 08:25:38,845 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:25:38,845 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:25:38,860 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 08:25:39,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:25:39,046 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:25:39,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:25:39,047 INFO L85 PathProgramCache]: Analyzing trace with hash -95352119, now seen corresponding path program 1 times [2024-11-10 08:25:39,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:25:39,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362980837] [2024-11-10 08:25:39,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:25:39,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:25:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 08:25:39,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1754024319] [2024-11-10 08:25:39,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:25:39,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:25:39,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:25:39,347 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 08:25:39,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 08:25:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:39,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-10 08:25:39,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 08:25:41,305 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 3301 proven. 567 refuted. 0 times theorem prover too weak. 3452 trivial. 0 not checked. [2024-11-10 08:25:41,305 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 08:25:42,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:25:42,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362980837] [2024-11-10 08:25:42,417 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 08:25:42,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754024319] [2024-11-10 08:25:42,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754024319] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 08:25:42,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 08:25:42,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2024-11-10 08:25:42,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590163742] [2024-11-10 08:25:42,417 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 08:25:42,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 08:25:42,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:25:42,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 08:25:42,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=486, Unknown=0, NotChecked=0, Total=650 [2024-11-10 08:25:42,419 INFO L87 Difference]: Start difference. First operand 1218 states and 1773 transitions. Second operand has 16 states, 16 states have (on average 7.0) internal successors, (112), 15 states have internal predecessors, (112), 5 states have call successors, (61), 5 states have call predecessors, (61), 8 states have return successors, (61), 5 states have call predecessors, (61), 5 states have call successors, (61) [2024-11-10 08:25:43,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:25:43,881 INFO L93 Difference]: Finished difference Result 2291 states and 3244 transitions. [2024-11-10 08:25:43,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-10 08:25:43,883 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.0) internal successors, (112), 15 states have internal predecessors, (112), 5 states have call successors, (61), 5 states have call predecessors, (61), 8 states have return successors, (61), 5 states have call predecessors, (61), 5 states have call successors, (61) Word has length 393 [2024-11-10 08:25:43,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:25:43,891 INFO L225 Difference]: With dead ends: 2291 [2024-11-10 08:25:43,891 INFO L226 Difference]: Without dead ends: 1857 [2024-11-10 08:25:43,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 741 GetRequests, 695 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 526 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=607, Invalid=1649, Unknown=0, NotChecked=0, Total=2256 [2024-11-10 08:25:43,894 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 666 mSDsluCounter, 1289 mSDsCounter, 0 mSdLazyCounter, 1785 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 1561 SdHoareTripleChecker+Invalid, 1916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 1785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 08:25:43,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 1561 Invalid, 1916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 1785 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 08:25:43,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2024-11-10 08:25:44,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1475. [2024-11-10 08:25:44,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 1162 states have (on average 1.3356282271944921) internal successors, (1552), 1168 states have internal predecessors, (1552), 265 states have call successors, (265), 47 states have call predecessors, (265), 47 states have return successors, (265), 259 states have call predecessors, (265), 265 states have call successors, (265) [2024-11-10 08:25:44,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 2082 transitions. [2024-11-10 08:25:44,037 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 2082 transitions. Word has length 393 [2024-11-10 08:25:44,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:25:44,038 INFO L471 AbstractCegarLoop]: Abstraction has 1475 states and 2082 transitions. [2024-11-10 08:25:44,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.0) internal successors, (112), 15 states have internal predecessors, (112), 5 states have call successors, (61), 5 states have call predecessors, (61), 8 states have return successors, (61), 5 states have call predecessors, (61), 5 states have call successors, (61) [2024-11-10 08:25:44,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 2082 transitions. [2024-11-10 08:25:44,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2024-11-10 08:25:44,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:25:44,042 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:25:44,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 08:25:44,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:25:44,247 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:25:44,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:25:44,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1306756546, now seen corresponding path program 1 times [2024-11-10 08:25:44,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:25:44,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283221888] [2024-11-10 08:25:44,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:25:44,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:25:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 08:25:44,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1280148152] [2024-11-10 08:25:44,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:25:44,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:25:44,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:25:44,559 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 08:25:44,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 08:25:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:44,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-10 08:25:44,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 08:25:48,236 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 3452 proven. 282 refuted. 0 times theorem prover too weak. 3586 trivial. 0 not checked. [2024-11-10 08:25:48,236 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 08:25:50,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:25:50,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283221888] [2024-11-10 08:25:50,835 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 08:25:50,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280148152] [2024-11-10 08:25:50,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280148152] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 08:25:50,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 08:25:50,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2024-11-10 08:25:50,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76907856] [2024-11-10 08:25:50,835 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 08:25:50,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-10 08:25:50,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:25:50,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-10 08:25:50,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=747, Unknown=0, NotChecked=0, Total=870 [2024-11-10 08:25:50,837 INFO L87 Difference]: Start difference. First operand 1475 states and 2082 transitions. Second operand has 20 states, 20 states have (on average 5.3) internal successors, (106), 19 states have internal predecessors, (106), 4 states have call successors, (61), 4 states have call predecessors, (61), 6 states have return successors, (61), 4 states have call predecessors, (61), 4 states have call successors, (61) [2024-11-10 08:25:56,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:25:56,226 INFO L93 Difference]: Finished difference Result 4408 states and 6184 transitions. [2024-11-10 08:25:56,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-10 08:25:56,227 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.3) internal successors, (106), 19 states have internal predecessors, (106), 4 states have call successors, (61), 4 states have call predecessors, (61), 6 states have return successors, (61), 4 states have call predecessors, (61), 4 states have call successors, (61) Word has length 393 [2024-11-10 08:25:56,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:25:56,238 INFO L225 Difference]: With dead ends: 4408 [2024-11-10 08:25:56,238 INFO L226 Difference]: Without dead ends: 3902 [2024-11-10 08:25:56,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 641 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=550, Invalid=2642, Unknown=0, NotChecked=0, Total=3192 [2024-11-10 08:25:56,241 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 1718 mSDsluCounter, 3023 mSDsCounter, 0 mSdLazyCounter, 2479 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1718 SdHoareTripleChecker+Valid, 3286 SdHoareTripleChecker+Invalid, 2686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 2479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-10 08:25:56,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1718 Valid, 3286 Invalid, 2686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 2479 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-10 08:25:56,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3902 states. [2024-11-10 08:25:56,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3902 to 1721. [2024-11-10 08:25:56,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1721 states, 1401 states have (on average 1.3540328336902212) internal successors, (1897), 1409 states have internal predecessors, (1897), 269 states have call successors, (269), 50 states have call predecessors, (269), 50 states have return successors, (269), 261 states have call predecessors, (269), 269 states have call successors, (269) [2024-11-10 08:25:56,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 2435 transitions. [2024-11-10 08:25:56,376 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 2435 transitions. Word has length 393 [2024-11-10 08:25:56,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:25:56,377 INFO L471 AbstractCegarLoop]: Abstraction has 1721 states and 2435 transitions. [2024-11-10 08:25:56,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.3) internal successors, (106), 19 states have internal predecessors, (106), 4 states have call successors, (61), 4 states have call predecessors, (61), 6 states have return successors, (61), 4 states have call predecessors, (61), 4 states have call successors, (61) [2024-11-10 08:25:56,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2435 transitions. [2024-11-10 08:25:56,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2024-11-10 08:25:56,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:25:56,382 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:25:56,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 08:25:56,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:25:56,582 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:25:56,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:25:56,583 INFO L85 PathProgramCache]: Analyzing trace with hash -544048758, now seen corresponding path program 1 times [2024-11-10 08:25:56,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:25:56,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58997496] [2024-11-10 08:25:56,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:25:56,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:25:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 08:25:56,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1432322409] [2024-11-10 08:25:56,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:25:56,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:25:56,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:25:56,825 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 08:25:56,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 08:25:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:25:57,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-10 08:25:57,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 08:26:06,329 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 3208 proven. 717 refuted. 0 times theorem prover too weak. 3395 trivial. 0 not checked. [2024-11-10 08:26:06,329 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 08:26:11,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:26:11,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58997496] [2024-11-10 08:26:11,169 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 08:26:11,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432322409] [2024-11-10 08:26:11,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432322409] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 08:26:11,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 08:26:11,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2024-11-10 08:26:11,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320666836] [2024-11-10 08:26:11,169 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 08:26:11,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-10 08:26:11,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:26:11,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-10 08:26:11,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=339, Invalid=1729, Unknown=2, NotChecked=0, Total=2070 [2024-11-10 08:26:11,171 INFO L87 Difference]: Start difference. First operand 1721 states and 2435 transitions. Second operand has 29 states, 29 states have (on average 4.068965517241379) internal successors, (118), 26 states have internal predecessors, (118), 6 states have call successors, (61), 6 states have call predecessors, (61), 10 states have return successors, (61), 7 states have call predecessors, (61), 6 states have call successors, (61) [2024-11-10 08:26:18,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-10 08:26:25,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-10 08:26:27,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-10 08:26:28,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-10 08:26:31,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-10 08:26:33,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-10 08:26:35,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]