./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-58.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-58.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 59e2360cc163a0d2384c49f36d50ca727f3204f5fadd596107d45f50dd73df19 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 19:33:37,504 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 19:33:37,567 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 19:33:37,572 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 19:33:37,572 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 19:33:37,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 19:33:37,598 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 19:33:37,599 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 19:33:37,599 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 19:33:37,600 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 19:33:37,601 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 19:33:37,601 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 19:33:37,602 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 19:33:37,602 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 19:33:37,605 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 19:33:37,605 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 19:33:37,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 19:33:37,606 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 19:33:37,606 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 19:33:37,606 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 19:33:37,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 19:33:37,607 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 19:33:37,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 19:33:37,607 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 19:33:37,607 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 19:33:37,607 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 19:33:37,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 19:33:37,608 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 19:33:37,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 19:33:37,608 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 19:33:37,608 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 19:33:37,608 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 19:33:37,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 19:33:37,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 19:33:37,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 19:33:37,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 19:33:37,609 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 19:33:37,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 19:33:37,610 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 19:33:37,610 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 19:33:37,610 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 19:33:37,616 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 19:33:37,616 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59e2360cc163a0d2384c49f36d50ca727f3204f5fadd596107d45f50dd73df19 [2024-11-18 19:33:37,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 19:33:37,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 19:33:37,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 19:33:37,852 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 19:33:37,853 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 19:33:37,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-58.i [2024-11-18 19:33:39,463 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 19:33:39,712 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 19:33:39,712 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-58.i [2024-11-18 19:33:39,725 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ef3d5b19/36b04dffe0124ec595824ed22a8d5b9e/FLAG7ef2cde15 [2024-11-18 19:33:39,741 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ef3d5b19/36b04dffe0124ec595824ed22a8d5b9e [2024-11-18 19:33:39,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 19:33:39,745 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 19:33:39,747 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 19:33:39,748 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 19:33:39,760 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 19:33:39,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:33:39" (1/1) ... [2024-11-18 19:33:39,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@518df85f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:39, skipping insertion in model container [2024-11-18 19:33:39,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:33:39" (1/1) ... [2024-11-18 19:33:39,816 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 19:33:39,975 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-58.i[916,929] [2024-11-18 19:33:40,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 19:33:40,077 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 19:33:40,088 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-58.i[916,929] [2024-11-18 19:33:40,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 19:33:40,168 INFO L204 MainTranslator]: Completed translation [2024-11-18 19:33:40,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:40 WrapperNode [2024-11-18 19:33:40,171 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 19:33:40,176 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 19:33:40,176 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 19:33:40,176 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 19:33:40,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:40" (1/1) ... [2024-11-18 19:33:40,196 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:40" (1/1) ... [2024-11-18 19:33:40,237 INFO L138 Inliner]: procedures = 26, calls = 87, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 545 [2024-11-18 19:33:40,237 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 19:33:40,238 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 19:33:40,238 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 19:33:40,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 19:33:40,247 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:40" (1/1) ... [2024-11-18 19:33:40,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:40" (1/1) ... [2024-11-18 19:33:40,256 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:40" (1/1) ... [2024-11-18 19:33:40,285 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]. [2024-11-18 19:33:40,285 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:40" (1/1) ... [2024-11-18 19:33:40,285 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:40" (1/1) ... [2024-11-18 19:33:40,302 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:40" (1/1) ... [2024-11-18 19:33:40,310 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:40" (1/1) ... [2024-11-18 19:33:40,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:40" (1/1) ... [2024-11-18 19:33:40,323 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:40" (1/1) ... [2024-11-18 19:33:40,331 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 19:33:40,331 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 19:33:40,331 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 19:33:40,331 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 19:33:40,335 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:40" (1/1) ... [2024-11-18 19:33:40,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 19:33:40,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 19:33:40,380 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) [2024-11-18 19:33:40,383 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 [2024-11-18 19:33:40,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 19:33:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 19:33:40,424 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 19:33:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 19:33:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 19:33:40,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 19:33:40,562 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 19:33:40,568 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 19:33:41,330 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-18 19:33:41,331 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 19:33:41,343 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 19:33:41,344 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 19:33:41,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:33:41 BoogieIcfgContainer [2024-11-18 19:33:41,344 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 19:33:41,346 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 19:33:41,346 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 19:33:41,348 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 19:33:41,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:33:39" (1/3) ... [2024-11-18 19:33:41,349 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@467423c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:33:41, skipping insertion in model container [2024-11-18 19:33:41,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:40" (2/3) ... [2024-11-18 19:33:41,349 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@467423c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:33:41, skipping insertion in model container [2024-11-18 19:33:41,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:33:41" (3/3) ... [2024-11-18 19:33:41,351 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-250_file-58.i [2024-11-18 19:33:41,364 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 19:33:41,364 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 19:33:41,416 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 19:33:41,423 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;@719f5088, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 19:33:41,424 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 19:33:41,428 INFO L276 IsEmpty]: Start isEmpty. Operand has 228 states, 151 states have (on average 1.5430463576158941) internal successors, (233), 152 states have internal predecessors, (233), 74 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-18 19:33:41,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2024-11-18 19:33:41,453 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:33:41,454 INFO L215 NwaCegarLoop]: trace histogram [74, 74, 74, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:33:41,455 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:33:41,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:33:41,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1411580817, now seen corresponding path program 1 times [2024-11-18 19:33:41,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:33:41,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102835073] [2024-11-18 19:33:41,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:33:41,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:33:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:33:42,005 INFO L134 CoverageAnalysis]: Checked inductivity of 10804 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 10658 trivial. 0 not checked. [2024-11-18 19:33:42,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:33:42,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102835073] [2024-11-18 19:33:42,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102835073] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 19:33:42,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149376641] [2024-11-18 19:33:42,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:33:42,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 19:33:42,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 19:33:42,010 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) [2024-11-18 19:33:42,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 19:33:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:33:42,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 1057 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 19:33:42,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 19:33:42,359 INFO L134 CoverageAnalysis]: Checked inductivity of 10804 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 10658 trivial. 0 not checked. [2024-11-18 19:33:42,360 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 19:33:42,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149376641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:33:42,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 19:33:42,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-18 19:33:42,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461295315] [2024-11-18 19:33:42,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:33:42,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 19:33:42,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:33:42,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 19:33:42,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 19:33:42,394 INFO L87 Difference]: Start difference. First operand has 228 states, 151 states have (on average 1.5430463576158941) internal successors, (233), 152 states have internal predecessors, (233), 74 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) Second operand has 2 states, 2 states have (on average 51.5) internal successors, (103), 2 states have internal predecessors, (103), 2 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (74), 1 states have call predecessors, (74), 2 states have call successors, (74) [2024-11-18 19:33:42,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:33:42,451 INFO L93 Difference]: Finished difference Result 449 states and 830 transitions. [2024-11-18 19:33:42,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 19:33:42,454 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 51.5) internal successors, (103), 2 states have internal predecessors, (103), 2 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (74), 1 states have call predecessors, (74), 2 states have call successors, (74) Word has length 468 [2024-11-18 19:33:42,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:33:42,464 INFO L225 Difference]: With dead ends: 449 [2024-11-18 19:33:42,464 INFO L226 Difference]: Without dead ends: 224 [2024-11-18 19:33:42,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 469 GetRequests, 469 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 19:33:42,475 INFO L432 NwaCegarLoop]: 373 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 19:33:42,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 19:33:42,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-11-18 19:33:42,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2024-11-18 19:33:42,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 148 states have (on average 1.5202702702702702) internal successors, (225), 148 states have internal predecessors, (225), 74 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-18 19:33:42,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 373 transitions. [2024-11-18 19:33:42,541 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 373 transitions. Word has length 468 [2024-11-18 19:33:42,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:33:42,543 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 373 transitions. [2024-11-18 19:33:42,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 51.5) internal successors, (103), 2 states have internal predecessors, (103), 2 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (74), 1 states have call predecessors, (74), 2 states have call successors, (74) [2024-11-18 19:33:42,543 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 373 transitions. [2024-11-18 19:33:42,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2024-11-18 19:33:42,554 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:33:42,555 INFO L215 NwaCegarLoop]: trace histogram [74, 74, 74, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:33:42,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-18 19:33:42,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-18 19:33:42,756 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:33:42,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:33:42,757 INFO L85 PathProgramCache]: Analyzing trace with hash 2015408635, now seen corresponding path program 1 times [2024-11-18 19:33:42,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:33:42,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031788183] [2024-11-18 19:33:42,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:33:42,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:33:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:33:43,182 INFO L134 CoverageAnalysis]: Checked inductivity of 10804 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10804 trivial. 0 not checked. [2024-11-18 19:33:43,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:33:43,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031788183] [2024-11-18 19:33:43,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031788183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:33:43,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:33:43,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 19:33:43,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107292463] [2024-11-18 19:33:43,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:33:43,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 19:33:43,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:33:43,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 19:33:43,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 19:33:43,187 INFO L87 Difference]: Start difference. First operand 224 states and 373 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 1 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 1 states have call predecessors, (74), 1 states have call successors, (74) [2024-11-18 19:33:43,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:33:43,296 INFO L93 Difference]: Finished difference Result 639 states and 1066 transitions. [2024-11-18 19:33:43,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 19:33:43,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 1 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 1 states have call predecessors, (74), 1 states have call successors, (74) Word has length 468 [2024-11-18 19:33:43,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:33:43,302 INFO L225 Difference]: With dead ends: 639 [2024-11-18 19:33:43,302 INFO L226 Difference]: Without dead ends: 418 [2024-11-18 19:33:43,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 19:33:43,304 INFO L432 NwaCegarLoop]: 357 mSDtfsCounter, 325 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 19:33:43,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 691 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 19:33:43,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-18 19:33:43,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 227. [2024-11-18 19:33:43,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 151 states have (on average 1.5231788079470199) internal successors, (230), 151 states have internal predecessors, (230), 74 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-18 19:33:43,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 378 transitions. [2024-11-18 19:33:43,329 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 378 transitions. Word has length 468 [2024-11-18 19:33:43,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:33:43,331 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 378 transitions. [2024-11-18 19:33:43,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 1 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 1 states have call predecessors, (74), 1 states have call successors, (74) [2024-11-18 19:33:43,331 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 378 transitions. [2024-11-18 19:33:43,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2024-11-18 19:33:43,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:33:43,336 INFO L215 NwaCegarLoop]: trace histogram [74, 74, 74, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:33:43,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 19:33:43,336 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:33:43,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:33:43,337 INFO L85 PathProgramCache]: Analyzing trace with hash -2079835065, now seen corresponding path program 1 times [2024-11-18 19:33:43,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:33:43,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163227089] [2024-11-18 19:33:43,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:33:43,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:33:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:33:43,557 INFO L134 CoverageAnalysis]: Checked inductivity of 10804 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10804 trivial. 0 not checked. [2024-11-18 19:33:43,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:33:43,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163227089] [2024-11-18 19:33:43,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163227089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:33:43,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:33:43,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 19:33:43,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286765176] [2024-11-18 19:33:43,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:33:43,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 19:33:43,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:33:43,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 19:33:43,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 19:33:43,560 INFO L87 Difference]: Start difference. First operand 227 states and 378 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 1 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 1 states have call predecessors, (74), 1 states have call successors, (74) [2024-11-18 19:33:43,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:33:43,633 INFO L93 Difference]: Finished difference Result 673 states and 1124 transitions. [2024-11-18 19:33:43,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 19:33:43,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 1 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 1 states have call predecessors, (74), 1 states have call successors, (74) Word has length 468 [2024-11-18 19:33:43,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:33:43,641 INFO L225 Difference]: With dead ends: 673 [2024-11-18 19:33:43,642 INFO L226 Difference]: Without dead ends: 449 [2024-11-18 19:33:43,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 19:33:43,645 INFO L432 NwaCegarLoop]: 634 mSDtfsCounter, 357 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 19:33:43,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 993 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 19:33:43,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-11-18 19:33:43,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 447. [2024-11-18 19:33:43,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 296 states have (on average 1.510135135135135) internal successors, (447), 296 states have internal predecessors, (447), 148 states have call successors, (148), 2 states have call predecessors, (148), 2 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-18 19:33:43,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 743 transitions. [2024-11-18 19:33:43,692 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 743 transitions. Word has length 468 [2024-11-18 19:33:43,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:33:43,694 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 743 transitions. [2024-11-18 19:33:43,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 1 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 1 states have call predecessors, (74), 1 states have call successors, (74) [2024-11-18 19:33:43,695 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 743 transitions. [2024-11-18 19:33:43,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2024-11-18 19:33:43,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:33:43,701 INFO L215 NwaCegarLoop]: trace histogram [74, 74, 74, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:33:43,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 19:33:43,701 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:33:43,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:33:43,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1286315851, now seen corresponding path program 1 times [2024-11-18 19:33:43,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:33:43,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264410115] [2024-11-18 19:33:43,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:33:43,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:33:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:33:44,039 INFO L134 CoverageAnalysis]: Checked inductivity of 10804 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10804 trivial. 0 not checked. [2024-11-18 19:33:44,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:33:44,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264410115] [2024-11-18 19:33:44,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264410115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:33:44,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:33:44,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 19:33:44,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564347627] [2024-11-18 19:33:44,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:33:44,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 19:33:44,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:33:44,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 19:33:44,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 19:33:44,043 INFO L87 Difference]: Start difference. First operand 447 states and 743 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2024-11-18 19:33:44,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:33:44,102 INFO L93 Difference]: Finished difference Result 891 states and 1483 transitions. [2024-11-18 19:33:44,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 19:33:44,103 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) Word has length 468 [2024-11-18 19:33:44,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:33:44,106 INFO L225 Difference]: With dead ends: 891 [2024-11-18 19:33:44,106 INFO L226 Difference]: Without dead ends: 447 [2024-11-18 19:33:44,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-18 19:33:44,108 INFO L432 NwaCegarLoop]: 357 mSDtfsCounter, 323 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 19:33:44,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 710 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 19:33:44,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-11-18 19:33:44,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 447. [2024-11-18 19:33:44,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 296 states have (on average 1.5033783783783783) internal successors, (445), 296 states have internal predecessors, (445), 148 states have call successors, (148), 2 states have call predecessors, (148), 2 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-18 19:33:44,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 741 transitions. [2024-11-18 19:33:44,146 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 741 transitions. Word has length 468 [2024-11-18 19:33:44,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:33:44,147 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 741 transitions. [2024-11-18 19:33:44,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2024-11-18 19:33:44,147 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 741 transitions. [2024-11-18 19:33:44,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2024-11-18 19:33:44,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:33:44,156 INFO L215 NwaCegarLoop]: trace histogram [74, 74, 74, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:33:44,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 19:33:44,156 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:33:44,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:33:44,157 INFO L85 PathProgramCache]: Analyzing trace with hash -519122483, now seen corresponding path program 1 times [2024-11-18 19:33:44,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:33:44,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846847265] [2024-11-18 19:33:44,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:33:44,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:33:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:33:44,382 INFO L134 CoverageAnalysis]: Checked inductivity of 10804 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10804 trivial. 0 not checked. [2024-11-18 19:33:44,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:33:44,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846847265] [2024-11-18 19:33:44,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846847265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:33:44,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:33:44,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 19:33:44,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983008117] [2024-11-18 19:33:44,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:33:44,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 19:33:44,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:33:44,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 19:33:44,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 19:33:44,385 INFO L87 Difference]: Start difference. First operand 447 states and 741 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 1 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 1 states have call predecessors, (74), 1 states have call successors, (74) [2024-11-18 19:33:44,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:33:44,429 INFO L93 Difference]: Finished difference Result 1167 states and 1937 transitions. [2024-11-18 19:33:44,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 19:33:44,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 1 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 1 states have call predecessors, (74), 1 states have call successors, (74) Word has length 468 [2024-11-18 19:33:44,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:33:44,435 INFO L225 Difference]: With dead ends: 1167 [2024-11-18 19:33:44,435 INFO L226 Difference]: Without dead ends: 723 [2024-11-18 19:33:44,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 19:33:44,437 INFO L432 NwaCegarLoop]: 370 mSDtfsCounter, 200 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 19:33:44,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 731 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 19:33:44,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2024-11-18 19:33:44,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 719. [2024-11-18 19:33:44,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 719 states, 514 states have (on average 1.5447470817120623) internal successors, (794), 516 states have internal predecessors, (794), 200 states have call successors, (200), 4 states have call predecessors, (200), 4 states have return successors, (200), 198 states have call predecessors, (200), 200 states have call successors, (200) [2024-11-18 19:33:44,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 1194 transitions. [2024-11-18 19:33:44,540 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 1194 transitions. Word has length 468 [2024-11-18 19:33:44,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:33:44,543 INFO L471 AbstractCegarLoop]: Abstraction has 719 states and 1194 transitions. [2024-11-18 19:33:44,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 1 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 1 states have call predecessors, (74), 1 states have call successors, (74) [2024-11-18 19:33:44,543 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1194 transitions. [2024-11-18 19:33:44,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2024-11-18 19:33:44,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:33:44,550 INFO L215 NwaCegarLoop]: trace histogram [74, 74, 74, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:33:44,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 19:33:44,550 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:33:44,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:33:44,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1336770933, now seen corresponding path program 1 times [2024-11-18 19:33:44,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:33:44,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247184650] [2024-11-18 19:33:44,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:33:44,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:33:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:33:45,576 INFO L134 CoverageAnalysis]: Checked inductivity of 10804 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10804 trivial. 0 not checked. [2024-11-18 19:33:45,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:33:45,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247184650] [2024-11-18 19:33:45,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247184650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:33:45,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:33:45,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 19:33:45,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633162049] [2024-11-18 19:33:45,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:33:45,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 19:33:45,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:33:45,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 19:33:45,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 19:33:45,583 INFO L87 Difference]: Start difference. First operand 719 states and 1194 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2024-11-18 19:33:46,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:33:46,579 INFO L93 Difference]: Finished difference Result 2023 states and 3364 transitions. [2024-11-18 19:33:46,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 19:33:46,579 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) Word has length 468 [2024-11-18 19:33:46,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:33:46,587 INFO L225 Difference]: With dead ends: 2023 [2024-11-18 19:33:46,587 INFO L226 Difference]: Without dead ends: 1307 [2024-11-18 19:33:46,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-18 19:33:46,590 INFO L432 NwaCegarLoop]: 476 mSDtfsCounter, 564 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-18 19:33:46,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 899 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-18 19:33:46,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1307 states. [2024-11-18 19:33:46,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1307 to 1295. [2024-11-18 19:33:46,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1295 states, 964 states have (on average 1.562240663900415) internal successors, (1506), 970 states have internal predecessors, (1506), 322 states have call successors, (322), 8 states have call predecessors, (322), 8 states have return successors, (322), 316 states have call predecessors, (322), 322 states have call successors, (322) [2024-11-18 19:33:46,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 2150 transitions. [2024-11-18 19:33:46,700 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 2150 transitions. Word has length 468 [2024-11-18 19:33:46,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:33:46,700 INFO L471 AbstractCegarLoop]: Abstraction has 1295 states and 2150 transitions. [2024-11-18 19:33:46,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2024-11-18 19:33:46,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 2150 transitions. [2024-11-18 19:33:46,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2024-11-18 19:33:46,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:33:46,707 INFO L215 NwaCegarLoop]: trace histogram [74, 74, 74, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:33:46,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-18 19:33:46,708 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:33:46,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:33:46,708 INFO L85 PathProgramCache]: Analyzing trace with hash 929610253, now seen corresponding path program 1 times [2024-11-18 19:33:46,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:33:46,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210288224] [2024-11-18 19:33:46,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:33:46,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:33:46,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:33:46,995 INFO L134 CoverageAnalysis]: Checked inductivity of 10804 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10804 trivial. 0 not checked. [2024-11-18 19:33:46,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:33:46,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210288224] [2024-11-18 19:33:46,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210288224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:33:46,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:33:46,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 19:33:46,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048711418] [2024-11-18 19:33:46,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:33:46,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 19:33:46,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:33:46,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 19:33:46,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 19:33:46,997 INFO L87 Difference]: Start difference. First operand 1295 states and 2150 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 1 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 1 states have call predecessors, (74), 1 states have call successors, (74) [2024-11-18 19:33:47,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:33:47,182 INFO L93 Difference]: Finished difference Result 3315 states and 5508 transitions. [2024-11-18 19:33:47,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 19:33:47,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 1 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 1 states have call predecessors, (74), 1 states have call successors, (74) Word has length 468 [2024-11-18 19:33:47,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:33:47,194 INFO L225 Difference]: With dead ends: 3315 [2024-11-18 19:33:47,194 INFO L226 Difference]: Without dead ends: 2023 [2024-11-18 19:33:47,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-18 19:33:47,199 INFO L432 NwaCegarLoop]: 508 mSDtfsCounter, 234 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 1346 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 19:33:47,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 1346 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 19:33:47,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2023 states. [2024-11-18 19:33:47,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2023 to 2013. [2024-11-18 19:33:47,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2013 states, 1478 states have (on average 1.5534506089309879) internal successors, (2296), 1486 states have internal predecessors, (2296), 522 states have call successors, (522), 12 states have call predecessors, (522), 12 states have return successors, (522), 514 states have call predecessors, (522), 522 states have call successors, (522) [2024-11-18 19:33:47,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2013 states to 2013 states and 3340 transitions. [2024-11-18 19:33:47,491 INFO L78 Accepts]: Start accepts. Automaton has 2013 states and 3340 transitions. Word has length 468 [2024-11-18 19:33:47,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:33:47,492 INFO L471 AbstractCegarLoop]: Abstraction has 2013 states and 3340 transitions. [2024-11-18 19:33:47,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 1 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 1 states have call predecessors, (74), 1 states have call successors, (74) [2024-11-18 19:33:47,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2013 states and 3340 transitions. [2024-11-18 19:33:47,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2024-11-18 19:33:47,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:33:47,499 INFO L215 NwaCegarLoop]: trace histogram [74, 74, 74, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:33:47,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-18 19:33:47,500 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:33:47,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:33:47,500 INFO L85 PathProgramCache]: Analyzing trace with hash -422839039, now seen corresponding path program 1 times [2024-11-18 19:33:47,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:33:47,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913791451] [2024-11-18 19:33:47,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:33:47,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:33:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:33:48,083 INFO L134 CoverageAnalysis]: Checked inductivity of 10804 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10804 trivial. 0 not checked. [2024-11-18 19:33:48,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:33:48,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913791451] [2024-11-18 19:33:48,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913791451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:33:48,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:33:48,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 19:33:48,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339183051] [2024-11-18 19:33:48,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:33:48,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 19:33:48,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:33:48,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 19:33:48,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 19:33:48,087 INFO L87 Difference]: Start difference. First operand 2013 states and 3340 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2024-11-18 19:33:48,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:33:48,615 INFO L93 Difference]: Finished difference Result 4041 states and 6710 transitions. [2024-11-18 19:33:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 19:33:48,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) Word has length 469 [2024-11-18 19:33:48,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:33:48,630 INFO L225 Difference]: With dead ends: 4041 [2024-11-18 19:33:48,630 INFO L226 Difference]: Without dead ends: 2749 [2024-11-18 19:33:48,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-18 19:33:48,636 INFO L432 NwaCegarLoop]: 581 mSDtfsCounter, 600 mSDsluCounter, 886 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 1467 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-18 19:33:48,638 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 1467 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-18 19:33:48,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2749 states. [2024-11-18 19:33:48,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2749 to 2739. [2024-11-18 19:33:48,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2739 states, 2000 states have (on average 1.551) internal successors, (3102), 2010 states have internal predecessors, (3102), 722 states have call successors, (722), 16 states have call predecessors, (722), 16 states have return successors, (722), 712 states have call predecessors, (722), 722 states have call successors, (722) [2024-11-18 19:33:48,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2739 states and 4546 transitions. [2024-11-18 19:33:48,860 INFO L78 Accepts]: Start accepts. Automaton has 2739 states and 4546 transitions. Word has length 469 [2024-11-18 19:33:48,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:33:48,861 INFO L471 AbstractCegarLoop]: Abstraction has 2739 states and 4546 transitions. [2024-11-18 19:33:48,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2024-11-18 19:33:48,862 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 4546 transitions. [2024-11-18 19:33:48,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2024-11-18 19:33:48,868 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:33:48,868 INFO L215 NwaCegarLoop]: trace histogram [74, 74, 74, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:33:48,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-18 19:33:48,868 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:33:48,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:33:48,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1115500991, now seen corresponding path program 1 times [2024-11-18 19:33:48,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:33:48,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10224288] [2024-11-18 19:33:48,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:33:48,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:33:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:33:49,212 INFO L134 CoverageAnalysis]: Checked inductivity of 10804 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10804 trivial. 0 not checked. [2024-11-18 19:33:49,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:33:49,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10224288] [2024-11-18 19:33:49,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10224288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:33:49,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:33:49,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 19:33:49,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885454381] [2024-11-18 19:33:49,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:33:49,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 19:33:49,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:33:49,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 19:33:49,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 19:33:49,215 INFO L87 Difference]: Start difference. First operand 2739 states and 4546 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 1 states have call predecessors, (74), 1 states have call successors, (74) [2024-11-18 19:33:49,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:33:49,986 INFO L93 Difference]: Finished difference Result 5777 states and 9566 transitions. [2024-11-18 19:33:49,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 19:33:49,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 1 states have call predecessors, (74), 1 states have call successors, (74) Word has length 469 [2024-11-18 19:33:49,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:33:50,003 INFO L225 Difference]: With dead ends: 5777 [2024-11-18 19:33:50,004 INFO L226 Difference]: Without dead ends: 3041 [2024-11-18 19:33:50,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-18 19:33:50,013 INFO L432 NwaCegarLoop]: 648 mSDtfsCounter, 591 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 1254 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-18 19:33:50,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [591 Valid, 1254 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-18 19:33:50,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3041 states. [2024-11-18 19:33:50,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3041 to 3017. [2024-11-18 19:33:50,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3017 states, 2126 states have (on average 1.524459078080903) internal successors, (3241), 2138 states have internal predecessors, (3241), 870 states have call successors, (870), 20 states have call predecessors, (870), 20 states have return successors, (870), 858 states have call predecessors, (870), 870 states have call successors, (870) [2024-11-18 19:33:50,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 4981 transitions. [2024-11-18 19:33:50,284 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 4981 transitions. Word has length 469 [2024-11-18 19:33:50,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:33:50,285 INFO L471 AbstractCegarLoop]: Abstraction has 3017 states and 4981 transitions. [2024-11-18 19:33:50,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 1 states have call predecessors, (74), 1 states have call successors, (74) [2024-11-18 19:33:50,285 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 4981 transitions. [2024-11-18 19:33:50,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2024-11-18 19:33:50,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:33:50,289 INFO L215 NwaCegarLoop]: trace histogram [74, 74, 74, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:33:50,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-18 19:33:50,289 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:33:50,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:33:50,290 INFO L85 PathProgramCache]: Analyzing trace with hash -933886851, now seen corresponding path program 1 times [2024-11-18 19:33:50,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:33:50,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081572075] [2024-11-18 19:33:50,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:33:50,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:33:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat