./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-66.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b1ff31db509e6effa7c7aab233d1c51ba648bc5079bf259c615627714f8cf03 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 12:30:06,063 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 12:30:06,141 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 12:30:06,146 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 12:30:06,147 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 12:30:06,166 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 12:30:06,167 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 12:30:06,167 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 12:30:06,168 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 12:30:06,168 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 12:30:06,168 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 12:30:06,168 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 12:30:06,169 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 12:30:06,169 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 12:30:06,169 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 12:30:06,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 12:30:06,170 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 12:30:06,170 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 12:30:06,170 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 12:30:06,170 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 12:30:06,170 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 12:30:06,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 12:30:06,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 12:30:06,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 12:30:06,173 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 12:30:06,173 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 12:30:06,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 12:30:06,174 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 12:30:06,174 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 12:30:06,174 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 12:30:06,175 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 12:30:06,175 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 12:30:06,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 12:30:06,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 12:30:06,176 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 12:30:06,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 12:30:06,176 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 12:30:06,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 12:30:06,176 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 12:30:06,177 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 12:30:06,177 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 12:30:06,177 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 12:30:06,177 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b1ff31db509e6effa7c7aab233d1c51ba648bc5079bf259c615627714f8cf03 [2024-11-16 12:30:06,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 12:30:06,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 12:30:06,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 12:30:06,388 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 12:30:06,389 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 12:30:06,389 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-66.i [2024-11-16 12:30:07,553 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 12:30:07,711 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 12:30:07,712 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-66.i [2024-11-16 12:30:07,727 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cb2e63cf/7fce93272c9c4803a7ee5eef3faa8e96/FLAGa3db4b6a5 [2024-11-16 12:30:07,743 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cb2e63cf/7fce93272c9c4803a7ee5eef3faa8e96 [2024-11-16 12:30:07,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 12:30:07,747 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 12:30:07,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 12:30:07,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 12:30:07,753 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 12:30:07,754 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:30:07" (1/1) ... [2024-11-16 12:30:07,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e22e933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:07, skipping insertion in model container [2024-11-16 12:30:07,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:30:07" (1/1) ... [2024-11-16 12:30:07,780 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 12:30:07,925 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_codestructure_steplocals_file-66.i[917,930] [2024-11-16 12:30:07,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 12:30:07,980 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 12:30:07,988 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_codestructure_steplocals_file-66.i[917,930] [2024-11-16 12:30:08,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 12:30:08,019 INFO L204 MainTranslator]: Completed translation [2024-11-16 12:30:08,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:08 WrapperNode [2024-11-16 12:30:08,020 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 12:30:08,020 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 12:30:08,020 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 12:30:08,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 12:30:08,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:08" (1/1) ... [2024-11-16 12:30:08,032 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:08" (1/1) ... [2024-11-16 12:30:08,055 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 153 [2024-11-16 12:30:08,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 12:30:08,056 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 12:30:08,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 12:30:08,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 12:30:08,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:08" (1/1) ... [2024-11-16 12:30:08,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:08" (1/1) ... [2024-11-16 12:30:08,074 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:08" (1/1) ... [2024-11-16 12:30:08,094 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 12:30:08,095 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:08" (1/1) ... [2024-11-16 12:30:08,095 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:08" (1/1) ... [2024-11-16 12:30:08,104 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:08" (1/1) ... [2024-11-16 12:30:08,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:08" (1/1) ... [2024-11-16 12:30:08,107 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:08" (1/1) ... [2024-11-16 12:30:08,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:08" (1/1) ... [2024-11-16 12:30:08,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 12:30:08,115 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 12:30:08,115 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 12:30:08,115 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 12:30:08,116 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:08" (1/1) ... [2024-11-16 12:30:08,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 12:30:08,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 12:30:08,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 12:30:08,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 12:30:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 12:30:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 12:30:08,187 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 12:30:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 12:30:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 12:30:08,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 12:30:08,260 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 12:30:08,262 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 12:30:08,559 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-16 12:30:08,560 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 12:30:08,574 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 12:30:08,574 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 12:30:08,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 12:30:08 BoogieIcfgContainer [2024-11-16 12:30:08,575 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 12:30:08,578 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 12:30:08,578 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 12:30:08,580 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 12:30:08,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:30:07" (1/3) ... [2024-11-16 12:30:08,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35eb1bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:30:08, skipping insertion in model container [2024-11-16 12:30:08,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:08" (2/3) ... [2024-11-16 12:30:08,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35eb1bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:30:08, skipping insertion in model container [2024-11-16 12:30:08,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 12:30:08" (3/3) ... [2024-11-16 12:30:08,584 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-66.i [2024-11-16 12:30:08,596 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 12:30:08,597 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 12:30:08,658 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 12:30:08,664 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;@29cdec62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 12:30:08,664 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 12:30:08,668 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 48 states have (on average 1.3541666666666667) internal successors, (65), 49 states have internal predecessors, (65), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-16 12:30:08,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-16 12:30:08,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:30:08,683 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:30:08,684 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:30:08,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:30:08,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1339814611, now seen corresponding path program 1 times [2024-11-16 12:30:08,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:30:08,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236778627] [2024-11-16 12:30:08,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:30:08,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:30:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:08,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:30:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:08,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:30:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:08,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:30:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:08,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:30:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:08,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:30:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:08,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:30:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:08,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:30:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:08,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:30:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:08,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:30:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:08,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:30:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:08,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:30:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:08,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:30:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:09,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:30:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:09,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:30:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:09,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:30:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:09,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:30:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:09,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:30:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:09,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:30:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:09,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:30:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:09,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:30:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:09,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:30:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:09,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:30:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:09,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:30:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:09,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:30:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:09,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:30:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:09,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:30:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:09,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 12:30:09,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:30:09,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236778627] [2024-11-16 12:30:09,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236778627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:30:09,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:30:09,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 12:30:09,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078188919] [2024-11-16 12:30:09,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:30:09,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 12:30:09,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:30:09,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 12:30:09,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 12:30:09,090 INFO L87 Difference]: Start difference. First operand has 77 states, 48 states have (on average 1.3541666666666667) internal successors, (65), 49 states have internal predecessors, (65), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-16 12:30:09,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:30:09,110 INFO L93 Difference]: Finished difference Result 146 states and 253 transitions. [2024-11-16 12:30:09,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 12:30:09,112 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 166 [2024-11-16 12:30:09,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:30:09,117 INFO L225 Difference]: With dead ends: 146 [2024-11-16 12:30:09,117 INFO L226 Difference]: Without dead ends: 72 [2024-11-16 12:30:09,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 12:30:09,122 INFO L432 NwaCegarLoop]: 109 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, 109 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 [2024-11-16 12:30:09,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 12:30:09,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-16 12:30:09,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-16 12:30:09,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 44 states have internal predecessors, (57), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-16 12:30:09,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 109 transitions. [2024-11-16 12:30:09,204 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 109 transitions. Word has length 166 [2024-11-16 12:30:09,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:30:09,207 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 109 transitions. [2024-11-16 12:30:09,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-16 12:30:09,208 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 109 transitions. [2024-11-16 12:30:09,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-16 12:30:09,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:30:09,214 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:30:09,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 12:30:09,214 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:30:09,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:30:09,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1731341773, now seen corresponding path program 1 times [2024-11-16 12:30:09,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:30:09,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346315838] [2024-11-16 12:30:09,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:30:09,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:30:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:12,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:30:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:12,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:30:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:12,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:30:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:12,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:30:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:12,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:30:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:12,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:30:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:12,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:30:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:12,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:30:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:12,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:30:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:12,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:30:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:12,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:30:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:12,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:30:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:12,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:30:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:12,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:30:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:12,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:30:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:12,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:30:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:12,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:30:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:12,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:30:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:12,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:30:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:12,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:30:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:12,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:30:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:12,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:30:12,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:12,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:30:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:12,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:30:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:12,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:30:12,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:12,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:30:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:12,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 12:30:12,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:30:12,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346315838] [2024-11-16 12:30:12,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346315838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:30:12,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:30:12,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-16 12:30:12,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600550506] [2024-11-16 12:30:12,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:30:12,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 12:30:12,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:30:12,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 12:30:12,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-16 12:30:12,292 INFO L87 Difference]: Start difference. First operand 72 states and 109 transitions. Second operand has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 12:30:12,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:30:12,977 INFO L93 Difference]: Finished difference Result 273 states and 387 transitions. [2024-11-16 12:30:12,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 12:30:12,978 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 166 [2024-11-16 12:30:12,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:30:12,980 INFO L225 Difference]: With dead ends: 273 [2024-11-16 12:30:12,981 INFO L226 Difference]: Without dead ends: 204 [2024-11-16 12:30:12,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-11-16 12:30:12,984 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 289 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 12:30:12,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 486 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 12:30:12,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-16 12:30:12,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 87. [2024-11-16 12:30:12,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 59 states have (on average 1.3389830508474576) internal successors, (79), 59 states have internal predecessors, (79), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-16 12:30:12,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 131 transitions. [2024-11-16 12:30:12,999 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 131 transitions. Word has length 166 [2024-11-16 12:30:13,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:30:13,001 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 131 transitions. [2024-11-16 12:30:13,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 12:30:13,001 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 131 transitions. [2024-11-16 12:30:13,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-16 12:30:13,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:30:13,003 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:30:13,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 12:30:13,003 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:30:13,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:30:13,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1759970924, now seen corresponding path program 1 times [2024-11-16 12:30:13,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:30:13,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313958216] [2024-11-16 12:30:13,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:30:13,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:30:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:15,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:30:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:15,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:30:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:15,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:30:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:15,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:30:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:15,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:30:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:15,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:30:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:15,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:30:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:15,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:30:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:15,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:30:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:15,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:30:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:15,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:30:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:15,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:30:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:15,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:30:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:15,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:30:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:15,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:30:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:15,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:30:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:15,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:30:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:15,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:30:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:15,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:30:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:15,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:30:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:15,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:30:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:15,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:30:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:15,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:30:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:15,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:30:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:15,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:30:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:15,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:30:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:15,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 12:30:15,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:30:15,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313958216] [2024-11-16 12:30:15,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313958216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:30:15,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:30:15,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-16 12:30:15,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580618002] [2024-11-16 12:30:15,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:30:15,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-16 12:30:15,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:30:15,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-16 12:30:15,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-11-16 12:30:15,580 INFO L87 Difference]: Start difference. First operand 87 states and 131 transitions. Second operand has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-16 12:30:16,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:30:16,723 INFO L93 Difference]: Finished difference Result 204 states and 279 transitions. [2024-11-16 12:30:16,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 12:30:16,724 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 166 [2024-11-16 12:30:16,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:30:16,727 INFO L225 Difference]: With dead ends: 204 [2024-11-16 12:30:16,727 INFO L226 Difference]: Without dead ends: 201 [2024-11-16 12:30:16,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=240, Invalid=516, Unknown=0, NotChecked=0, Total=756 [2024-11-16 12:30:16,729 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 435 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 12:30:16,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 412 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 12:30:16,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-16 12:30:16,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 87. [2024-11-16 12:30:16,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 59 states have (on average 1.3389830508474576) internal successors, (79), 59 states have internal predecessors, (79), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-16 12:30:16,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 131 transitions. [2024-11-16 12:30:16,748 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 131 transitions. Word has length 166 [2024-11-16 12:30:16,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:30:16,750 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 131 transitions. [2024-11-16 12:30:16,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-16 12:30:16,750 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 131 transitions. [2024-11-16 12:30:16,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-16 12:30:16,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:30:16,755 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:30:16,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 12:30:16,755 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:30:16,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:30:16,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1676121842, now seen corresponding path program 1 times [2024-11-16 12:30:16,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:30:16,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191134775] [2024-11-16 12:30:16,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:30:16,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:30:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:35,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:30:35,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:35,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:30:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:35,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:30:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:35,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:30:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:35,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:30:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:35,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:30:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:35,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:30:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:35,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:30:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:35,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:30:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:35,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:30:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:35,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:30:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:35,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:30:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:35,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:30:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:35,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:30:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:35,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:30:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:35,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:30:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:35,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:30:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:35,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:30:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:35,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:30:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:35,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:30:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:35,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:30:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:35,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:30:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:35,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:30:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:35,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:30:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:35,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:30:35,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:35,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:30:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:35,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 12:30:35,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:30:35,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191134775] [2024-11-16 12:30:35,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191134775] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:30:35,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:30:35,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 12:30:35,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496968540] [2024-11-16 12:30:35,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:30:35,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 12:30:35,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:30:35,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 12:30:35,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2024-11-16 12:30:35,995 INFO L87 Difference]: Start difference. First operand 87 states and 131 transitions. Second operand has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 12:30:37,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:30:37,419 INFO L93 Difference]: Finished difference Result 187 states and 259 transitions. [2024-11-16 12:30:37,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 12:30:37,420 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 166 [2024-11-16 12:30:37,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:30:37,422 INFO L225 Difference]: With dead ends: 187 [2024-11-16 12:30:37,422 INFO L226 Difference]: Without dead ends: 184 [2024-11-16 12:30:37,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2024-11-16 12:30:37,423 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 182 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 12:30:37,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 539 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 12:30:37,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-16 12:30:37,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 96. [2024-11-16 12:30:37,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 68 states have internal predecessors, (93), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-16 12:30:37,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 145 transitions. [2024-11-16 12:30:37,439 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 145 transitions. Word has length 166 [2024-11-16 12:30:37,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:30:37,440 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 145 transitions. [2024-11-16 12:30:37,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 12:30:37,440 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 145 transitions. [2024-11-16 12:30:37,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-16 12:30:37,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:30:37,443 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:30:37,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 12:30:37,444 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:30:37,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:30:37,444 INFO L85 PathProgramCache]: Analyzing trace with hash -76112690, now seen corresponding path program 1 times [2024-11-16 12:30:37,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:30:37,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836582308] [2024-11-16 12:30:37,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:30:37,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:30:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:41,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:30:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:41,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:30:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:41,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:30:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:41,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:30:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:41,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:30:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:41,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:30:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:41,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:30:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:41,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:30:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:41,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:30:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:41,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:30:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:41,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:30:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:41,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:30:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:41,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:30:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:41,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:30:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:41,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:30:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:41,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:30:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:41,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:30:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:41,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:30:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:41,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:30:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:41,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:30:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:41,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:30:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:41,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:30:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:41,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:30:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:41,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:30:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:41,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:30:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:41,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:30:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:41,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 12:30:41,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:30:41,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836582308] [2024-11-16 12:30:41,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836582308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:30:41,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:30:41,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-16 12:30:41,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155535993] [2024-11-16 12:30:41,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:30:41,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-16 12:30:41,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:30:41,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-16 12:30:41,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-11-16 12:30:41,648 INFO L87 Difference]: Start difference. First operand 96 states and 145 transitions. Second operand has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 12:30:42,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:30:42,970 INFO L93 Difference]: Finished difference Result 217 states and 298 transitions. [2024-11-16 12:30:42,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 12:30:42,971 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 166 [2024-11-16 12:30:42,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:30:42,972 INFO L225 Difference]: With dead ends: 217 [2024-11-16 12:30:42,972 INFO L226 Difference]: Without dead ends: 214 [2024-11-16 12:30:42,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2024-11-16 12:30:42,973 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 240 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 12:30:42,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 648 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 12:30:42,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-16 12:30:42,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 99. [2024-11-16 12:30:42,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 71 states have (on average 1.380281690140845) internal successors, (98), 71 states have internal predecessors, (98), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-16 12:30:42,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 150 transitions. [2024-11-16 12:30:42,988 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 150 transitions. Word has length 166 [2024-11-16 12:30:42,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:30:42,989 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 150 transitions. [2024-11-16 12:30:42,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 12:30:42,989 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 150 transitions. [2024-11-16 12:30:42,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-16 12:30:42,990 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:30:42,991 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:30:42,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 12:30:42,992 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:30:42,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:30:42,992 INFO L85 PathProgramCache]: Analyzing trace with hash -47483539, now seen corresponding path program 1 times [2024-11-16 12:30:42,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:30:42,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344878749] [2024-11-16 12:30:42,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:30:42,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:30:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:57,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:30:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:57,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:30:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:57,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:30:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:57,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:30:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:57,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:30:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:57,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:30:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:57,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:30:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:57,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:30:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:57,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:30:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:57,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:30:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:57,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:30:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:57,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:30:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:57,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:30:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:57,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:30:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:57,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:30:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:57,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:30:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:57,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:30:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:57,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:30:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:57,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:30:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:57,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:30:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:57,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:30:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:57,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:30:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:57,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:30:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:57,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:30:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:57,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:30:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:57,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:30:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:57,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 12:30:57,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:30:57,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344878749] [2024-11-16 12:30:57,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344878749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:30:57,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:30:57,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-16 12:30:57,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22980082] [2024-11-16 12:30:57,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:30:57,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-16 12:30:57,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:30:57,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-16 12:30:57,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-11-16 12:30:57,833 INFO L87 Difference]: Start difference. First operand 99 states and 150 transitions. Second operand has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 12:30:59,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:30:59,275 INFO L93 Difference]: Finished difference Result 186 states and 261 transitions. [2024-11-16 12:30:59,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 12:30:59,276 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 166 [2024-11-16 12:30:59,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:30:59,277 INFO L225 Difference]: With dead ends: 186 [2024-11-16 12:30:59,277 INFO L226 Difference]: Without dead ends: 183 [2024-11-16 12:30:59,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2024-11-16 12:30:59,278 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 157 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 12:30:59,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 663 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 12:30:59,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-16 12:30:59,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 100. [2024-11-16 12:30:59,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 72 states have (on average 1.3888888888888888) internal successors, (100), 72 states have internal predecessors, (100), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-16 12:30:59,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 152 transitions. [2024-11-16 12:30:59,287 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 152 transitions. Word has length 166 [2024-11-16 12:30:59,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:30:59,287 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 152 transitions. [2024-11-16 12:30:59,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 12:30:59,288 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 152 transitions. [2024-11-16 12:30:59,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-16 12:30:59,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:30:59,289 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:30:59,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 12:30:59,289 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:30:59,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:30:59,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1860424492, now seen corresponding path program 1 times [2024-11-16 12:30:59,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:30:59,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185703063] [2024-11-16 12:30:59,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:30:59,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:30:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:30:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:30:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:30:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:30:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:30:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:30:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:30:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:30:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:30:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:30:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:30:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:30:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:30:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:30:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:30:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:30:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:30:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:30:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:30:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:30:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:30:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:30:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:30:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:30:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:30:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:30:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 12:30:59,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:30:59,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185703063] [2024-11-16 12:30:59,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185703063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:30:59,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:30:59,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 12:30:59,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633748702] [2024-11-16 12:30:59,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:30:59,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 12:30:59,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:30:59,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 12:30:59,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 12:30:59,552 INFO L87 Difference]: Start difference. First operand 100 states and 152 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-16 12:30:59,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:30:59,703 INFO L93 Difference]: Finished difference Result 233 states and 351 transitions. [2024-11-16 12:30:59,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 12:30:59,704 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 166 [2024-11-16 12:30:59,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:30:59,705 INFO L225 Difference]: With dead ends: 233 [2024-11-16 12:30:59,705 INFO L226 Difference]: Without dead ends: 136 [2024-11-16 12:30:59,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-16 12:30:59,707 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 142 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 12:30:59,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 160 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 12:30:59,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-16 12:30:59,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 132. [2024-11-16 12:30:59,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 95 states have (on average 1.3473684210526315) internal successors, (128), 96 states have internal predecessors, (128), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-16 12:30:59,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 196 transitions. [2024-11-16 12:30:59,724 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 196 transitions. Word has length 166 [2024-11-16 12:30:59,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:30:59,725 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 196 transitions. [2024-11-16 12:30:59,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-16 12:30:59,726 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 196 transitions. [2024-11-16 12:30:59,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-16 12:30:59,727 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:30:59,728 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:30:59,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 12:30:59,729 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:30:59,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:30:59,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1210315826, now seen corresponding path program 1 times [2024-11-16 12:30:59,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:30:59,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329629772] [2024-11-16 12:30:59,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:30:59,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:30:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:30:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:30:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:30:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:30:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:30:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:30:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:30:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:30:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:30:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:30:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:30:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:30:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:30:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:30:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:30:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:30:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:30:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:30:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:30:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:30:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:30:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:30:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:30:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:30:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:30:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:30:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:30:59,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 12:30:59,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:30:59,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329629772] [2024-11-16 12:30:59,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329629772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:30:59,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:30:59,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 12:30:59,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541092942] [2024-11-16 12:30:59,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:30:59,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 12:30:59,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:30:59,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 12:30:59,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 12:30:59,835 INFO L87 Difference]: Start difference. First operand 132 states and 196 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 12:30:59,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:30:59,980 INFO L93 Difference]: Finished difference Result 440 states and 647 transitions. [2024-11-16 12:30:59,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 12:30:59,981 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 166 [2024-11-16 12:30:59,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:30:59,984 INFO L225 Difference]: With dead ends: 440 [2024-11-16 12:30:59,985 INFO L226 Difference]: Without dead ends: 311 [2024-11-16 12:30:59,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 12:30:59,986 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 91 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 12:30:59,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 446 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 12:30:59,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-16 12:31:00,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 301. [2024-11-16 12:31:00,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 214 states have (on average 1.3177570093457944) internal successors, (282), 218 states have internal predecessors, (282), 80 states have call successors, (80), 6 states have call predecessors, (80), 6 states have return successors, (80), 76 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-16 12:31:00,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 442 transitions. [2024-11-16 12:31:00,022 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 442 transitions. Word has length 166 [2024-11-16 12:31:00,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:31:00,023 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 442 transitions. [2024-11-16 12:31:00,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 12:31:00,023 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 442 transitions. [2024-11-16 12:31:00,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-16 12:31:00,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:31:00,025 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:31:00,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 12:31:00,025 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:31:00,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:31:00,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1046973742, now seen corresponding path program 1 times [2024-11-16 12:31:00,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:31:00,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791103547] [2024-11-16 12:31:00,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:31:00,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:31:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-16 12:31:00,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1735741489] [2024-11-16 12:31:00,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:31:00,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 12:31:00,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 12:31:00,071 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) [2024-11-16 12:31:00,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 12:31:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:31:00,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-16 12:31:00,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 12:31:01,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 796 proven. 165 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2024-11-16 12:31:01,020 INFO L311 TraceCheckSpWp]: Computing backward predicates...